|
COMPANY NAME
|
CITY
|
STATE
|
TEST TYPE
|
|
Associated Pipeline Contract
|
Houston
|
TX
|
Urine
|
|
HMT Inc.
|
Tomball
|
TX
|
Urine
|
|
VAST inc.
|
Sanger
|
TX
|
Urine
|
|
Color Star Growers
|
Sanger
|
TX
|
Urine
|
|
South West Trailer and Hitch
|
LEWISVILLE
|
TX
|
Urine
|
|
United HealthCare
|
Plano
|
TX
|
Urine
|
|
The Mudlogging Company
|
Houston
|
TX
|
Urine
|
|
Don's & Ben's Liquor Barn
|
San Antonio
|
TX
|
Urine
|
|
all offshore drilling contra
|
houston
|
TX
|
Urine
|
|
greensheet
|
houston
|
TX
|
Urine
|
|
Starwood Resorts and Hotels
|
Austin
|
TX
|
Hair
|
|
Minyard Food Stores
|
Coppell
|
TX
|
Hair
|
|
Aerotek Contract Engineering
|
Dallas
|
TX
|
Urine
|
|
FSI
|
Dallas
|
TX
|
Urine
|
|
Harte-Hanks
|
Dallas
|
TX
|
Urine
|
|
Harte Hanks
|
Austin
|
TX
|
Urine
|
|
City of Plano
|
Plano
|
TX
|
Urine
|
|
Baker Hughes
|
Houston and Canada
|
TX
|
Urine
|
|
Tesoro Petroleum Corporation
|
San Antonio
|
TX
|
Urine
|
|
Schlumberger wireline
|
Laredo
|
TX
|
Urine
|
|
Baker Hughes wireline
|
Midland
|
TX
|
Hair
|
|
Baker Hughes wireline
|
Midland
|
TX
|
Urine
|
|
Thrubit logging
|
Midland
|
TX
|
Urine
|
|
Thrubit logging
|
Midland
|
TX
|
Hair
|
|
Sam's club
|
houston
|
TX
|
Urine
|
|
Teletech
|
Ennis
|
TX
|
Hair
|
|
Tex Health Resources
|
Denton
|
TX
|
Urine
|
|
Sogeti
|
Irving
|
TX
|
Urine
|
|
Dyonyx
|
Houston
|
TX
|
Urine
|
|
Houston Chronicle
|
Houston
|
TX
|
Urine
|
|
City of Killeen
|
Killen
|
TX
|
Urine
|
|
Central Texas Youth Services
|
Belton
|
TX
|
Urine
|
|
Flexi Compras
|
Killeen
|
TX
|
Urine
|
|
Luby's
|
Richardson
|
TX
|
Urine
|
|
Dollar General
|
Lubbock
|
TX
|
Urine
|
|
Express Personnel
|
garland
|
TX
|
Salvia
|
|
The Overton Hotel
|
Lubbockt
|
TX
|
Urine
|
|
SourceHOV
|
Irving
|
TX
|
Urine
|
|
Kindred
|
Grapevine
|
TX
|
Urine
|
|
HCR Manor
|
Bedford
|
TX
|
Urine
|
|
Joy Global
|
Longview
|
TX
|
Hair
|
|
Texas Children's Health Plan
|
Houston
|
TX
|
Urine
|
|
Humana at Home
|
Houston
|
TX
|
Urine
|
|
Epic Health Services
|
Houston
|
TX
|
Saliva
|
|
Kelsey-Seybold Clinic
|
Houston
|
TX
|
Urine
|
|
Home depot
|
McAllen
|
TX
|
Saliva
|
|
Kroger
|
The Woodlands
|
TX
|
Salvia
|
|
Texas Oncology
|
Webster
|
TX
|
Saliva
|
|
Applied Materials
|
Austin
|
TX
|
Urine
|
|
SWBC
|
San Antonio
|
TX
|
Urine
|
|
petco
|
houston
|
TX
|
Urine
|
|
Wood Memorial Nursing Home
|
Mineola
|
TX
|
Urine
|
|
Tom Thumb
|
McKinney
|
TX
|
Saliva
|
|
QVC
|
San antonio
|
TX
|
Saliva
|
|
chesapeake
|
houston
|
TX
|
Hair
|
|
Trico Products
|
Brownsville
|
TX
|
Urine
|
|
Enbridge
|
Houston
|
TX
|
Urine
|
|
Goodnight Midstream
|
All of Texas
|
TX
|
Urine
|
|
Fidelity
|
Westlake
|
TX
|
Urine
|
|
Best Buy
|
North Richland Hills
|
TX
|
Urine
|
|
Westlake Chemicals
|
Houston
|
TX
|
Urine
|
|
Town of Flower Mound
|
Flower Mound
|
TX
|
Urine
|
|
Chubb Group of Insurance
|
Dallas
|
TX
|
Urine
|
|
Rosa's Cafe
|
Abilene
|
TX
|
Urine
|
|
CTMI LLC
|
Dallas
|
TX
|
Urine
|
|
HMS
|
Irving
|
TX
|
Urine
|
|
Schlumberger
|
Houston
|
TX
|
Hair
|
|
Wellington insurance group
|
Fort worth
|
TX
|
Urine
|
|
Digital Motorworks
|
Austin
|
TX
|
Urine
|
|
perot systems
|
plano
|
TX
|
Hair
|
|
COMSYS
|
Houston
|
TX
|
Urine
|
|
seariver
|
houston
|
TX
|
Hair
|
|
Precision LensCrafters
|
San Antonio
|
TX
|
Urine
|
|
FMC Technologies
|
houston
|
TX
|
Urine
|
|
Specs Refrigeration
|
Lubbock
|
TX
|
Urine
|
|
Arctic Air
|
Lubbock
|
TX
|
Urine
|
|
Kim International
|
Dallas
|
TX
|
Urine
|
|
Lutheran Social Services
|
Corpus Christi
|
TX
|
Hair
|
|
U.S. Army
|
Ft. Hood
|
TX
|
Urine
|
|
service corporation internat
|
houston
|
TX
|
Urine
|
|
Office Dept
|
Sugar land
|
TX
|
Urine
|
|
ADESA Austin
|
Austin
|
TX
|
Hair
|
|
Saks Fifth Avenue
|
Dallas
|
TX
|
Urine/Blood
|
|
amarilo hardware co
|
amrilo
|
TX
|
Urine
|
|
Landry's Corporation
|
Houston
|
TX
|
Urine
|
|
Walmart
|
Bedford
|
TX
|
Urine
|
|
Shell Oil Company
|
Houston
|
TX
|
Urine
|
|
dallas southwest hospital
