|
COMPANY NAME
|
CITY
|
STATE
|
TEST TYPE
|
|
St Gobain Containers
|
DOLTON
|
IL
|
Urine
|
|
Buchanan Enterprises, Inc.
|
Mt. Zion
|
IL
|
Urine
|
|
Buchanan Communications, Inc
|
Mt. Zion
|
IL
|
Urine
|
|
Buchanan Electric, Inc.
|
Mt. Zion
|
IL
|
Urine
|
|
ADC Telecommunications Inc.
|
Itasca
|
IL
|
Urine
|
|
olsson roofing company,inc
|
aurora
|
IL
|
Urine
|
|
FedEx
|
Chicago
|
IL
|
Urine
|
|
metropolitan water reclamati
|
chicago
|
IL
|
Urine
|
|
state farm
|
bloomington
|
IL
|
Urine
|
|
blockbuster
|
palatine
|
IL
|
Urine
|
|
Nitel - Network Innovations
|
Chicago
|
IL
|
Urine
|
|
Senior Life Corp.
|
Blue Island
|
IL
|
Salvia
|
|
Menards
|
Hanover park
|
IL
|
Urine
|
|
Ikea
|
Schaumburg
|
IL
|
Salvia
|
|
pnc mortgage
|
Downers grove
|
IL
|
Urine
|
|
Wurth Baer Supply
|
Vernon Hills
|
IL
|
Urine
|
|
True Value Company
|
Chicago
|
IL
|
Urine
|
|
ecolab
|
elk grove village
|
IL
|
Urine
|
|
combined insurance
|
Chicago
|
IL
|
Urine
|
|
Riverpoint Wealth Management
|
Chicago
|
IL
|
Urine
|
|
Power Construction
|
Chicago
|
IL
|
Urine
|
|
Alliant Credit Union
|
Chicago
|
IL
|
Urine
|
|
The Walsh Group
|
Chicago
|
IL
|
Urine
|
|
Dunn Solutions
|
Skokie
|
IL
|
Urine
|
|
Prudential
|
Chicago
|
IL
|
Urine
|
|
Cortland capital markets
|
Chicago
|
IL
|
Urine
|
|
Atkore International
|
Harvey
|
IL
|
Hair
|
|
MetroTech HVAC
|
Schaumburg
|
IL
|
Urine
|
|
Target
|
nationwide
|
IL
|
Urine
|
|
State of IL
|
Springfield
|
IL
|
Urine/Blood
|
|
bd's mongolian barbque
|
chicago
|
IL
|
Hair
|
|
McCain Foods
|
Oakbrook
|
IL
|
Urine
|
|
Inland Real Estate
|
Oakbrook
|
IL
|
Urine
|
|
Richco Plastics Company
|
Chicago
|
IL
|
Urine
|
|
Chidren's Memorial Hospital
|
Chicago
|
IL
|
Urine
|
|
Best Buy
|
Chicago
|
IL
|
Urine
|
|
I.B.E.W. local 134
|
Chicago
|
IL
|
Urine
|
|
Rand McNally
|
Skokie
|
IL
|
Urine/Blood
|
|
Journeyman Plumber's Union L
|
Chicago
|
IL
|
Urine
|
|
Good Shepard Hospital
|
Barrington
|
IL
|
Urine
|
|
Plumber's Local #130
|
Chicago
|
IL
|
Urine
|
|
Dominicks (Safeway)
|
Naperville
|
IL
|
Blood
|
|
Caribou Coffee
|
Naperville
|
IL
|
Urine
|
|
USC
|
Chicago
|
IL
|
Urine
|
|
ADM Investor Services, Inc.
