| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| AIR COMFORT LLC | 2550 BRAGA DR | BROADVIEW | IL | 60155 | (708) 774-0582 | (999) 999-9999 |
| 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 |
| CHICAGOLAND | PO BOX 3533 | PEORIA | IL | 61612 | (309) 401-6167 | (309) 401-6168 |
| CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
| DAHME MECHANICAL INDUSTRIES INC | 610 S ARTHUR AVE | ARLINGTON HTS | IL | 60005 | (847) 253-0341 | (847) 253-9501 |
| 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 |
| FH PASCHEN, SN NIELSEN & | 5515 N EAST RIVER RD | CHICAGO | IL | 60656-1113 | (773) 444-3474 | (773) 693-0064 |
| FOUNDATION MECHANICS, LLC | 8604 W CATALPA AVE, STE 907 | CHICAGO | IL | 60656 | 773-234-3087 | 815-301-3738 |
| GEORGE SOLLITT CONSTRUCTION | 185 HANSEN COURT | WOOD DALE | IL | 60191 | (630) 860-7333 | (630) 860-7347 |
| HARD ROCK TECHNOLOGIES INC | 200 SOUTH PKWY | PROSPECT HEIGHTS | IL | 60070-1219 | (847) 727-5400 | 999-999-9999 |
| IES SOLUTION | 13435 KOLMAR AVE | CRESTWOOD | IL | 60445 | (708) 926-9588 | (708) 926-9251 |
| IHC CONSTRUCTION CO LLC | 385 AIRPORT RD, STE 100 | ELGIN | IL | 60123 | (847) 742-1516 | (847) 742-6610 |
| INDEPENDENT MECHANICAL | 2671 UNITED LN | ELK GROVE VILLAGE | IL | 60007 | (773) 243-0575 | (773) 496-8136 |
| INTEGRATED DEMOLITION SERVICE LLC | 1312 PROSPECT AVE | WILLOW SPRINGS | IL | 60480 | (708) 369-7508 | (999) 999-9999 |
| JASON MECHANICAL CORPORATION | 660 COLLINS ST | JOLIET | IL | 60432 | (815) 723-6912 | (815) 723-6882 |
| JOHN BURNS CONSTRUCTION COMPANY LLC | 999 OAKMONT PLAZA DR, SUITE 400 | WESTMONT | IL | 60559 | (708) 326-3500 | (000) 000-0000 |
| JUDLAU CONTRACTING INC | 1011 WARRENVILLE RD, STE 475 | LISLE | IL | 60532 | (718) 554-2320 | (331) 777-5771 |
| MAINSTREAM COMMERCIAL DIVERS INC | 322 C C LOWERY DR | MURRAY | KY | 42071 | (270) 753-9654 | (270) 753-0165 |
| MICHELS TRENCHLESS INC | 817 MAIN ST, PO BOX 128 | BROWNSVILLE | WI | 53006 | (920) 924-4300 | (999) 999-9999 |
| MISFITS CONSTRUCTION COMPANY | PO BOX 803663, 233 S WACKER DR, STE | CHICAGO | IL | 60606 | (312) 420-5041 | (206) 339-3613 |
| NORTH AMERICA PROCUREMENT COUNCIL | P O BOX 40445 | GRAND JUNCTION | CO | 81504 | (302) 450-1923 | (302) 450-1925 |
| NOVASPECT INC | 1124 TOWER RD | SCHAUMBURG | IL | 60173 | (708) 362-0285 | (847) 885-8200 |
| PATH CONSTRUCTION COMPANY INC | 125 E ALGONQUIN RD | ARLINGTON HEIGHTS | IL | 60005 | (847) 398-7100 | (847) 398-7101 |
| PETERSON AND MATZ, INC. | 757 S 8TH ST | WEST DUNDEE | IL | 60118 | (847) 844-4405 | (847) 844-4409 |
| QUANTUM CROSSINGS LLC | 111 E WACKER DR, STE 990 | CHICAGO | IL | 60601-4304 | (312) 467-0065 | (312) 467-0340 |
| SMARTPROCURE INC | 700 W HILLSBORO BLVD, STE 4-100 | DEERFIELD BEACH | FL | 33441 | (888) 998-8675 | (954) 399-7067 |
| SULLWOOD INC | 600 N ALBANY, STE 1R | CHICAGO | IL | 60612-1004 | (312) 810-8757 | (999) 999-9999 |
| VICTAULIC | 4901 KESSLERSVILLE RD | EASTON | PA | 18040 | (616) 450-6358 | (999) 999-9999 |