|
dallas
|
TX
|
Urine
|
|
Brookshire's
|
Granbury
|
TX
|
Hair
|
|
Chemical Lime Compant
|
FT. Worth(and everywhere)
|
TX
|
Urine
|
|
FFE Transportation
|
Dallas
|
TX
|
Urine
|
|
Trane
|
Waco
|
TX
|
Urine/Blood
|
|
yellowChecker
|
San Antonio
|
TX
|
Urine
|
|
americredit financial servic
|
fort worth
|
TX
|
Urine
|
|
Advancepcs
|
ft worth
|
TX
|
Urine
|
|
Sears
|
Arlington
|
TX
|
Urine
|
|
Legacy Bank
|
Plano
|
TX
|
Urine
|
|
Pizza hut
|
Schertz
|
TX
|
Urine
|
|
American General Corp
|
Houston
|
TX
|
Urine
|
|
American General Financial
|
Houston
|
TX
|
Urine
|
|
lear corp
|
arlington
|
TX
|
Hair
|
|
STRIPLING BLAKE/A BMC WEST C
|
NEW BRAUNFELS
|
TX
|
Urine/Blood
|
|
AT & T Broadband
|
Dallas, Plano
|
TX
|
Urine
|
|
Wyle Laboratories - Life Sci
|
Houston
|
TX
|
Urine
|
|
Central Market
|
Plano
|
TX
|
Urine
|
|
MBNA
|
Addison
|
TX
|
Urine
|
|
Zale Lipshy University Hospi
|
Dallas
|
TX
|
Urine
|
|
EXI Parson
|
Richardson
|
TX
|
Urine
|
|
Universal Computer Systems
|
College Station
|
TX
|
Urine
|
|
Central Texas Electric Coope
|
Fredericksburg (Branches in Llano, Kingsland, Maso
|
TX
|
Urine
|
|
Atmos Energy Corporation
|
Dallas
|
TX
|
Urine
|
|
Albertsons
|
El Paso
|
TX
|
Urine
|
|
Clear channel
|
San Antonio
|
TX
|
Urine
|
|
Spherion @ Apple
|
Austin
|
TX
|
Urine
|
|
memorial hermann northwest h
|
Houston
|
TX
|
Urine
|
|
albertsons
|
austin
|
TX
|
Urine
|
|
Echostar-Dish Network
|
El Paso
|
TX
|
Urine
|
|
Embassy Suites Dallas Market
|
Dallas
|
TX
|
Urine
|
|
Gulf Coast Medical Group
|
Houston
|
TX
|
Other Test/Indicate
|
|
Repcon, Inc.
|
Corpus Christi
|
TX
|
Urine
|
|
Jack In The Box
|
Austin
|
TX
|
Other Test/Indicate
|
|
Global Santa Fe
|
Houstoon
|
TX
|
Urine
|
|
Sams Club
|
Houston
|
TX
|
Hair
|
|
applied materials
|
austin
|
TX
|
Urine
|
|
SCCI Hospitals Inc
|
Dallas
|
TX
|
Urine
|
|
concentra
|
national company many locations
|
TX
|
Urine
|
|
cinemark
|
victoria
|
TX
|
Urine
|
|
Conn's
|
Houston
|
TX
|
Urine
|
|
Mrs. Bairds
|
Abilene
|
TX
|
Urine
|
|
The Great Indoors (Sears Co.
|
Dallas (Addison)
|
TX
|
Urine
|
|
Mohr Research & Engineering
|
Houston
|
TX
|
Urine
|
|
Stress Engineering Services
|
Houston
|
TX
|
Urine
|
|
Weatherford
|
Houston
|
TX
|
Urine
|
|
Tom Thumb
|
dallas
|
TX
|
Urine
|
|
adult probation
|
dallas
|
TX
|
Urine
|
|
Universal Computer Systems
|
College Station
|
TX
|
Urine
|
|
Marathon Oil Company
|
Houston
|
TX
|
Hair
|
|
TEPPCO
|
Houston
|
TX
|
Urine
|
|
Kvaerner Oilfield Products I
|
Houston
|
TX
|
Urine
|
|
Texas Motors Ford
|
Fort Worth
|
TX
|
Urine
|
|
Texas Motors Ford
|
Fort Worth
|
TX
|
Urine
|
|
Fort Worth Star-Telegram, Kn
|
Fort Worth
|
TX
|
Urine
|
|
American Airlines, AMR
|
Fort Worth
|
TX
|
Urine
|
|
Enron
|
Houston
|
TX
|
Urine
|
|
Halliburton Company
|
Dallas (world headquarters)
|
TX
|
Urine
|
|
Baylor University Medical Ce
|
Dallas
|
TX
|
Urine
|
|
Entech Sales and Service
|
Farmers Branch
|
TX
|
Urine
|
|
Captial Consultans Coporatio
|
Highland Village
|
TX
|
Urine
|
|
Rexel Summers
|
Houston
|
TX
|
Urine
|
|
Service Corporation Internat
|
Houston
|
TX
|
Urine
|
|
Chevron
|
Houston
|
TX
|
Urine
|
|
pilgrim's pride corporation
|
pitsburg
|
TX
|
Urine
|
|
pricewaterhousecoopers
|
houston
|
TX
|
Urine
|
|
BMC Software
|
Houston
|
TX
|
Urine
|
|
CompuCom
|
Nationwide Locations--All Major Cities
|
TX
|
Urine
|
|
Texas Department of Criminal
|
Huntsville
|
TX
|
Urine
|
|
Brown & Root
|
|
TX
|
Select Test Type
|
|
Excel
|
Dallas
|
TX
|
Urine
|
|
continental airlines
|
houston
|
TX
|
Urine
|
|
Claire's Plumbing
|
Midland
|
TX
|
Select Test Type
|
|
cooper industries
|
|
TX
|
Urine
|
|
EDS
|
Plano
|
TX
|
Hair
|
|
humanetics II, inc
|
carrollton
|
TX
|
Urine
|
|
raytheon
|
mckinney
|
TX
|
Urine
|
|
cromalloy dallas
|
dallas
|
TX
|
Urine
|
|
STB Systems
|
|
TX
|
Select Test Type
|
|
Dean Lumber Company
|
Gilmer
|
TX
|
Urine
|
|
Elcor/Chromium Corp.