|
Chicago
|
IL
|
Other Test/Indicate
|
|
pride metal
|
watseka
|
IL
|
Urine
|
|
Office Depot
|
Bloomingdale
|
IL
|
Urine
|
|
spherion
|
flrankling park
|
IL
|
Urine
|
|
Richards Brick
|
Edwardsville
|
IL
|
Other Test/Indicate
|
|
Insight Communications
|
decatur
|
IL
|
Urine
|
|
Varian Medical Systems
|
Chicago
|
IL
|
Urine
|
|
Morton's Steakhouse
|
Chicago
|
IL
|
Urine
|
|
refco,llc
|
chicago
|
IL
|
Urine
|
|
LaRabida Children's Hospital
|
Chicago
|
IL
|
Urine
|
|
Northwest Herald
|
Crystal Lake
|
IL
|
Urine
|
|
best buy
|
East Dundee
|
IL
|
Urine
|
|
Tenneco Automotive
|
Lake Forrest
|
IL
|
Hair
|
|
Allegiance Healthcare
|
McGaw Park
|
IL
|
Urine
|
|
W. W. Grainger
|
Chicago
|
IL
|
Urine
|
|
Burgess Norton
|
Geneva
|
IL
|
Urine
|
|
Toys R Us
|
Joliet
|
IL
|
Urine
|
|
Home Depot
|
Downers Grove
|
IL
|
Urine
|
|
baker and taylot
|
momence
|
IL
|
Urine
|
|
baker and taylor
|
momence
|
IL
|
Urine
|
|
sears wharehouse
|
manteno
|
IL
|
Urine
|
|
winpak portion packaging
|
soth chicago heights
|
IL
|
Urine
|
|
praire packaging
|
bedford park, and bridgeview
|
IL
|
Urine
|
|
Chicago Public Schools
|
Chicago
|
IL
|
Urine/Blood
|
|
Horace Mann
|
Springfield
|
IL
|
Urine
|
|
nabisco
|
Chicago
|
IL
|
Urine
|
|
sparkling springs
|
Sauk Village
|
IL
|
Urine
|
|
ALLEN-BRADLY
|
CHAMPAIGN
|
IL
|
Urine
|
|
Equity Residential Propertie
|
Chicago
|
IL
|
Urine
|
|
Midway Games
|
Chicago
|
IL
|
Urine
|
|
Fluid Management
|
Wheeling
|
IL
|
Urine
|
|
Alexian Brothers Medical Cen
|
Elk Grove Village
|
IL
|
Urine
|
|
Komet Of America
|
Schaumburg
|
IL
|
Urine
|
|
West Group
|
Deerfield Il
|
IL
|
Urine
|
|
hyatt regency chicago
|
chicago
|
IL
|
Urine
|
|
City of Springfield Dept. of
|
Springfield
|
IL
|
Urine
|
|
Saint John's Hospital
|
Springfield
|
IL
|
Urine
|
|
Pickens-Kane Moving & Storag
|
Chicago
|
IL
|
Urine
|
|
baxter
|
northbrook
|
IL
|
Urine
|
|
illinois department of trans
|
springfield
|
IL
|
Urine
|
|
Allstate
|
Chicago
|
IL
|
Urine
|
|
Dean Foods
|
Belvidere
|
IL
|
Urine
|
|
hewitt
|
|
IL
|
Urine
|
|
motorola
|
chicago
|
IL
|
Urine
|
|
Zenith Electronics
|
Melrose Park, IL
|
IL
|
Urine
|
|
chicago transit autority
|
chicago
|
IL
|
Urine
|
|
chicago transit autority
|
chicago
|
IL
|
Urine
|
|
Donnelley R R
|
Chicago
|
IL
|
Select Test Type
|
|
Illinois Department of Corre
|
everywhere
|
IL
|
Urine
|
|
JOHNSON PUBLISHING COMPANY
|
CHICAGO
|
IL
|
Select Test Type
|
|
Titan International Inc.
|
Quincy
|
IL
|
Urine
|
|
Bear Stearns
|
Chicago
|
IL
|
Urine
|
|
National Bedding Company
|
Hoffman Estates
|
IL
|
Urine
|
|
IBM Global Services
|
Chicago
|
IL
|
Urine
|
|
Ameritech
|
chicago
|
IL
|
Urine
|
|
Dot Foods
|
MT. Stearling
|
IL
|
Urine/Blood
|
|
andrew
|
orland park
|
IL
|
Urine
|
|
The Affinity Management Grou
|
chicago
|
IL
|
Urine
|
|
avon products
|
morton grove
|
IL
|
Urine
|
|
Spraying Systems Co.
