Drilling Contractors & Field Technicians
Updated September 2012



ACCURATE AMERICAN INSPECTING
2034 S. 10,000 W. Rd.
Bonfield, IL 60913
Phone: (815) 954-4838

AMERICAN GEOENGINEERING, INC
177S-C W. Cortland Ct.
Addison, IL 60101
Phone: (630) 894-9800

ASPEN ENVIRONMENTAL, INC
6607 W. Archer Ave.
Chicago, IL 60638
Phone: (773) 586-8585

ASSOCIATED ENGINEERING & TECH.
9228 Indianapolis Blvd., Ste. 8A
Highland, IN 46322
Phone: (219) 972-3516

CHICAGO TESTING LAB. ELK GROVE VILLAGE
1612 Landmeier Rd., Unit B
Elk Village, IL 60007
Phone: (847) 228-1079

CHICAGO TESTING LAB. (CTL) MCHENRY
3966 W. Dayton St., Unit A
McHenry, IL 60050
Phone: (815) 385-8351

CHICAGO TESTING LAB. (CTL) THORNTON
18000 S. Williams St.
Thornton, IL 60476
Phone: (708) 774-9958

CHICAGO TESTING TECHS (CTT)
TERRACON/TERRA GROUP SUBCONTRACTORS
135 Ambassor Dr.
Naperville, IL 60540
Phone: (630) 717-4263

DEL MAR, INCORPORATED
3841 Ridgeland Ave.
Berwyn, IL 60402
Phone: (312) 421-5000

DESIGN CONSULTING ENGINEERS
4740 W. Peterson Ave.
Chicago, IL 60646
Phone: (773) 283-8500

DLZ INDUSTRIAL, LLC
316 Tech Dr.
Burns Harbor, IN 46304
Phone: (219) 764-4700

ECM TESTING SERVICES, INC
5220 East Route 6
Morris, IL 60450
Phone: (815) 521-1235
Grundy County Contractor

ECS ILLINOIS, LLC
1575 Barclay Blvd.
Buffalo Grove, IL 60089
Phone: (847) 279-0366

ENVIRONMENTAL DRILLING & CONTRACTING
4692 136th Ave.
Holland, MI 49424
Phone: (616) 738-9300

ENVIRONMENTAL SOIL PROBING CORP
1704 Ronzheimber Ave.
St. Charles, IL 60174
Phone: (630) 846-0625

FLOOD TESTING LABORATORIES, INC. (FTL)
1945 E. 87th St.
Chicago, IL 60617
Phone: (773) 721-2200

GEO SERVICES, INC
805 Amherst Ct., Suite 204
Naperville, IL 60565
Phone: (630) 305-9186

GREAT LAKES SOIL & ENVIRONMENTAL CONSULTANTS, INC.
333 Shore Dr.
Burr Ridge, IL 60527
Phone: (630) 321-0944

GSG MATERIAL TESTING, INC
847 W. Adams, Suite 230
Chicago, IL 60607
Phone: (312) 666-2989

H.H. HOLMES TESTING LABORATORIES
170 Shepard Ave.
Wheeling, IL 60090
Phone: (847) 541-4040

K & S ENGINEERS, INC
9715 Kennedy Ave.
Highland, IN 46322
Phone: (219) 924-5231

KALGEN CONSULTANTS, INC
716 N. Wisconsin Ave.
Villa Park, IL 60181

MATERIAL TESTING SERVICES, INC.
766 Foster Ave.
Bensenville, IL 60106
Phone: (630) 860-7185

MIDWEST TESTING SERVICES, INC.
3705 Progress Blvd.
Peru, IL 61354
Phone: (815) 223-6696

MTL GROUP, INC.
448 Eisenhower Lane North
Lombard, IL 60148
Phone: (630) 576-2600

NELSON TESTING SERVICES, INC.
1224 Remington Rd.
Schaumburg, IL 60173
Phone: (847) 882-8675

O'BRIEN & ASSOCIATES, INC.
1235 E. Davis St.
Arlington Heights, IL 60005
Phone: (847) 398-1441

OZ ENGINEERINGS, LLC.
1206 Sunset Rd.
Wheaton, IL 60187
Phone: (708) 296-4325

PATRICK DRILLING INC. D/B/A PRECON DRILLING
3000 W. Lake St.
Melrose Park, IL 60160
Phone: (708) 343-9703

QC SOLUTIONS, INC.
1475 Perryville Rd.
Rockford, IL 61108
Phone: (815) 484-4300

R.W. COLLINS CO.
7225 W. 66th St.
Bedford Park, IL 60638
Phone: (708) 458-6868

RAIMONDE DRILLING CORP.
777 Factory Rd., 1st Floor
Addison, IL 60101
Phone: (630) 458-0590

RDNP DRILLING, INC.
840 Industrial Blvd.
Crown Point, IN 46307
Phone: (219) 663-4160

S.A.M. CONSULTANTS, INC.
500 E. 22nd St.
Lombard, IL 60148
Phone: (630) 424-1200

S.T.A.T.E. TESTING, L.L.C. (Main Facility)
570 Rock Road, Unit K
East Dundee, IL 60118
Phone: (847) 836-6002

S.T.A.T.E. TESTING L.L.C. North and South Chicago Facilities
3210 N. Troy
Chicago, IL 60618
Phone: (773) 279-9253
Phone: (773) 224-7530
7649 S. State St.
Chicago, IL 60619

SEECO ENVIRONMENTAL SERVICES, INC.
7350 Duvan Dr.
Tinley Park, IL 60477
Phone: (708) 429-1685

SUBSURFACE EXPLORATION, INC. (SEI)
811 E. Park Ave.
Libertyville, IL 60048
Phone: (847) 968-4863

TECHKNOW ENGINEERING, LLC
30 E. Adams St., Suite 1100
Chicago, IL 60603
Phone: (312) 345-1009

TESTECH CONSULTANTS, INC.
314 Brook St.
Elgin, IL 60120
Phone: (847) 622-1240

TESTING SERVICE CORP. (TSC)
Carol Stream & Tinley Park Offices

360 S. Main Place (Corporate Office)
Carol Stream, IL 60188
Phone: (630) 462-2600
Phone: (708) 429-2080
8201 W. 183rd St., Suite C
Tinley Park, IL 60477

TESTING SERVICE CORP. (TSC)
Cary & Shorewood Offices

209 Cleveland St., Suite C
Cary, IL 60013
Phone: (847) 516-0505
Phone: (815) 744-1510
203 Earl Rd., Suite A
Shorewood, IL 60431
Will County Contractor

TESTING SERVICE CORP. (TSC)
DeKalb & Gurnee Offices

650 Peace Rd., Suite D
DeKalb, IL 60115
Phone: (815) 748-2100
Phone: (847) 249-6040
401 Riverside Dr., Suite 10
Gurnee, IL 60031

UNIVERSAL CONSTRUCTION TESTING
1548 Old Skokie Rd.
Highland Park, IL 60035
Phone: (847) 831-5343

WINDY CITY DRILLING, INC.
1214 Timber Place
New Lenox, IL 60451
Phone: (815) 485-0852
Fax: (815) 485-3360
Will County Contractor

WNH CONSULTING ENGINEERS
24137 W. 111th St., Unit C
Naperville, IL 60564
Phone: (630) 904-2709
Fax: (630) 904-3691