| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| AIR SERVICES COMPANY | 211 SEEGERS AVE | ELK GROVE VILLAGE | IL | 60007 | (847) 725-2100 | (847) 228-1230 |
| AUTUMN CONSTRUCTION SERVICES INC | 87 EISENHOWER LANE SOUTH | LOMBARD | IL | 60148 | (630) 588-9585 | (630) 588-9586 |
| BIDNET | 20A RAILROAD AVE | ALBANY | NY | 12205 | (800) 677-1997 | (518) 438-0599 |
| BLACKRIDGE RESEARCH & CONSULTING | 4041 W HOLLOW CREEK DR | PEORIA | IL | 61615 | (917) 993-7467 | (917) 993-7467 |
| BULLOCK LOGAN & ASSOCIATES INC | 169 CROSSEN AVE | ELK GROVE VILLAGE | IL | 60007 | (847) 434-1200 | (847) 434-1195 |
| CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
| CRAFT MECHANICAL LLC | 4639 W ARMITAGE AVE | CHICAGO | IL | 60639 | (630) 863-3371 | (999) 999-9999 |
| DAIGGER, A WEBER SCIENTIFIC CO INC | 1425 MCHENRY RD, SUITE 209 | BUFFALO GROVE | IL | 60089 | (800) 621-7193 | (800) 320-7200 |
| DATABID | 433 PENN ST | NEWTOWN | PA | 18940 | (888) 929-3282 | (888) 929-9293 |
| EPLAN ONLINE PLANROOM | 1400 FORUM BLVD, STE 7B | COLUMBIA | IL | 65203 | (573) 447-7130 | (573) 355-5405 |
| FISHER SCIENTIFIC COMPANY LLC | 300 INDUSTRY DR | PITTSBURGH | PA | 15275 | (412) 328-975... | (999) 999-9999 |
| GLOBAL WATER TECHNOLOGY INC | 354 W ARMORY DR | SOUTH HOLLAND | IL | 60473 | (708) 349-9991 | (708) 349-9995 |
| IDEAL HEATING CO | 9515 SOUTHVIEW AVE | BROOKFIELD | IL | 60513 | (708) 680-5000 | (708) 680-5007 |
| INDEPENDENT MECHANICAL | 2671 UNITED LN | ELK GROVE VILLAGE | IL | 60007 | (773) 243-0575 | (773) 496-8136 |
| INDI ENTERPRISE INC | 535 CHIPPEWA TR | CAROL STREAM | IL | 60188-1589 | (630) 462-6980 | (630) 868-3861 |
| JASON MECHANICAL CORPORATION | 660 COLLINS ST | JOLIET | IL | 60432 | (815) 723-6912 | (815) 723-6882 |
| JOHNSON CONTROLS INC | 3007 MALMO DR | ARLINGTON HEIGHTS | IL | 60005 | (847) 545-5623 | (847) 364-1536 |
| NASSAU TRADING INC | 5718 37TH AVE, APT 3 | WOODSIDE | NY | 11377 | (929) 462-4043 | (929) 462-4043 |
| NOOR ASSOCIATES INC | 4677 W PETERSON AVE | CHICAGO | IL | 60646 | (773) 366-0592 | 999-999-9999 |
| ORION GROUP ASTRA SUB TOPCO LLC dba | 2401 INTERNAITONALE PKWY, UNIT C | WOODRIDGE | IL | 60517 | (708) 774-0582 | (999) 999-9999 |
| POWERS & SONS CONSTRUCTION CO | 2636 W 15TH AVE | GARY | IN | 46404-2195 | (219) 949-3100 | (219) 949-5906 |
| SCHNEIDER ELECTRIC USA | ONE BOSTON PLACE, STE 2700 | BOSTON | MA | 02108 | (314) 330-7807 | (999) 999-9999 |
| SIEMENS INDUSTRY INC | 1701 GOLF ROAD, STE 3-500 | ROLLING MEADOWS | IL | 60008 | (847) 803-2700 | (847) 803-2733 |
| SMARTPROCURE INC | 700 W HILLSBORO BLVD, STE 4-100 | DEERFIELD BEACH | FL | 33441 | (888) 998-8675 | (954) 399-7067 |
| STEEL SERVICES ENTERPRISES INC | 17500 S PAXTON AVE | LANSING | IL | 60438 | (847) 226-4533 | (708) 418-1639 |
| THE STONE GROUP INC | 900 S CAMPBELL AVE | CHICAGO | IL | 60612 | (773) 638-2758 | (312) 492-6996 |
| TILES IN STYLE, D/B/A TAZA CONSTRUC | 16940 VINCENNES AVE | SOUTH HOLLAND | IL | 60473 | (877) 817-284... | (866) 552-8262 |
| WINDY CITY REPRESENTATIVES LLC | 200 WINDSOR DRIVE | OAK BROOK | IL | 60523 | (630) 590-6933 | (630) 571-4110 |