|
Dallas
|
TX
|
Select Test Type
|
|
Ajilon
|
Dallas
|
TX
|
Urine
|
|
Lyondell Citgo Refining Comp
|
Houston
|
TX
|
Urine
|
|
Internet America
|
Dallas
|
TX
|
Urine
|
|
continental airlines
|
houston
|
TX
|
Urine
|
|
Ericsson
|
Richardson
|
TX
|
Urine
|
|
International Electric Co.
|
Houston
|
TX
|
Urine
|
|
MD Anderson Cancer Center
|
Houston
|
TX
|
Urine
|
|
United Rentals
|
LaPorte
|
TX
|
Urine
|
|
Five Star Ford
|
Tarrant County? Fort Worth
|
TX
|
Urine
|
|
Magnum Management
|
Dallas
|
TX
|
Urine
|
|
Grand Canyon Management
|
Dallas
|
TX
|
Urine
|
|
BancTec
|
World Wide - Based in Texas
|
TX
|
Hair
|
|
Bank One
|
Houston
|
TX
|
Urine
|
|
Noble Drilling INC.
|
SugarLand
|
TX
|
Urine
|
|
H. B. Zachry Construction Co
|
San Antonio
|
TX
|
Urine
|
|
Goodyear Tire & Rubber
|
Houston
|
TX
|
Urine
|
|
FIRST DATA CORPORATION
|
CORPUS CHRISTI
|
TX
|
Urine
|
|
SEARS ROEBUCK AND CO
|
CORPUS CHRISTI
|
TX
|
Urine
|
|
APAC Teleservices
|
CORPUS CHRISTI
|
TX
|
Urine
|
|
Exxon
|
Houston
|
TX
|
Urine
|
|
Consolidated stores (KBtoys,
|
san antonio
|
TX
|
Urine
|
|
BECHTEL CONSTRUCTION CO.
|
TEXAS CITY OR HOUSTON TEXAS
|
TX
|
Urine
|
|
Reliant Energy
|
Houston
|
TX
|
Urine
|
|
compaq
|
houston
|
TX
|
Urine
|
|
Park Place Dealership
|
Dallas, plano,
|
TX
|
Hair
|
|
Kitty Hawk Air Cargo
|
Arlington
|
TX
|
Urine
|
|
T J Lambert Construction
|
Euless
|
TX
|
Urine
|
|
brinker international
|
dallas
|
TX
|
Urine
|
|
AUTO WAX COMPANY INC.
|
DALLAS
|
TX
|
Urine
|
|
Best Buy
|
Sugarland
|
TX
|
Urine
|
|
Compusa Call Center
|
(D/FW)Grapevine
|
TX
|
Urine
|
|
Greyhound Bus Lines
|
Dallas
|
TX
|
Urine
|
|
The Freeman Companies
|
Dallas
|
TX
|
Urine
|
|
Philips 66
|
Borger
|
TX
|
Urine
|
|
narc & co.
|
narcsville
|
TX
|
Other Test/Indicate
|
|
Red Simpson Construction
|
Beaumont
|
TX
|
Urine
|
|
Glazer's Distributors of Tex
|
Dallas
|
TX
|
Urine
|
|
Rent A Center
|
natinwide
|
TX
|
Urine
|
|
Automation Tooling Systems
|
McAllen
|
TX
|
Urine
|
|
fed ex ground
|
irving/dallas
|
TX
|
Urine
|
|
pappas restaurants inc
|
houston
|
TX
|
Urine
|
|
Texas department of transpor
|
Fort worth
|
TX
|
Urine
|
|
T&S Transport
|
Alvin
|
TX
|
Urine
|
|
Del Lago
|
Montgomery
|
TX
|
Urine
|
|
lyondell chemical
|
houston
|
TX
|
Urine
|
|
H B ZACHRY
|
SAN ANTONIO
|
TX
|
Urine
|
|
Moore North America
|
Lewisville
|
TX
|
Urine
|
|
Allegiance Telecom
|
Dallas
|
TX
|
Urine
|
|
Pain Net
|
Dallas
|
TX
|
Urine
|
|
verizon
|
lewisville
|
TX
|
Urine
|
|
American Sports Products Gro
|
Austin
|
TX
|
Urine
|
|
Texas Instruments, Inc.
|
Dallas
|
TX
|
Urine
|
|
Enron
|
Houston
|
TX
|
Hair
|
|
Premcor Refining
|
Port Arthur
|
TX
|
Urine
|
|
cigarettes cheaper!!!1
|
Flower Mound
|
TX
|
Hair
|
|
Penske Truck Leasing
|
Dallas
|
TX
|
Urine/Blood
|
|
Aztec Communications
|
Dallas
|
TX
|
Urine
|
|
site concrete
|
grand prairie
|
TX
|
Urine
|
|
Verizon
|
Grapevine
|
TX
|
Urine
|
|
Shell Oil Company
|
Houston
|
TX
|
Urine
|
|
Culinaire International
|
All cities
|
TX
|
Hair
|
|
amc gulf pointe 30
|
houston
|
TX
|
Urine
|
|
MCI
|
austin
|
TX
|
Urine
|
|
CAMPBELL SOUP
|
PARIS
|
TX
|
Urine
|
|
The Mail Box
|
Dallas
|
TX
|
Urine
|
|
cudd pumping service
|
kilgore
|
TX
|
Urine
|
|
Six Flags Over Texas
|
Arlington
|
TX
|
Urine
|
|
mercedes benz
|
sindelfingen
|
TX
|
Urine
|
|
Creveling Motor Co
|
Corpus Christi
|
TX
|
Urine
|
|
The Scooter Store
|
New Braunfels
|
TX
|
Urine
|
|
EDS
|
Dallas
|
TX
|
Hair
|
|
D&D Farm and Ranch (Rush Ent
|
Denton
|
TX
|
Urine
|
|
broadband services incorpora
|
san antonio
|
TX
|
Urine
|
|
Texas Industries {TXI}
|
Dallas
|
TX
|
Urine
|
|
Imperial Fabricating
|
Decatur
|
TX
|
Urine
|
|
James Wood Motors
|
Decatur
|
TX
|
Urine
|
|
Expanets
|
houston
|
TX
|
Urine
|
|
Parkland Memorial Hospital
|
Dallas
|
TX
|
Urine
|
|
prestige gunite
|
buda
|
TX
|
Urine
|
|
outback steak house
|
san antonio
|
TX
|
Urine
|
|
SOUPER!SALAD!
