Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
2IM GROUP LLC | 118 S CLINTON, STE 350 | CHICAGO | IL | 60661 | (312) 441-9554 | (312) 441-9558 |
ABNA ENGINEERING | 4140 LINDELL BLVD | ST LOUIS | MO | 63108 | (314) 454-0222 | (314) 454-1235 |
ACCURATE GROUP INC | 101 SCHELTER RD, STE B 200 | LINCOLNSHIRE | IL | 60069 | (847) 613-1100 | (847) 613-1105 |
ADS LLC | 340 THE BRIDGE ST, STE 204 | HUNTSVILLE | AL | 35806 | (708) 341-9701 | (256) 430-6633 |
AECOM TECHNICAL SERVICES INC. | 303 E WACKER DR, STE 1400 | CHICAGO | IL | 60601-5207 | (312) 373-7700 | (312) 373-6800 |
AKRF | 440 PARK AVE SOUTH | NEW YORK | NY | 10016 | (800) 899-2573 | (212) 779-9721 |
ALTAMANU INC | 1700 W IRVING PK RD, STE 202 | CHICAGO | IL | 60613 | (773) 934-5288 | |
APTIM ENVIRONMENTAL & | 1607 E MAIN ST, STE E | ST CHARLES | IL | 60174 | (630) 762-1400 | (630) 762-1402 |
AQUA VITAE ENGINEERING LLC | 3400 W STONEGATE BLVD, STE #100-231 | ARLINGTON HEIGHTS | IL | 60005 | (847) 239-4512 | (847) 239-4512 |
ARCADIS | 120 S LASALLE STE 1350 | CHICAGO | IL | 60603 | (312) 405-7965 | (312) 917-1572 |
ARUP | 35 E WACKER DR | CHICAGO | IL | 60601 | (312) 350-0231 | (312) 849-5610 |
ATLAS ENGINEERING GROUP LTD | 3100 DUNDEE RD, STE 502 | NORTHBROOK | IL | 60062 | (847) 753-8020 | (847) 753-8023 |
B&W CONTROL SYSTEMS INTEGRATION | 8678 RIDGEFIELD RD | CRYSTAL LAKE | IL | 60012 | (815) 459-1260 | (815) 455-0450 |
BAUER LATOZA STUDIO | 2241 S WABASH AVE | CHICAGO | IL | 60616 | (312) 567-1000 | (312) 567-9690 |
BLACK & VEATCH CORPORATION | 180 N WACKER DR, STE 550 | CHICAGO | IL | 60606 | (312) 683-7850 | (312) 346-4781 |
BROWN & CALDWELL ENGINEERING | 141 W JACKSON BLVD, STE #300A | CHICAGO | IL | 60604 | (708) 870-6168 | (312) 483-2101 |
BURNS & MCDONNELL ENGINEERING | 200 W ADAMS, STE 2700 | CHICAGO | IL | 60606 | (816) 333-9400 | (630) 724-3201 |
CARDNO INC | 6605 STEGER RD, UNIT A | MONEE | IL | 60449 | (708) 534-3450 | (708) 534-3480 |
CDM SMITH INC | 125 S WACKER DR, STE 700 | CHICAGO | IL | 60606 | (312) 346-5000 | (312) 346-5228 |
CENTER FOR NEIGHBORHOOD TECHNOLOGY | 17 N STATE ST STE 1400 | CHICAGO | IL | 60602 | (773) 278-4800 | (773) 278-3840 |
CERA SOLUTIONS | 1 N STATE ST, STE 1500 | CHICAGO | IL | 60602 | (312) 924-2902 | (312) 924-2903 |
CHASTAIN & ASSOCIATES LLC | 120 WEST CENTER COURT | SCHAUMBURG | IL | 60195 | (773) 714-0050 | (773) 714-0055 |