|
Wheaton
|
IL
|
Urine
|
|
Telenisus
|
Rolling Meadows
|
IL
|
Urine
|
|
LEXIS Document Services aka
|
Springfield (Nationwide Employer)
|
IL
|
Urine
|
|
Bank of Montreal
|
Chicago
|
IL
|
Urine
|
|
Walgreens
|
Nationwide
|
IL
|
Urine
|
|
DeVry
|
All
|
IL
|
Urine
|
|
UniCom
|
Chicago
|
IL
|
Urine
|
|
posen oil
|
posen
|
IL
|
Urine
|
|
Menards
|
Batavia
|
IL
|
Urine
|
|
tellabs
|
lisle
|
IL
|
Urine
|
|
Robert young center
|
rock island
|
IL
|
Urine/Blood
|
|
CMI, Inc (a/k/a Copy-Mor, In
|
Chicago
|
IL
|
Urine
|
|
Wildlife Materials Inc
|
Carbondale
|
IL
|
Urine
|
|
TRUGREEN CHEMLAWN
|
WHEELING
|
IL
|
Urine
|
|
Nalco Chemical Co
|
Naperville
|
IL
|
Urine
|
|
Marshall Fields
|
Chicago
|
IL
|
Urine
|
|
Sears
|
Chicago
|
IL
|
Urine
|
|
ADL
|
OLMSTED
|
IL
|
Urine
|
|
Walgreen's
|
Deerfield
|
IL
|
Urine
|
|
Onyx Enviromental Services
|
Sauget
|
IL
|
Urine
|
|
jewel
|
bolingbrook
|
IL
|
Urine
|
|
Prince Industries
|
Carolstream
|
IL
|
Urine
|
|
Teksystems
|
Chicago
|
IL
|
Urine
|
|
Northern Trust
|
Chicago
|
IL
|
Urine
|
|
Sentry Insurance
|
Moline
|
IL
|
Urine
|
|
excell
|
beardstown
|
IL
|
Urine
|
|
Freesen
|
Springfield
|
IL
|
Urine
|
|
Bunge Foods
|
Bradley
|
IL
|
Urine
|
|
Smurfit Stone Container Corp
|
Chicago, Ill
|
IL
|
Urine
|
|
posen oil
|
posen
|
IL
|
Urine
|
|
Bank One/First USA
|
(all locations)
|
IL
|
Urine/Blood
|
|
Medline
|
Mundelein
|
IL
|
Urine
|
|
clark enterprises inc
|
chicago
|
IL
|
Hair
|
|
CDW
|
Chicago
|
IL
|
Urine
|
|
ADM (Arch Danials Midland Co
|
main office in Decater IL.
|
IL
|
Urine
|
|
Calumet Steel Company
|
Chicago Hieghts
|
IL
|
Urine/Blood
|
|
American Steel Foundries
|
Granite City
|
IL
|
Urine
|
|
Terra Properties, Inc.
|
Highland
|
IL
|
Urine
|
|
pizza hut
|
granite city
|
IL
|
Urine
|
|
Evergreen fs
|
Bloomington
|
IL
|
Urine
|
|
Machinery Components Inc.
|
West Chicago illinois Amerika
|
IL
|
Urine
|
|
Participate.com
|
Chicago
|
IL
|
Urine
|
|
united states post office
|
moline
|
IL
|
Urine
|
|
united states post office
|
rock island
|
IL
|
Urine
|
|
harris
|
chicago
|
IL
|
Urine
|
|
tire centers incorporated
|
Villa park
|
IL
|
Urine
|
|
Solo Cup Company
|
Highland Park
|
IL
|
Urine
|
|
Topco Associates
|
Skokie
|
IL
|
Urine
|
|
Wallace Computer Services
|
Lisle
|
IL
|
Urine
|
|
General Henry Biscuit Co.
|
Du Quoin
|
IL
|
Urine
|
|
Illinois Army National Guard
|
Crestwood
|
IL
|
Urine
|
|
Mercantile Exchange
|
Chicago
|
IL
|
Urine
|
|
hollywood casino
|
aurora
|
IL
|
Hair
|
|
USPG (Us Precision Glass)
|
Elgin
|
IL
|
Urine
|
|
Lipton / Unilever
|
Lisle
|
IL
|
Hair
|
|
Plastipak Packaging
|
Champaign
|
IL
|
Urine
|
|
Sweeney Oil
|
Cicero
|
IL
|
Urine
|
|
Chicago Tribune
|
Chicago
|
IL
|
Urine
|
|
CNA insurance
|
Chicago
|
IL
|
Urine
|
|
United Airlines
|
Chicago
|
IL
|
Urine
|
|
Chicago Title and Trust
|
Chicago
|
IL
|
Urine
|
|
Shell (Equilon Enterprises)
|
Bolingbrook, Wheaton, Fox Valley, Romeoville, Etc
|
IL
|
Urine
|
|
hagerty bros. steel and alum
|
peoria
|
IL
|
Urine
|
|
CCH
|
Chicago
|
IL
|
Urine
|
|
City of Chicago
|
Chicago
|
IL
|
Urine
|
|
Caterpillar, Inc
|
Peoria
|
IL
|
Hair
|
|
Casino Queen
|
East St Louis
|
IL
|
Hair
|
|
jewal osco
|
jewal food store
|
IL
|
Urine
|
|
caldwell group
|
rockford
|
IL
|
Urine
|
|
United Airlines
|
Chicago
|
IL
|
Urine
|
|
children's memorial hospital
|
chicago
|
IL
|
Urine
|
|
Wal-Mart
|
Springfield
|
IL
|
Urine
|
|
Central Ink Corporation
|
West Chicago
|
IL
|
Urine
|
|
Weyerhaeuser
|
Aurora
|
IL
|
Urine
|
|
IKON Office Solutions
|
USA
|
IL
|
Urine
|
|
at&t
|
marion
|
IL
|
Urine
|
|
ComPsych Inc.