|
SAN ANTONIO
|
TX
|
Hair
|
|
Duke Energy
|
Houston
|
TX
|
Urine
|
|
MCI WORLDCOM
|
Richardson
|
TX
|
Urine
|
|
Alcoa Texarkana
|
texarkana
|
TX
|
Urine
|
|
Optel
|
Dallas
|
TX
|
Urine
|
|
Mediclaim
|
Austin
|
TX
|
Urine
|
|
LSG Skychefs
|
Arlington/Dfw Airportq
|
TX
|
Urine
|
|
Solectron
|
Austin
|
TX
|
Urine
|
|
Labatt Food Service
|
San Antonio Tx
|
TX
|
Urine
|
|
UCS/RentSys
|
Bryan, Texas
|
TX
|
Urine
|
|
american airlines
|
dallas
|
TX
|
Urine
|
|
Enron
|
Houston
|
TX
|
Urine/Blood
|
|
Akzo-Nobel
|
Fort Worth
|
TX
|
Urine
|
|
Walgreens
|
Plano
|
TX
|
Urine
|
|
Reliant negy
|
Houston
|
TX
|
Urine
|
|
BMC
|
Houston
|
TX
|
Blood
|
|
Coca-Cola
|
Houston
|
TX
|
Urine
|
|
southwest airlines
|
dallas
|
TX
|
Urine
|
|
nabors drilling
|
Houston
|
TX
|
Urine
|
|
Peltier Chevrolet Oldsmobile
|
Lufkin
|
TX
|
Urine
|
|
Alcatel
|
Plano
|
TX
|
Urine
|
|
Great Lakes Carbon
|
Port Arthur
|
TX
|
Urine
|
|
Advanced Connections
|
Grand Prairie
|
TX
|
Urine
|
|
San Antonio Alamo
|
San Antonio
|
TX
|
Urine
|
|
SACK N SAVE
|
GARLAND
|
TX
|
Hair
|
|
G&K Uniform Services
|
Waco
|
TX
|
Urine
|
|
Sears
|
Tyler
|
TX
|
Urine
|
|
Welker Eng. Co.
|
Sugar Land
|
TX
|
Urine
|
|
U.S. Army
|
San Antonio
|
TX
|
Urine
|
|
Burlington Northern Santa Fe
|
Fort Worth
|
TX
|
Urine
|
|
maxim technologies
|
dallas
|
TX
|
Urine
|
|
texas crane services
|
san antonio
|
TX
|
Urine
|
|
L3 Communications
|
Arlington
|
TX
|
Other Test/Indicate
|
|
Nichols Ford
|
Ft. Worth
|
TX
|
Hair
|
|
Texan Ford
|
Arlington
|
TX
|
Hair
|
|
Nichols Ford
|
Arlington
|
TX
|
Hair
|
|
Methodist Hospital
|
San Antonio
|
TX
|
Urine
|
|
lexington services
|
irving
|
TX
|
Urine
|
|
valreo energy corp.
|
base is san antonio
|
TX
|
Hair
|
|
Crawford & Company
|
Dallas
|
TX
|
Urine
|
|
Southwestern Bell Telephone
|
Dallas-Ft. Worth
|
TX
|
Urine
|
|
Ameripath
|
Dallas
|
TX
|
Urine
|
|
G C services
|
Houston
|
TX
|
Urine
|
|
Solectron Texas
|
Austin
|
TX
|
Urine
|
|
goodyear chemical
|
houston
|
TX
|
Urine
|
|
Guadalupe Valley Telephone
|
New Braunfels
|
TX
|
Urine
|
|
Adam's Mark Hotel Dallas
|
Adam's Mark Hotels
|
TX
|
Urine
|
|
United States Army Reserves
|
Austin
|
TX
|
Urine
|
|
military
|
el paso
|
TX
|
Urine
|
|
super s
|
blanco
|
TX
|
Urine
|
|
Jack In The Box
|
San Antonio
|
TX
|
Urine
|
|
Gandy Nursery
|
Ben Wheeler
|
TX
|
Urine
|
|
Fairfield Residential
|
Grand Prairie
|
TX
|
Urine
|
|
Family Dollar
|
Mabank
|
TX
|
Urine
|
|
Presbyterian Hospital of Dal
|
Dallas
|
TX
|
Urine
|
|
Haverty's Furniture
|
DFW metroplex
|
TX
|
Urine
|
|
Uniden
|
Ft Worth
|
TX
|
Urine
|
|
american equipment & trailer
|
amarillo
|
TX
|
Urine
|
|
Famous Footwear
|
san antonio
|
TX
|
Urine
|
|
Albertsons Grocery Store
|
Plano
|
TX
|
Urine
|
|
WebLink Wireless
|
Dallas
|
TX
|
Urine
|
|
huntsman
|
houston
|
TX
|
Urine
|
|
Global Martine Drilling Comp
|
Houston
|
TX
|
Urine
|
|
Super Target, Target, Mervyn
|
San Antonio
|
TX
|
Urine
|
|
Bollingershipyards
|
Texas City
|
TX
|
Urine
|
|
Cingular Wireless
|
Houston
|
TX
|
Urine
|
|
Southwest Airlines
|
Dallas
|
TX
|
Urine
|
|
Brownsville Medical Center
|
Brownsville Texas
|
TX
|
Urine
|
|
oliver sales company (os-tec
|
dallas
|
TX
|
Urine
|
|
Toot n Totum
|
Amarillo
|
TX
|
Urine
|
|
WBAP 820
|
Arlington
|
TX
|
Urine
|
|
Sky Chefs
|
Dallas
|
TX
|
Urine
|
|
El Paso Energy
|
Houston
|
TX
|
Urine
|
|
Santa Fe Internation Corp.
|
Dallas
|
TX
|
Urine
|
|
Walgreens
|
Carrollton
|
TX
|
Urine
|
|
HCA (Hospital Corporation of
|
Denton
|
TX
|
Urine
|
|
Nabors Drilling Inc.