CHEVRON ENVIRONMENTAL | 301 W 2nd ST | LOCKPORT | IL | 60441 | (815) 838-0770 | (815) 838-9197 |
CHICAGO METROPOLITAN AGENCY | 233 S WACKER DR, STE 800 | CHICAGO | IL | 60605 | (312) 386-8750 | |
CHRISTOPHER B BURKE ENGINEERING LTD | 9575 W HIGGINS RD, STE 600 | ROSEMONT | IL | 60018 | (847) 823-0500 | (847) 823-0520 |
CHRISTY WEBBER & CO | 2900 W FERDINAND ST | CHICAGO | IL | 60612 | (773) 533-0477 | (773) 533-0771 |
CIORBA GROUP INC | 8725 W HIGGINS RD, STE 600 | CHICAGO | IL | 60631 | (773) 355-2925 | |
COMPREHENSIVE CONSTRUCTION | 53 W JACKSON BLVD, STE 915 | CHICAGO | IL | 60604-3495 | (312) 353-3000 | (312) 353-3001 |
CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
CRAWFORD MURPHY & TILLY INC | 125 S WACKER DR, STE 2880 | CHICAGO | IL | 60606 | (312) 855-2540 | (999) 999-9999 |
DBHMS | 303 W ERIE ST, STE 510 | CHICAGO | IL | 60654 | (312) 915-0557 | (312) 915-0557 |
DELTA ENGINEERING INC | 111 W JACKSON BLVD, STE 910 | CHICAGO | IL | 60604-2001 | (312) 377-7700 | (312) 427-6145 |
DELTA INSTITUTE | 35 E WACKER DRIVE, STE 1200 | CHICAGO | IL | 60601 | (312) 377-7700 | (312) 268-6294 |
DHI WATER & ENVIRONMENT INC | 141 UNION BLVD, STE 320 | LAKEWOOD | CO | 80228 | (303) 549-3529 | (813) 831-4774 |
DLZ ILLINOIS INC | 8430 W BRYN MAWR, STE 100 | CHICAGO | IL | 60631 | (773) 283-2600 | (773) 283-2602 |
DOLAND ENGINEERING LLC | 334 E COLFAX STREET, STE C | PALATINE | IL | 60067 | (847) 991-5088 | (847) 934-3427 |
DONOHUE & ASSOCIATES INC | 230 W MONROE ST, STE 2925 | CHICAGO | IL | 60606 | (312) 236-9147 | |
ENGINEERING RESOURCE ASSOCIATES INC | 3 S 701 WEST AVE, STE 150 | WARRENVILLE | IL | 60555 | (312) 683-0110 | (312) 474-6099 |
ENVIRONMENTAL CONSULTING & TECH | 403 W ST CHARLES RD | LOMBARD | IL | 60148 | (630) 559-2000 | (630) 559-2030 |
ENVIRONMENTAL DESIGN INTERNATIONAL | 33 W MONROE ST, STE 1825 | CHICAGO | IL | 60603-5326 | (312) 345-8679 | (312) 345-0529 |
ENVIRONMENTAL MONITORING AND | 509 N 3RD AVE | DES PLAINES | IL | 60016 | (847) 324-3304 | (847) 967-6735 |
EPLAN ONLINE PLANROOM | 1400 FORUM BLVD, STE 7B | COLUMBIA | IL | 65203 | (573) 447-7130 | (573) 355-5405 |
EPSTEIN & SONS INTL INC, A | 600 W FULTON ST | CHICAGO | IL | 60661 | (312) 429-8072 | (312) 559-1217 |
ESI CONSULTANTS LTD | 1979 MILL ST | NAPERVILLE | IL | 60563 | (630) 420-1700 | (630) 420-1733 |
EXP US SERVICES INC | 205 N MICHIGAN AVE, STE 3600 | CHICAGO | IL | 60601 | (312) 616-0000 | (312) 616-6069 |