|
Chicago
|
IL
|
Other Test/Indicate
|
|
Youth Outreach Services
|
Chicago
|
IL
|
Urine
|
|
allegiance healthcare
|
chicago
|
IL
|
Urine
|
|
Big Three Precision Rack
|
Centralia
|
IL
|
Urine
|
|
Pharmacia
|
Skokie
|
IL
|
Urine
|
|
Darden Restaurants(olive gar
|
Chicago land
|
IL
|
Urine
|
|
metodist hopital
|
peoria
|
IL
|
Urine
|
|
Circuit City
|
Marion, Illinois
|
IL
|
Urine
|
|
Square D Company
|
Palantine
|
IL
|
Urine
|
|
kreider services inc.
|
dixon
|
IL
|
Urine
|
|
Rockford Systems
|
Rockford
|
IL
|
Urine
|
|
Sweetheart Cup
|
Chicago
|
IL
|
Urine
|
|
Ecker Center For Mental Heal
|
Elgin
|
IL
|
Urine
|
|
Nabihs Inc Computer Store
|
Evanston
|
IL
|
Urine
|
|
AMERICAN NTN BEARING
|
ELGIN
|
IL
|
Urine
|
|
Rauland Borg Corporation
|
Skokie
|
IL
|
Other Test/Indicate
|
|
Anixter International
|
Skokie
|
IL
|
Urine
|
|
Grocery Store
|
Kroger
|
IL
|
Other Test/Indicate
|
|
Maytag
|
Galesburg
|
IL
|
Urine
|
|
pepperidge farm
|
downers grove
|
IL
|
Urine
|
|
pepperidge farm
|
downers grove
|
IL
|
Urine
|
|
Bombardier Motor Corporation
|
Bombardier
|
IL
|
Urine/Blood
|
|
Central Illinois Light Co.
|
Peoria
|
IL
|
Urine
|
|
Moore North America
|
Libertyville
|
IL
|
Urine
|
|
Goodall
|
Bolingbrook
|
IL
|
Urine
|
|
Marshall Fields
|
Joliet
|
IL
|
Urine
|
|
CTA
|
ROSEMONT
|
IL
|
Urine
|
|
Triad Industries, Inc
|
South Roxana
|
IL
|
Urine
|
|
Panduit
|
Dekalb
|
IL
|
Urine
|
|
Application Engineering Corp
|
Wood Dale
|
IL
|
Urine
|
|
Bunn o matic
|
Springfield
|
IL
|
Urine
|
|
jonny brocs dungan
|
belleville
|
IL
|
Urine
|
|
Allegiance Healthcare
|
McGaw Park
|
IL
|
Urine
|
|
City of Chicago, Police Depa
|
Chicago
|
IL
|
Hair
|
|
High School of Saint Thomas
|
Champaign
|
IL
|
Hair
|
|
walgreens
|
deerfield
|
IL
|
Urine
|
|
maytag
|
HERRIN
|
IL
|
Urine
|
|
International Truck and Engi
|
Chicago
|
IL
|
Hair
|
|
Harris Bank
|
Montreal
|
IL
|
Urine
|
|
Sears and roebuck
|
Chicago is the main building, many others in malls
|
IL
|
Urine
|
|
Walgreens
|
Deerfield
|
IL
|
Urine
|
|
morgan stanley dean witter
|
chicago
|
IL
|
Urine
|
|
Argenbright Security(AHLS)
|
US
|
IL
|
Urine
|
|
J.C. penny's
|
Orland Park
|
IL
|
Urine
|
|
Marshall Fields
|
Orland Park
|
IL
|
Urine
|
|
Walgreen's
|
All Cities
|
IL
|
Urine
|
|
Sears
|
Alton
|
IL
|
Urine
|
|
General Binding Corp
|
Northbrook
|
IL
|
Urine
|
|
CNA Insurance
|