|
Kilgor
|
TX
|
Urine
|
|
W.T. Byler
|
Houson
|
TX
|
Urine
|
|
rettig family health care
|
groesbeck
|
TX
|
Urine
|
|
The Home Theater Store
|
Dallas,Houston,Austin
|
TX
|
Urine
|
|
Blockbuster Video
|
Dallas(nationwide)
|
TX
|
Urine
|
|
Elliot Electric
|
Dallas
|
TX
|
Urine
|
|
Express Personell
|
Mesquite
|
TX
|
Urine
|
|
O' Reilly's
|
Seagoville (nationwide)
|
TX
|
Urine
|
|
Circuit City
|
Dallas and nationwide
|
TX
|
Urine
|
|
Fort Dearborn Lithography al
|
Fort Worth
|
TX
|
Urine
|
|
xo
|
houston
|
TX
|
Urine
|
|
Frito Lay
|
Dallas
|
TX
|
Urine
|
|
Consolidated Electric
|
Dallas
|
TX
|
Urine
|
|
Texas City Fire
|
Texas City
|
TX
|
Urine
|
|
trinity industries
|
dallas
|
TX
|
Urine
|
|
Trinity industries
|
Vidor
|
TX
|
Urine
|
|
Navistar
|
Dallas
|
TX
|
Hair
|
|
Student Services Of America
|
Dallas
|
TX
|
Urine
|
|
Williamson County EMS
|
Georgetown
|
TX
|
Urine
|
|
Rormosa Plastics
|
Point Comfort
|
TX
|
Urine
|
|
Formosa Plastics
|
Point Comfort
|
TX
|
Urine
|
|
Stolt Offshore
|
Stavanger
|
TX
|
Urine
|
|
Owens Corning
|
Amarillo
|
TX
|
Urine
|
|
Service Zone
|
Port Arthur
|
TX
|
Urine
|
|
Suttles Logging
|
Midland
|
TX
|
Urine
|
|
Hastings Entertainment
|
Corporate Office In Amarillo
|
TX
|
Urine
|
|
USA HARNESS
|
Winnsboro
|
TX
|
Urine
|
|
Nortel Networks
|
Richardson
|
TX
|
Urine
|
|
Laboratory Construction Spec
|
Houston
|
TX
|
Urine
|
|
TRS Behavorial Care, Inc.
|
Houston
|
TX
|
Urine
|
|
The Right Step
|
Houston
|
TX
|
Urine
|
|
POWERSEAL PIPELINE PRODUCTS,
|
WICHITA FALLS
|
TX
|
Urine
|
|
cingular wireless
|
wichita falls
|
TX
|
Urine
|
|
stenadrilling
|
Aberdeen
|
TX
|
Urine/Blood
|
|
prostar
|
dallas
|
TX
|
Urine
|
|
The Mudlogging Company
|
houston
|
TX
|
Urine
|
|
Analysts International Corpo
|
Houston
|
TX
|
Urine/Blood
|
|
Key Energy
|
Levelland
|
TX
|
Urine
|
|
Scooter Store
|
nationwide
|
TX
|
Urine
|
|
Manhattan Construction Compa
|
Dallas
|
TX
|
Urine
|
|
international paper
|
dallas
|
TX
|
Urine
|
|
Schlumberger International
|
Paris
|
TX
|
Urine
|
|
Staff Seaarch
|
dallas
|
TX
|
Urine
|
|
Staff Seaarch
|
dallas
|
TX
|
Urine
|
|
Reliable Chevrolet
|
Richardson
|
TX
|
Urine
|
|
Atofina
|
Houston, Crosby, Beaumont
|
TX
|
Urine
|
|
Texas Instruments Inc.
|
Dallas
|
TX
|
Urine
|
|
U.S.A Personnel
|
Carrolton
|
TX
|
Urine
|
|
Texas State Blind Commission
|
Austin
|
TX
|
Urine
|
|
Group 1 Auto Dealers
|
Houston
|
TX
|
Hair
|
|
arch wireless
|
plano
|
TX
|
Urine
|
|
WesternGeco
|
Houston
|
TX
|
Urine
|
|
Blue Bell Creameries
|
Brenham
|
TX
|
Urine
|
|
union tank car
|
dickinson texas
|
TX
|
Urine/Blood
|
|
NORTH TEXAS STATE HOSPITA;
|
WICHITA FALLS
|
TX
|
Urine
|
|
Corelab
|
Fort Worth
|
TX
|
Urine
|
|
dell
|
austin
|
TX
|
Urine
|
|
Perot Systems
|
Plano
|
TX
|
Hair
|
|
Baker Hughes-Baker Atlas
|
Houston
|
TX
|
Hair
|
|
Hyatt Hotels
|
austin
|
TX
|
Urine
|
|
International Paper
|
Texarkana
|
TX
|
Urine
|
|
Best Buy
|
Amarillo
|
TX
|
Urine
|
|
Complete Trade Networks
|
Austin
|
TX
|
Urine
|
|
Americo Retirement Services
|
Dallas
|
TX
|
Urine
|
|
barnes
|
dallas
|
TX
|
Urine
|
|
belo
|
dallas
|
TX
|
Hair
|
|
Davita
|
sherman
|
TX
|
Urine
|
|
Childrens Medical Center
|
Dallas
|
TX
|
Urine
|
|
Hotel Crescent Court(Rosewoo
|
DALLAS
|
TX
|
Urine
|
|
Dannenbaum Engineering Corpo
|
Houston
|
TX
|
Urine
|
|
mission hospital
|
mission
|
TX
|
Urine
|
|
Reliant Resources, Inc
|
Houston
|
TX
|
Urine
|
|
enterprise
|
houston
|
TX
|
Urine
|
|
exxonmobil
|
houston
|
TX
|
Urine/Blood
|
|
Cybertrader
|
Austin
|
TX
|
Other Test/Indicate
|
|
Sabre
|
Southlake
|
TX
|
Urine
|
|
Home Depot
|
Arlington
|
TX
|
Urine
|
|
American Airlines
|
Dallas-Fort Worth
|
TX
|
Urine
|
|
Stage Stroes Inc.