FARR ASSOCIATES | 53 W JACKSON ST, STE 650 | CHICAGO | IL | 60604 | (312) 408-1661 | (3120 408-1661 |
FOREST PRESERVE DISTRICT OF COOK | 536 N HARLEM AVE | RIVER FOREST | IL | 60305 | (708) 771-1572 | (708) 771-1181 |
GASPEREC ELBERTS CONSULTING LLC | 1401 BRANDING AVE, STE 230 | DOWNERS GROVE | IL | 60515 | (847) 868-1857 | (847) 868-1837 |
GEOSYNTEC CONSULTANTS INC | 134 N LASALLE ST, STE 300 | CHICAGO | IL | 60602 | (312) 658-0500 | (866) 783-5766 |
GLOBETROTTERS ENGINEERING | 300 S WACKER DR, STE 400 | CHICAGO | IL | 60606 | (312) 922-6400 | (312) 922-0267 |
GRAEF USA INC | 8501 W HIGGINS RD, STE 280 | CHICAGO | IL | 60631 | (773) 399-0112 | (773) 399-0170 |
GREELEY & HANSEN LLC | 100 S WACKER DR, STE 1400 | CHICAGO | IL | 60606 | (800) 837-9779 | (312) 558-1986 |
GREEN METRO PLANNING, LLC | 673 CLARENDON LN | AURORA | IL | 60504 | (630) 551-8156 | |
GREENLEAF ADVISORS LLC | 227 GREENLEAF AVE | WILMETTE | IL | 60091 | (312) 953-2114 | |
GSG CONSULTANTS INC | 623 COOPER CT | SCHAUMBURG | IL | 60173 | (312) 733-6262 | (312) 733-5612 |
GZA GEOENVIRONMENTAL INC | 17975 W SARAH LANE, STE 200 | BROOKFIELD | WI | 53045-5859 | (781) 278-3700 | |
HBM ENGINEERING GROUP LLC | 4415 W HARRISON ST, STE 231 | HILLSIDE | IL | 60162 | (708) 236-0900 | (708) 236-0901 |
HORNER & SHIFRIN INC | 8755 W HIGGINS RD, STE 325 | CHICAGO | IL | 60631 | (312) 332-4334 | (844) 339-2910 |
HOUSEAL LAVIGNE | 188 W RANDOLPH, STE 200 | CHICAGO | IL | 60601 | (312) 372-1008 | (312) 827-9523 |
HR GREEN INC | 30 S WACKER DR, 22ND FL | CHICAGO | IL | 60606 | (815) 385-1778 | (815) 385-1781 |
HUFF & HUFF INC | 915 HARGER ROAD | OAK BROOK | IL | 60523 | (630) 684-9100 | |
INFORMATICA | 2100 SEAPORT BLVD | REDWOOD CITY | CA | 94063 | (650) 385-5000 | |
INFRA PIPES SOLUTIONS | 6507 MISSISSAUGA RD | MISSISSAUGA | ON | L5N 1A6 | (630) 335-3236 | (905) 858-0208 |
INTERRA INC | 600 TERRITORIAL DR, STE G | BOLINGBROOK | IL | 60440 | (630) 754-8700 | (630) 754-8705 |
JACOBS ENGINEERING | 525 W MONROE ST, STE 1600 | CHICAGO | IL | 60661 | (312) 251-3000 | (678) 579-8038 |
JUNEAU ASSOCIATES INC PC | 1111 BURLINGTON AVE, STE 100 | LISLE | IL | 60532 | (618) 877-1400 | (618) 659-0941 |
KABBES ENGINEERING INC | 1250 S GROVE AVE, STE 200 | BARRINGTON | IL | 60010 | (847) 842-9663 | |
KALETECH LLC | 3831 MCCOY DR, #109 | AURORA | IL | 60504 | (630) 853-2533 | (630) 604-2344 |