Chicago
|
IL
|
Urine
|
|
OSTROM PAINTING & SANDBLASTI
|
NATIONWIDE
|
IL
|
Urine/Blood
|
|
Tweeter
|
Desplaines
|
IL
|
Urine
|
|
Sprint PCS
|
Bolingbrook
|
IL
|
Urine/Blood
|
|
RCN Telecom of Illinois
|
Chicago
|
IL
|
Urine
|
|
Manteno High School
|
Manteno
|
IL
|
Other Test/Indicate
|
|
Advocate Healthcare
|
Chicago
|
IL
|
Urine/Blood
|
|
Spiegel Corporate
|
chicago
|
IL
|
Urine
|
|
Mesirow
|
Chicago
|
IL
|
Blood
|
|
Chicago Rawhide
|
Elgin
|
IL
|
Urine
|
|
selvaggio steel, inc
|
springfield
|
IL
|
Urine
|
|
PROVENA SAINT JOSEPH MEDICAL
|
JOLIET
|
IL
|
Urine/Blood
|
|
Clarcor
|
Rockford
|
IL
|
Urine
|
|
med source
|
northbrook
|
IL
|
Urine
|
|
novapak
|
paris
|
IL
|
Urine
|
|
R. R. Donnelley and Sons Co.
|
Mattoon
|
IL
|
Urine
|
|
Costco wholesale
|
Bedford park
|
IL
|
Urine
|
|
Super Kmart
|
Homewood
|
IL
|
Urine
|
|
Mt. Sinai Hospital
|
Chicago
|
IL
|
Hair
|
|
IPB
|
Tyson
|
IL
|
Urine
|
|
john alden life insurance co
|
downers grove
|
IL
|
Urine
|
|
US Cellular
|
Chicago
|
IL
|
Urine
|
|
OSA INTERNATIONAL / ON STAGE
|
WOOD DALE
|
IL
|
Urine
|
|
Rehabilitation Institute of
|
Chicago
|
IL
|
Urine
|
|
radio shack
|
aurora
|
IL
|
Urine
|
|
Classic Cinemas
|
Downers Grove
|
IL
|
Urine
|
|
Quality Metal Products
|
Peoria
|
IL
|
Urine
|
|
Glen Carbon Police Dept.
|
Glen Carbon
|
IL
|
Urine/Blood
|
|
Personal Preference, Inc.
|
Bolingbrook
|
IL
|
Urine
|
|
City of Taylorville
|
Taylorville
|
IL
|
Urine
|
|
Experian
|
Chicago
|
IL
|
Roche Test Cup
|
|
Porter Athletic Equipment co
|
Broadview
|
IL
|
Urine
|
|
Yaskawa Electric America
|
Waukegan
|
IL
|
Urine
|
|
Sears
|
Joliet
|
IL
|
Urine
|
|
IBM
|
Chicago
|
IL
|
Urine
|
|
Jay's
|
Chicago
|
IL
|
Urine
|
|
Discover Financial Services
|
Riverwoods
|
IL
|
Urine
|
|
Wal-Mart Distribution Compan
|
Rock Falls
|
IL
|
Urine
|
|
Sears
|
Hoffman Estates
|
IL
|
Urine
|
|
Newell Rubbermaid
|
Oak Brook
|
IL
|
Hair
|
|
Lanier
|
chicago
|
IL
|
Urine
|
|
Rotary Paper Manifold
|
Schiller Park
|
IL
|
Urine
|
|
pctel
|
carol Stream
|
IL
|
Urine
|
|
Osco Drug
|
All
|
IL
|
Urine
|
|
northwestern memorial hospit
|
chicago
|
IL
|
Urine
|
|
search developmental center
|
chicago
|
IL
|
Urine
|
|
At Your Service
|
Chicago
|
IL
|
Urine
|
|
Testing Services Corporation
|
Carol Stream
|
IL
|
Urine
|
|
SSM Health Care
|
Many Locations
|
IL
|
Urine
|
|
Calyon Financial
|
Chicago