|
Jacksonville
|
TX
|
Urine/Blood
|
|
Halliburton Energy Services
|
Midland
|
TX
|
Urine
|
|
Portion Pac
|
Dallas
|
TX
|
Urine
|
|
weatherford International
|
Houston
|
TX
|
Urine
|
|
SBC/AMERITECH
|
SAN ANTONIO
|
TX
|
Urine
|
|
Fairfield Residential
|
Grand Prairie
|
TX
|
Urine
|
|
The City of San Antonio
|
San Antonio
|
TX
|
Urine
|
|
EXIDE Technologies
|
Corporate office in Atlanta
|
TX
|
Urine
|
|
GRADUATE LOAN SERVICES
|
CORPUS CHRISTI
|
TX
|
Urine
|
|
Alcon Labs
|
Ft.Worth
|
TX
|
Urine
|
|
First Restoration
|
Arlington
|
TX
|
Urine
|
|
DHL
|
Grapevine
|
TX
|
Urine
|
|
XO Communications
|
Austin
|
TX
|
Urine
|
|
Gieco Car Insurance
|
Dallas
|
TX
|
Hair
|
|
Shekinah Radiance Academy
|
San Antonio
|
TX
|
Urine
|
|
San Antonio C.A.N. High Scho
|
San Antonio
|
TX
|
Urine
|
|
Pep Boys
|
Austin
|
TX
|
Urine
|
|
butler telcom
|
Irving
|
TX
|
Urine
|
|
Alliance Residential Managem
|
Houston
|
TX
|
Urine
|
|
Blue Bell Creameries
|
Brenham
|
TX
|
Urine
|
|
Southwest Research Institute
|
San Antonio
|
TX
|
Urine
|
|
Citibank
|
Dallas
|
TX
|
Urine
|
|
harcourt
|
san antonio
|
TX
|
Urine
|
|
Target
|
College Station
|
TX
|
Urine
|
|
hilton hotel
|
austin
|
TX
|
Urine
|
|
United Samsco
|
Dallas
|
TX
|
Urine
|
|
Neiman Marcus
|
Irving
|
TX
|
Urine
|
|
Manpower Inc.
|
Grapevine
|
TX
|
Urine
|
|
enterprise rent a car
|
houston
|
TX
|
Urine
|
|
Sheraton
|
Houston
|
TX
|
Salvia
|
|
eds
|
plano
|
TX
|
Urine
|
|
Software Spectrum
|
Plano, Garland
|
TX
|
Urine
|
|
Weathermatic
|
Garland
|
TX
|
Urine
|
|
blue cross blue shield
|
richardson
|
TX
|
Urine
|
|
Sam Pack's Five Star Ford
|
Carrollton
|
TX
|
Urine
|
|
Rowan Companies Inc.
|
Houston
|
TX
|
Urine
|
|
The Container Store
|
Dallas
|
TX
|
Urine
|
|
Cornell Companies
|
Houston, Tx
|
TX
|
Urine
|
|
Frito Lay
|
Plano
|
TX
|
Hair
|
|
Allen Samuels Dodge
|
Tyler
|
TX
|
Urine
|
|
Hart InterCivic, Inc
|
Austin
|
TX
|
Urine
|
|
Flowtronex
|
Dallas
|
TX
|
Hair
|
|
Deal Tree
|
McKinney
|
TX
|
Urine
|
|
MHA Group
|
Irving
|
TX
|
Urine
|
|
H & M Design
|
LaPorte
|
TX
|
Urine
|
|
Contech
|
LaPorte
|
TX
|
Urine
|
|
United Supermarkets
|
Abilene
|
TX
|
Urine
|
|
Electronic data systems
|
Plano
|
TX
|
Hair
|
|
EDS
|
Dallas
|
TX
|
Hair
|
|
CITGO Petroleum Corporation
|
Houston
|
TX
|
Urine
|
|
FedEx Kinkos
|
Dallas
|
TX
|
Urine
|
|
Exi Parsons Telecom
|
Richardson
|
TX
|
Urine
|
|
Chase Bank
|
Dallas
|
TX
|
Urine
|
|
Kroger
|
Keller
|
TX
|
Salvia
|
|
Walgreens DTR
|
Houston
|
TX
|
Urine
|
|
mosaic sales solutions
|
irving
|
TX
|
Urine
|
|
Harris Connect
|
San Antonio
|
TX
|
Urine
|
|
Andersons Merchandisers
|
Amarillo
|
TX
|
Hair
|
|
bnsf
|
Fort Worth
|
TX
|
Hair
|
|
ut
|
austin
|
TX
|
Bio Medica Test Cup
|
|
nordstrom
|
dallas
|
TX
|
Urine
|
|
Temple Inland
|
Austin
|
TX
|
Hair
|
|
Time Warner Cable
|
Flower Mound
|
TX
|
Urine
|
|
Lyondell
|
Houston
|
TX
|
Hair
|
|
FedEx Kinko's
|
Dallas
|
TX
|
Urine
|
|
Houston Chronicle
|
Houston
|
TX
|
Urine
|
|
Penson Financial
|
Dallas
|
TX
|
Urine
|
|
CellStar, Ltd
|
Coppell
|
TX
|
Urine
|
|
Tractor Supply Company
|
Houston
|
TX
|
Urine
|
|
National Oilwell / Varco
|
Sugerland
|
TX
|
Urine
|
|
TelVista
|
Dallas
|
TX
|
Urine
|
|
Advocare
|
Carrollton
|
TX
|
Hair
|
|
insurmark
|
houston
|
TX
|
Urine
|
|
Schlumberger
|
Houston
|
TX
|
Urine
|
|
Comerica
|
Dallas
|
TX
|
Urine
|
|
SAVVIS
|
Fort Worth
|
TX
|
Hair
|
|
Rockwell Automation
|
Nationwide
|
TX
|
Urine
|
|
petsmart
|
texarkana
|
TX
|
Urine
|
|
Ancira Car Dealership
|
San Antonio
|
TX
|
Urine
|
|
Curry Adkins
|
El Paso
|
TX
|
Urine
|
|
BP
|
Houston
|
TX
|
Urine
|
|
j.b. hunt
|
dallas terminal
|
TX
|
Hair
|
|
National Financial Partners
|
austin
|
TX
|
Urine
|
|
BP
|
Houston
|
TX
|
Hair
|
|
Alfred Angelo
|
Austin
|
TX
|
Urine
|
|
brookshire brothers
|
magnolia
|
TX
|
Salvia
|
|
Gainsco Insurance
|
Dallas
|
TX
|
Urine
|
|
Englobal
|
Beaumont, Houston, Tulsa, Lake Charles
|
TX
|
Urine
|
|
amr corp. american airlines
|
dallas
|
TX
|
Urine
|
|
daybreak healthcare
|
denton
|
TX
|
Urine
|
|
Rotech Healthcare Inc
|
Austin
|
TX
|
Urine
|
|
capgemini
|
Dallas
|
TX
|
Urine
|
|
C&F Electric
|
rockwall
|
TX
|
Salvia
|
|
Perot Systems
|
Plano
|
TX
|
Hair
|
|
Comerica
|
Dallas
|
TX
|
Hair
|
|
Echostar Ltd.