KALTSOUNI MEHDI INC | 223 W JACKSON BLVD, STE 1010 | CHICAGO | IL | 60606 | (312) 987-9800 | (312) 987-9892 |
KDM ENGINEERING PLLC | 1308 N ELSTON AVE, STE 300 | CHICAGO | IL | 60642 | (312) 763-2198 | |
KNIGHT INFRASTRUCTURE INC | 221 N LASALLE ST, STE 300 | CHICAGO | IL | 60601-1211 | (312) 577-3300 | (312) 577-3526 |
LARSON ENGINEERING INC | 1488 BOND ST, SUITE 100 | NAPERVILLE | IL | 60563 | (630) 357-0540 | (630) 357-0164 |
M SQUARED ENGINEERING LLC | 230 W MONROE ST, STE 1420 | CHICAGO | WI | 60606 | (312) 429-4976 | (262) 375-2274 |
M3 ENGINEERING GROUP OF ILLINOIS | 203 N LASALLE ST, STE 2100 | CHICAGO | IL | 60601 | (312) 558-1456 | (312) 346-9603 |
MACKIE CONSULTANTS LLC | 9575 W HIGGINS RD, STE 500 | ROSEMONT | IL | 60018 | (847) 696-1400 | (847) 696-1410 |
MANHARD CONSULTING | 700 SPRINGER DR | LOMBARD | IL | 60148 | (630) 925-1055 | (630) 691-8585 |
MC CONSULTING INC | 1105 WILLIAMSBURG ST | WESTMONT | IL | 60559 | (630) 887-0922 | |
MCBRIDE ENGINEERING INC | 1820 RIDGE RD, STE 202 | HOMEWOOD | IL | 60430 | (708) 799-1350 | (708) 799-9599 |
METRO STRATEGIES INC | 1901 BUTTERFIELD RD, STE 305 | DOWNERS GROVE | IL | 60515 | (630) 534-6400 | |
MICHAEL BAKER INTERNATIONAL INC | 200 W ADAMS ST, STE 1800 | CHICAGO | IL | 60606 | (312) 707-8770 | (312) 707-8804 |
MIDWEST REM ENTERPRISES INC | 2601 W LEMOYNE | MELROSE PARK | IL | 60160 | (708) 345-8099 | (708) 345-8196 |
MILHOUSE ENGINEERING & | 333 S WABASH AVE, STE 2901 | CHICAGO | IL | 60604 | (773) 661-8437 | (630) 519-4527 |
MORREALE COMMUNICATIONS | 6703 N NORTHWEST HWY, 2A | CHICAGO | IL | 60631 | (312) 300-6870 | |
MOTT MACDONALD LLC | 10 S LASALLE ST, STE 2520 | CHICAGO | IL | 60603 | (312) 894-5372 | (312) 858-9700 |
MUSE COMMUNITY & DESIGN | 1212 N ASHLAND, 2ND FL | CHICAGO | IL | 60622 | (248) 807-8257 | |
NATURAL RESOURCE TECHNOLOGY INC | 300 S WACKER DR, STE 1300 | CHICAGO | IL | 60606 | (312) 465-1740 | (414) 837-3608 |
NEWLOOP ENERGY | 1 S DEARBORN, STE 2100 | CHICAGO | IL | 60603 | (847) 338-6768 | (773) 467-8575 |
NORTH AMERICA PROCUREMENT COUNCIL | P O BOX 40445 | GRAND JUNCTION | CO | 81504 | (302) 450-1923 | (302) 450-1925 |
NV5 | 32 OLD SLIP | NEW YORK | NY | 10005 | (646) 795-3634 | |
OPTIRTC, INC | 356 BOYLSTON ST, 2ND FLR | BOSTON | MA | 02116 | (844) 678-5024 | (617) 507-8912 |
PERALTE-CLARK LLC | 171 W WING ST STE 204B | ARLINGTON HEIGHTS | IL | 60005 | (312) 965-9845 | |
PRIME VENDOR INC | 4622 CEDAR AVE, BLDG 5, STE 123 | WILMINGTON | NC | 28403-6916 | (800) 746-9554 | (910) 726-1973 |