|
IL
|
Urine
|
|
Hampton Inn
|
Carbondale
|
IL
|
Urine
|
|
Underwriters Laboratories
|
Northbrook
|
IL
|
Urine
|
|
Field Museum of Chicago
|
Chicago
|
IL
|
Urine
|
|
Hollinger International
|
Glenview
|
IL
|
Urine
|
|
ATS
|
Peoria
|
IL
|
Urine
|
|
JP Morgan Chase Manhattan
|
Chicago
|
IL
|
Urine
|
|
CES Group Temp Hiring Agency
|
Elgin
|
IL
|
Urine
|
|
ATI Abrasive Tech Inc
|
south Elgin
|
IL
|
Urine
|
|
John Crane
|
Morton Grove
|
IL
|
Urine
|
|
Jays Foods
|
Chicago
|
IL
|
Urine
|
|
EverReady Pin
|
Rockford
|
IL
|
Urine
|
|
Applied Systems
|
University Park
|
IL
|
Urine
|
|
elkay mfg co
|
broadview
|
IL
|
Urine
|
|
alberto culver
|
Melrose Park
|
IL
|
Urine
|
|
Napleton Porsche of Westmont
|
Westmont
|
IL
|
Salvia
|
|
Fry's Electronic
|
Downers Grove
|
IL
|
Urine
|
|
Ikon - Document Solutions
|
Chicago
|
IL
|
Urine
|
|
Blue Cross Blue Shield
|
Chicago
|
IL
|
Hair
|
|
T-Mobile
|
Chicago
|
IL
|
Urine
|
|
UPS
|
Peoria
|
IL
|
Urine
|
|
Sears
|
Marion
|
IL
|
Urine
|
|
PrintJet Corp
|
Loves Park
|
IL
|
Urine
|
|
jewel-osco
|
chicago
|
IL
|
Urine
|
|
aldi
|
niles
|
IL
|
Urine
|
|
EMC
|
Chicago
|
IL
|
Urine
|
|
OfficeMax
|
Itasca and Naperville
|
IL
|
Urine
|
|
United States Gypsum Company
|
Chicago
|
IL
|
Hair
|
|
mechanovent
|
effingham
|
IL
|
Urine
|
|
Applied Systems Inc
|
University Parkway
|
IL
|
Urine
|
|
Applied Systems Inc
|
University Parkway
|
IL
|
Urine
|
|
Chicago White Sox
|
Chicago, IL.
|
IL
|
Urine
|
|
Pactiv
|
Lincolnshire
|
IL
|
Hair
|
|
Elkay Mfg
|
Broadview
|
IL
|
Urine
|
|
kraft inc
|
northbrook
|
IL
|
Hair
|
|
Navistar
|
Chicago
|
IL
|
Hair
|
|
Best Buy
|
Chicago
|
IL
|
Urine
|
|
Marathon
|
Bridgeport
|
IL
|
Hair
|
|
continental
|
deer park
|
IL
|
Urine
|
|
continental
|
deer park
|
IL
|
Urine
|
|
cottage hill operating co
|
villa park
|
IL
|
Urine
|
|
Brightstar Healthcare
|
Main Office Chicago
|
IL
|
Salvia
|
|
Modine
|
mchenry
|
IL
|
Hair
|
|
red robin
|
edwardsville
|
IL
|
Urine
|
|
Electro Motive
|
Lagrange
|
IL
|
Hair
|
|
PEAK Technical Services, Inc
|
lmbard
|
IL
|
Urine
|
|
staywell
|
evanston
|
IL
|
Urine
|
|
staywell
|
evanston
|
IL
|
Urine
|
|
Senior Flexonics
|
Bartlett
|
IL
|
Urine
|
|
Quaker Oats
|
Chicago
|
IL
|
Urine
|
|
ITW
|
Glenview
|
IL
|
Urine
|
|
International Paper
|
Shelbyville
|
IL
|
Urine
|
|
edelman
|
chicago
|
IL
|
Urine
|
|
Medline Industries, Inc.