|
Harlingen
|
TX
|
Urine/Blood
|
|
CostCo Wholesale
|
san antonio
|
TX
|
Salvia
|
|
hp
|
houston
|
TX
|
Urine
|
|
terracon
|
Houston
|
TX
|
Urine
|
|
Lowes
|
Any City
|
TX
|
Salvia
|
|
Frito Lay
|
Houston
|
TX
|
Hair
|
|
Dolar general
|
Tyler
|
TX
|
Urine
|
|
Petco
|
Longview
|
TX
|
Urine
|
|
hntb
|
austin
|
TX
|
Urine
|
|
Countrywide
|
Austin
|
TX
|
Urine
|
|
Petsmart
|
Selma
|
TX
|
Urine
|
|
Petsmart
|
Missouri City
|
TX
|
Urine
|
|
Excel Staffing Agency
|
Tyler
|
TX
|
Urine
|
|
farm credit bank
|
austin
|
TX
|
Urine
|
|
Advantage Rent A Car
|
Bryan
|
TX
|
Urine
|
|
Bluecross blueshield
|
Abilene
|
TX
|
Hair
|
|
Microwave Networks Inc
|
Stafford
|
TX
|
Urine
|
|
Brookshire's
|
Longview
|
TX
|
Hair
|
|
Kohl's
|
Lewisville
|
TX
|
Urine
|
|
First Horizon
|
Irving
|
TX
|
Urine
|
|
Spirit Completion Fluids,LTD
|
Houston
|
TX
|
Urine
|
|
Rogers Electric
|
Irving
|
TX
|
Urine
|
|
atmos energy
|
dallas
|
TX
|
Urine
|
|
Anadarko
|
Houston/The Woodlands
|
TX
|
Hair
|
|
Deloitte
|
Dallas
|
TX
|
Urine
|
|
Fry's Electronics
|
Plano
|
TX
|
Urine
|
|
HealthMarkets
|
North Richland Hills
|
TX
|
Salvia
|
|
Anadarko
|
The Woodlands
|
TX
|
Hair
|
|
Starbucks
|
Wichita Falls
|
TX
|
Urine
|
|
north texas nissan
|
Corinth
|
TX
|
Urine
|
|
brookhaven COLLAGE
|
DALLAS
|
TX
|
Urine
|
|
hearst
|
houston
|
TX
|
Urine
|
|
WOODS OF LAMONTE APARTMENTS
|
HOUSTON
|
TX
|
Urine
|
|
Frost national bank
|
San Antonio
|
TX
|
Urine
|
|
Electronic Data Systems EDS
|
Plano
|
TX
|
Hair
|
|
Faulkner Construction
|
Austin
|
TX
|
Urine
|
|
Shell Oil Company
|
Houston
|
TX
|
Hair
|
|
J.W.Willaims, Inc
|
Waller
|
TX
|
Urine
|
|
Campus Living Villages
|
Houston
|
TX
|
Urine
|
|
United Supermarkets
|
Amarillo
|
TX
|
Urine
|
|
AdvoCare International
|
Carrollton
|
TX
|
Hair
|
|
GE
|
Houston
|
TX
|
Hair
|
|
logix
|
austin
|
TX
|
Urine
|
|
Texas Motors Ford
|
Ft. Worth
|
TX
|
Urine
|
|
siemens
|
houston
|
TX
|
Urine
|
|
insight global
|
irving
|
TX
|
Urine
|
|
City of Wylie
|
Wylie
|
TX
|
Urine
|
|
Crouch/KST Enterprises Inc.
|
Austin, San Antonio, Dallas, Houston
|
TX
|
Urine
|
|
Lubbock Regional Mental Heal
|
Lubbock
|
TX
|
Urine
|
|
HEB
|
san antonio
|
TX
|
Urine
|
|
atlantic plant maint.
|
pasadena
|
TX
|
Urine
|
|
Ranger Insurance
|
Houston
|
TX
|
Urine
|
|
bally health clubs
|
san antonio
|
TX
|
Urine
|
|
Advanced Connections
|
Grand Prairie
|
TX
|
Urine
|
|
waste management
|
houston
|
TX
|
Urine
|
|
ExxonMobil
|
Houston
|
TX
|
Urine
|
|
Dresser Incorporated
|
Addison
|
TX
|
Urine
|
|
samsung
|
austin
|
TX
|
Urine
|
|
Stewart & Stevenson
|
Dallas
|
TX
|
Urine
|
|
Worldcom
|
Richardson
|
TX
|
Urine
|
|
Dynegy
|
Houston
|
TX
|
Urine
|
|
Cordis
|
El Paso, Miami, New Jersey
|
TX
|
Urine
|
|
Books A Million
|
Beaumont
|
TX
|
Hair
|
|
quaker oats
|
dallas
|
TX
|
Hair
|
|
quaker oats
|
dallas
|
TX
|
Urine
|
|
drill tube international
|
BRYAN
|
TX
|
Urine
|
|
Affiliaed Foods
|
Amarillo
|
TX
|
Urine
|
|
Best Buy
|
College Station
|
TX
|
Urine
|
|
US Postal Service
|
Abilene
|
TX
|
Urine
|
|
Mustang Tractor & Eq.
|
Houston
|
TX
|
Urine
|
|
Frito-Lay, Inc.