PRIMERA CONSTRUCTION GROUP LLC | 100 S WACKER DR, STE 700 | CHICAGO | IL | 60606 | (312) 242-6301 | (312) 606-0415 |
PRIMERA ENGINEERS LTD | 550 W JACKSON BLVD, STE 600 | CHICAGO | IL | 60661 | (312) 606-0910 | (312) 606-0415 |
QUIGG ENGINEERING INC. | 111 S WACKER DR, STE 3910 | CHICAGO | IL | 60606 | (217) 670-0563 | (217) 245-5398 |
RATIO DESIGN | 30 W MONROE ST | CHICAGO | IL | 60603 | (312) 763-7023 | (312) 465-2359 |
RJN GROUP INC | 2655 WARRENVILLE RD, SUITE 225 | DOWNERS GROVE | IL | 60515 | (630) 682-4700 | (630) 682-4754 |
RME | 200 S MICHIGAN AVE, STE 1500 | CHICAGO | IL | 60604 | (312) 870-6607 | (312) 663-1473 |
ROBINSON ENGINEERING LTD | 10045 W LINCOLN HWY, US RTE 30 | FRANKFORT | IL | 60423 | (815) 806-0300 | (815) 806-0301 |
R-SQUARE CORRELATIONS INC | 900 NATIONAL PKWY, STE 470 | SCHAUMBURG | IL | 60173 | (630) 326-3800 | (800) 472-1714 |
SDIENGR CORP | 309 W WASHINGTON, STE 325 | CHICAGO | IL | 60606 | (312) 551-9580 | (312) 51-9789 |
SIMPSON GUMPERTZ & HEGER | 135 S LASALLE ST, #3800 | CHICAGO | IL | 60603 | (312) 754-7466 | (312) 754-7501 |
SMITHGROUPJJR INC | 35 E WACKER DR, STE 2200 | CHICAGO | IL | 60601 | (312) 641-0770 | (312) 641-6728 |
SPAAN TECH INC | 311 S WACKER DR, STE 2400 | CHICAGO | IL | 60606 | (312) 277-8800 | (999) 999-9999 |
STANLEY CONSULTANTS INC | 8501 W HIGGINS RD, STE 730 | CHICAGO | IL | 60631 | (773) 693-9624 | (773) 693-7690 |
STANTEC CONSULTING SERVICES INC | 6605 W STEGER RD | MONEE | IL | 60449 | (708) 627-8018 | (999) 999-9999 |
STRAND ASSOCIATES INC | 1170 S HOUBOLT RD | JOLIET | IL | 60431 | (815) 744-4200 | (608) 251-8655 |
TERRA ENGINEERING LTD | 225 W OHIO ST, STE 400 | CHICAGO | IL | 60654-7851 | (312) 467-0123 | (312) 467-0220 |
TGDA LANDSCAPE ARCHITECTURE PLLC | 3233 W LEMOYNE ST, #1 | CHICAGO | IL | 60651 | (312) 481-8432 | |
THE ANTERO GROUP LLC | 1212 N ASHLAND AVE | CHICAGO | IL | 60622 | (312) 772-5085 | (312) 456-7899 |
V3 COMPANIES LTD, D/B/A V3 WETLAND | 7325 JANES AVE | WOODRIDGE | IL | 60517 | (630) 724-9200 | (630) 724-9202 |
V3IT CONSULTING INC | 1717 N NAPER BVD, STE 103 | NAPERVILLE | IL | 60563 | (630) 245-914... | (630) 245-1401 |
WBK ENGINEERING LLC | 116 WEST MAIN ST, STE 201 | ST CHARLES | IL | 60174 | (630) 443-7755 | (630) 443-0533 |
WSP USA INC | 30 N LASALLE ST, SUITE 4200 | CHICAGO | IL | 60602 | (312) 782-8150 | (312) 782-1684 |