|
Mundelein
|
IL
|
Hair
|
|
Kraft Food
|
Northfield
|
IL
|
Hair
|
|
county market
|
jacksonville
|
IL
|
Urine
|
|
spirt halloween
|
shamburg
|
IL
|
Urine
|
|
Caterpillar
|
Peoria, IL
|
IL
|
Urine
|
|
southern graphic systems
|
elgin
|
IL
|
Urine
|
|
Panduit
|
Tinley Park
|
IL
|
Urine
|
|
Sodexho
|
Chicago
|
IL
|
Urine
|
|
Midas
|
Itasca
|
IL
|
Urine
|
|
JP Morgan Chase
|
Chicago
|
IL
|
Urine
|
|
Insurance Auto Auction
|
Westchester
|
IL
|
Urine
|
|
United Stationers
|
Deerfield
|
IL
|
Urine/Blood
|
|
AMLI
|
Naperville
|
IL
|
Urine
|
|
Fresenius Medical Care
|
Chicago
|
IL
|
Salvia
|
|
Kroger
|
Peoria
|
IL
|
Salvia
|
|
Medline Industries
|
Mundelein
|
IL
|
Salvia
|
|
heidrick and struggles
|
chicago
|
IL
|
Urine
|
|
Manpower
|
Gurnee
|
IL
|
Salvia
|
|
Teleflex Medical
|
Arlington Heights
|
IL
|
Urine
|
|
Citadel Investment Group LLC
|
Chicago
|
IL
|
Urine
|
|
Magnetar
|
Evanston
|
IL
|
Urine
|
|
cigna
|
bourbonnais
|
IL
|
Urine
|
|
bronzeville nursing center
|
chicagp
|
IL
|
Urine
|
|
Swissotel
|
Chicago
|
IL
|
Urine
|
|
Wesco International
|
Chicago
|
IL
|
Urine
|
|
travel centers of america
|
bloomington
|
IL
|
Urine
|
|
Walgreeens
|
deerfield
|
IL
|
Urine
|
|
Quest
|
Elk Grove Village
|
IL
|
Urine
|
|
Caterpillar
|
Peoria
|
IL
|
Urine
|
|
Landshire, Inc.
|
Belleville
|
IL
|
Urine
|
|
General Electric
|
Hoffman Estates
|
IL
|
Urine
|
|
Hagemeyer North America
|
Bolingbrook
|
IL
|
Urine
|
|
Princeton Review
|
Chicago
|
IL
|
Urine
|
|
AbbVie
|
Waukegan
|
IL
|
Urine
|
|
ccc
|
chicago
|
IL
|
Urine
|
|
Trinity Structual Towers
|
Clinton
|
IL
|
Urine
|
|
test 0303_12
|
city
|
IL
|
Blood
|
|
CLIMCO COILS C.O.
|
MORRISON
|
IL
|
Urine
|
|
Toys R Us
|
Morton Grove
|
IL
|
Urine
|
|
ROPAK CORPORATION
|
ELK GROVE VILLAGE
|
IL
|
Urine
|
|
Werner Enterprises
|
Springfield
|
IL
|
Urine
|
|
Mervis
|
Danville
|
IL
|
Urine
|
|
RR Donnelley & Sons
|
Chicago
|
IL
|
Urine/Blood
|
|
IHC Group
|
South Elgin
|
IL
|
Urine
|
|
University of Illinois
|
Champaign
|
IL
|
Urine
|
|
R.R.DONNELLEY
|
CHICAGO
|
IL
|
Urine
|
|
jewel
|
elgin
|
IL
|
Urine
|
|
rotech
|
usa
|
IL
|
Urine
|
|
Corporate Express
|
Woodridge
|
IL
|
Urine
|
|
Grand Victoria Casino
|
Elgin
|
IL
|
Urine
|
|
Premcor refining
|
Hartford
|
IL
|
Urine/Blood
|
|
Premier Yachts Inc.
|
Chicago
|
IL
|
Urine/Blood
|
|
Sprint PCS
|
Bolingbrook
|
IL
|
Urine
|
|
insulco
|
joliet
|
IL
|
Urine
|
|
Walden
|
French Village
|
IL
|
Urine
|
|
I.B.E.W. Local 176
|
Joliet
|
IL
|
Urine
|
|
Kolb-Lena Bresse Bleu
|
Lena
|
IL
|
Urine
|
|
Extended Stay America
|
Rockford
|
IL
|
Hair
|
|
IMC Global
|
Chicago Ill.