|
Plano
|
TX
|
Hair
|
|
JBI ELECTRICAL
|
FORT WORTH
|
TX
|
Urine
|
|
SAIC
|
Houston
|
TX
|
Urine
|
|
GE Power Systems
|
Houston
|
TX
|
Urine
|
|
Daily Thermetrics
|
Houston
|
TX
|
Hair
|
|
Litton Loan Servicing
|
Houston
|
TX
|
Urine
|
|
lockheed martin
|
white settlement
|
TX
|
Urine
|
|
KI - Kruegar International
|
Dallas
|
TX
|
Urine
|
|
Tusa Office Solutions
|
Carrollton
|
TX
|
Urine
|
|
Houstonian Hotel
|
Houston
|
TX
|
Urine
|
|
Magnolia Lodging
|
Lewisville
|
TX
|
Salvia
|
|
Lennox Industries
|
Richardson
|
TX
|
Urine
|
|
Hewlett Packard
|
Houston
|
TX
|
Urine
|
|
Bankston Nissan
|
Lewisville
|
TX
|
Hair
|
|
Lowes home improvement wareh
|
wichita falls
|
TX
|
Salvia
|
|
Sage Telecom
|
Allen
|
TX
|
Hair
|
|
MHP Insurance
|
Dallas
|
TX
|
Urine
|
|
Austin American Statesman
|
Austin
|
TX
|
Urine
|
|
Austin Gastroenterology
|
Austin
|
TX
|
Urine
|
|
tyson
|
sherman
|
TX
|
Urine
|
|
movies 7
|
sherman
|
TX
|
Urine
|
|
Costco Wholesale
|
San Antonio
|
TX
|
Salvia
|
|
phillips may
|
dallas
|
TX
|
Urine
|
|
ADT
|
San Antonio
|
TX
|
Urine
|
|
Supercuts
|
Fort Worth
|
TX
|
Urine
|
|
Storm Water Solutions
|
Houston
|
TX
|
Urine
|
|
Pinnacle Medical Management
|
Houston
|
TX
|
Urine
|
|
Hendrick Medical Center
|
Abilene
|
TX
|
Urine
|
|
Buffalo Wild Wings Grill and
|
Houston
|
TX
|
Urine
|
|
Kroger
|
Spring
|
TX
|
Salvia
|
|
Enterprise Products Partners
|
Houston
|
TX
|
Urine
|
|
Gaylord Hotel
|
Grapevine
|
TX
|
Salvia
|
|
four seasons
|
austin
|
TX
|
Urine
|
|
Amy's Ice Cream
|
Austin
|
TX
|
Urine
|
|
Apache Oil
|
El Campo
|
TX
|
Hair
|
|
Shell Oil
|
Houston
|
TX
|
Hair
|
|
Great Wolf Lodge
|
Grapevine
|
TX
|
Urine
|
|
Sams Club
|
Abilene
|
TX
|
Urine
|
|
Landry's Restaurants
|
Houston
|
TX
|
Hair
|
|
EMKAY Distribution, Inc.
|
Irving
|
TX
|
Salvia
|
|
Spectra Energy
|
Houston
|
TX
|
Hair
|
|
Reynolds and Reynolds
|
College Station
|
TX
|
Urine
|
|
The Container Store
|
Dallas
|
TX
|
Urine
|
|
Volt
|
Fort Worth
|
TX
|
Urine
|
|
Siemens
|
Irving
|
TX
|
Urine
|
|
Metro National
|
Houston
|
TX
|
Urine
|
|
Chevron
|
Houston
|
TX
|
Urine
|
|
Dr Pepper
|
Spring
|
TX
|
Urine
|
|
At&t
|
Austin
|
TX
|
Urine
|
|
KCI
|
San Antonio
|
TX
|
Urine
|
|
Gold's Gym
|
Austin
|
TX
|
Urine
|
|
Gold's Gym
|
Austin
|
TX
|
Urine
|
|
el paso
|
houston
|
TX
|
Urine
|
|
delta rigging and tools
|
brazoria
|
TX
|
Urine
|
|
Petri electric
|
richardson
|
TX
|
Urine
|
|
Goodwill
|
Killeen
|
TX
|
Urine
|
|
Flying J Service Center
|
Dallas
|
TX
|
Hair
|
|
HP
|
houston
|
TX
|
Urine
|
|
America's Cash Express
|
Irivng
|
TX
|
Urine
|
|
Orthosynetics, Inc.
|
Southlake
|
TX
|
Urine
|
|
StaffMark
|
Richardson
|
TX
|
Urine
|
|
heb
|
austin
|
TX
|
Urine
|
|
True.com
|
Irving
|
TX
|
Salvia
|
|
spansion, llc
|
Austin
|
TX
|
Urine
|
|
patterson uti drilling
|
snider
|
TX
|
Hair
|
|
at home health care
|
sulpher springs
|
TX
|
Urine
|
|
Riverstone Residential Group
|
Dallas
|
TX
|
Urine
|
|
bureau veritas
|
houston
|
TX
|
Urine
|
|
jewelry exchange
|
dallas
|
TX
|
Urine
|
|
st jude medical
|
Austin
|
TX
|
Hair
|
|
AT&T
|
Austin
|
TX
|
Urine
|
|
Express Personel
|
Fort Worth
|
TX
|
Salvia
|
|
kroger
|
plano
|
TX
|
Salvia
|
|
INTERTEK CALEB BRETT
|
Houston
|
TX
|
Urine
|
|
HOUSTON ROCKETS
|
Houston
|
TX
|
Urine
|
|
EAGLE GLOBAL LOGISTICS
|
Houston
|
TX
|
Urine
|
|
PANHANDLE ENERGY
|
Houston
|
TX
|
Urine
|
|
STANFORD GROUP COMPANY (SGC)
|
Houston
|
TX
|
Urine
|
|
YMCA
|
Houston
|
TX
|
Urine
|
|
CSC
|
Coppell
|
TX
|
Urine
|
|
PerotSystems
|
Plano
|
TX
|
Hair
|
|
Geico
|
Dallas
|
TX
|
Hair
|
|
markel. manufacuring
|
san antonio
|
TX
|
Urine
|
|
USIC
|
irving
|
TX
|
Urine
|
|
Artistree
|
Coppell
|
TX
|
Salvia
|
|
Med 3000
|
Plano
|
TX
|
Urine
|
|
Kinder Morgan
|
Houston
|
TX
|
Urine
|
|
Concentra
|
Houston
|
TX
|
Urine
|
|
FMC Technologies
|
Houston
|
TX
|
Urine
|
|
Cabelas
|
Ft. Worth
|
TX
|
Salvia
|
|
Nationstar Mortgage LLC
|
Lewisville
|
TX
|
Urine
|
|
Frito Lay
|
Houston
|
TX
|
Hair
|
|
Benchmark Mortgage
|
Plano
|
TX
|
Urine
|
|
Crescent Medical Center
|
Lancaster
|
TX
|
Urine
|
|
NuStar Energy L.P
|
San Antonio
|
TX
|
Hair
|
|
Goodman Networks
|
Frisco
|
TX
|
Urine
|
|
RSH Engineering
|
Houston
|
TX
|
Urine
|
|
Oasis Petroleum
|
Houston
|
TX
|
Urine/Blood
|