|
IL
|
Urine
|
|
gardner denver
|
quincy
|
IL
|
Urine
|
|
Source4 Printing
|
Chicago
|
IL
|
Urine
|
|
SBC telecommunications
|
Indianapolis
|
IL
|
Urine
|
|
smith barney
|
chicago
|
IL
|
Urine
|
|
kankakee county health depar
|
kankakee
|
IL
|
Urine
|
|
PriceWaterhouseCoopers
|
Chicago
|
IL
|
Urine
|
|
R.R. Donnelley
|
Mattoon
|
IL
|
Urine
|
|
Monical Pizza Corporation
|
Bradley
|
IL
|
Hair
|
|
Dukane Corp.
|
St. Charles
|
IL
|
Urine
|
|
Woodward
|
RockFord
|
IL
|
Urine
|
|
Woodward
|
Niles
|
IL
|
Urine
|
|
Siemens Building Technologie
|
Buffalo Grove
|
IL
|
Urine
|
|
E.O. Schweitzer Manufacturin
|
Mundelein
|
IL
|
Urine
|
|
Cox Automation
|
Bloomingdale
|
IL
|
Urine
|
|
Avon
|
Chicago
|
IL
|
Urine
|
|
Hyatt Regency Hotels & Resor
|
CXhicago
|
IL
|
Other Test/Indicate
|
|
Chicagoland Chamber of Comme
|
Chicago
|
IL
|
Urine
|
|
Morgan Services
|
Chicago
|
IL
|
Hair
|
|
Morgan Services
|
Chicago
|
IL
|
Hair
|
|
Morgan Services
|
Arlington Heights
|
IL
|
Hair
|
|
Morgan Services
|
Naperville
|
IL
|
Hair
|
|
pepsi
|
chicago
|
IL
|
Urine
|
|
GreatBanc
|
Oak Brook
|
IL
|
Urine
|
|
York Refrigeration
|
Carol Stream
|
IL
|
Hair
|
|
Siemens Energy and Automatio
|
Addison
|
IL
|
Urine
|
|
primerica
|
chicago
|
IL
|
Urine
|
|
Olympia Fields Country Club
|
Olympia Fields
|
IL
|
Urine
|
|
Chicago Rawhide / SKF Aerosp
|
Elgin
|
IL
|
Urine
|
|
Canon
|
Chicago
|
IL
|
Hair
|
|
Midas International
|
Chicago
|
IL
|
Urine
|
|
Dupage Medical Group
|
Hinsdale
|
IL
|
Urine
|
|
Walgreens
|
Champaign
|
IL
|
Urine
|
|
Nation Pizza Products
|
Schaumburg
|
IL
|
Urine
|
|
John Deere
|
Moline
|
IL
|
Hair
|
|
Mecalux, Inc.
|
Melrose Park
|
IL
|
Urine
|
|
Flexitech, Inc
|
Bloomington
|
IL
|
Urine
|
|
Harris Bank
|
Chicago
|
IL
|
Urine
|
|
Newedge
|
Chicago
|
IL
|
Urine
|
|
CNA
|
Chicago
|
IL
|
Hair
|
|
Avanade
|
Chicage
|
IL
|
Urine
|
|
Domino Amjet, Inc.
|
Gurnee
|
IL
|
Urine
|
|
bed bath and beyond
|
chicago ridge
|
IL
|
Urine
|
|
Dean Foods
|
Huntley
|
IL
|
Hair
|
|
dollar general
|
galatia
|
IL
|
Urine
|
|
bloomingdales
|
chicago
|
IL
|
Urine
|
|
United Facilities
|
Galesburg
|
IL
|
Urine
|
|
george s. may
|
park ridge
|
IL
|
Urine
|
|
McHugh Construction
|
Chicago
|
IL
|
Urine
|
|
Woodforest Bank
|
Woodstock
|
IL
|
Urine
|
|
test comp 13
|
werwe
|
IL
|
Hair
|
|
Heritage Healthcare
|
El Paso
|
IL
|
Urine
|
|
Sunrise Assisted Living
|
Glen Ellyn, Lombard, Wheaton, but all over the US
|
IL
|
Urine
|
|
WPI Warranty Processing Inc
|
Rockford
|
IL
|
Urine
|
|
Gonnella
|
Schaumburg
|
IL
|
Urine
|
|
Caterpillar, Inc.
|
Peoria
|
IL
|
Urine
|
|
American Tire Distributors
|
McCOOK
|
IL
|
Urine
|
|
Mead Johnson Nutrition
|
Evansville
|
IL
|
Hair
|
|
petsmart distribution
|
ottawa
|
IL
|
Urine
|