| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| ALLIANCE CONTRACTORS | 1166 LAKE AVE | WOODSTOCK | IL | 60098 | (815) 338-5900 | (815) 338-9109 |
| ANAGNOS DOOR CO | 7600 S ARCHER RD | JUSTICE | IL | 60458 | (708) 728-9000 | (708) 728-9026 |
| ANCHOR SEALS LLC | 920 SECOND AVE, SUITE A | CORAOPOLIS | PA | 15108 | (412) 299-6900 | (412) 299-6559 |
| AREATHA CONSTRUCTION CO INC | 410 E NORTH AVE | STREAMWOOD | IL | 60107 | (630) 830-9853 | (630) 830-9856 |
| BIDNET | 15 BRITISH AMERICAN BLVD | LATHAM | NY | 12110 | (518) 438-009... | (518) 689-7038 |
| BLACKRIDGE RESEARCH & CONSULTING | 4041 W HOLLOW CREEK DR | PEORIA | IL | 61615 | (917) 993-7467 | (917) 993-7467 |
| BLINDERMAN CONSTRUCTION CO INC | 224 N DESPLAINES STREET, STE 650 | CHICAGO | IL | 60661 | (773) 444-0500 | (312) 496-3047 |
| BP & T CONSTRUCTION | 119 S. EMERSON ST | MOUNT PROSPECT | IL | 60056 | 847-772-7071 | |
| CALUMET TESTING SVCS INC | 1945 N GRIFFITH BLVD | GRIFFITH | IN | 46319 | (219) 923-9800 | (219) 923-0990 |
| CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
| DATABID | 433 PENN ST | NEWTOWN | PA | 18940 | (888) 929-3282 | (888) 929-9293 |
| ENVIRONMENT MECHANICAL SERVICES INC | 2500 S 27TH AVE | BROADVIEW | IL | 60155 | (708) 345-1555 | (708) 681-8574 |
| EPLAN ONLINE PLANROOM | 1400 FORUM BLVD, STE 7B | COLUMBIA | IL | 65203 | (573) 447-7130 | (573) 355-5405 |
| ERA VALDIVIA CONTRACTORS INC | 11909 S AVE O | CHICAGO | IL | 60617 | (773) 721-9350 | (773) 721-8027 |
| FILTER SERVICE, INC | 25 HOWARD | DESPLAINES | IL | 60018 | 847-616-8710 | 847-616-8715 |
| FORSGREN CONSTRUCTION COMPANY LLC | 1591 HICKORY TRACE DR. | STEVENSVILLE | MI | 49127-9698 | 269-281-7423 | 616-453-4985 |
| FOUNDATION MECHANICS, LLC | 8604 W CATALPA AVE, STE 907 | CHICAGO | IL | 60656 | 773-234-3087 | 815-301-3738 |
| GABY IRON AND METAL | 2611 EAST END AVE | CHICAGO HEIGHTS | IL | 60411 | (708) 755-1930 | (708) 755-1934 |
| GRANITE CONSTRUCTION CO | 1011 E TOUHY AVE, STE 500 | DES PLAINES | IL | 60018 | (847) 919-8200 | (866) 736-9487 |
| IL CONSTRUCTORS CORP | 39W866 FABYAN PKWY | ELBURN | IL | 60119-9801 | (630) 232-7384 | (630) 232-7281 |
| INTEGRATED ENVIRONMENTAL | 13435 KOLMAR AVE | CRESTWOOD | IL | 60445 | (708) 926-9588 | (708) 926-9251 |
| K-FIVE CONSTRUCTION CORP | 999 OAKMONT PLAZA DR, STE 200 | WESTMONT | IL | 60559-5517 | (630) 257-5600 | (630) 257-6788 |
| MCDONAGH DEMOLITION INC | 7243 W TOUHY AVE | CHICAGO | IL | 60631 | (773) 276-7707 | (773) 276-7723 |
| MCNDT PIPELINE LTD | PO BOX 545 | CHANNAHON | IL | 60410 | (815) 467-5200 | (866) 788-4919 |
| MIDWEST REM ENTERPRISES INC | 2601 W LEMOYNE | MELROSE PARK | IL | 60160 | (708) 345-8099 | (708) 345-8196 |
| NORTH AMERICA PROCUREMENT COUNCIL | P O BOX 40445 | GRAND JUNCTION | CO | 81504 | (302) 450-1923 | (302) 450-1925 |
| PATH CONSTRUCTION COMPANY INC | 125 E ALGONQUIN RD | ARLINGTON HEIGHTS | IL | 60005 | (847) 398-7100 | (847) 398-7101 |
| PATRICK ENGINEERING INC | 4970 VARSITY DR | LISLE | IL | 60532 | (630) 795-7200 | (630) 795-7284 |
| PRIME VENDOR INC | 4622 CEDAR AVE, BLDG 5, STE 123 | WILMINGTON | NC | 28403-6916 | (800) 746-9554 | (910) 726-1973 |
| SMARTPROCURE INC | 700 W HILLSBORO BLVD, STE 4-100 | DEERFIELD BEACH | FL | 33441 | (888) 998-8675 | (954) 399-7067 |
| TERRAZAS LLC | 4656 WEST OFFNER RD | MONEE | IL | 60449 | (630) 364-9542 | (708) 898-1632 |
| TRANSYSTEMS | 2443 WARRENVILLE RD, STE 210 | LISLE | IL | 60532 | (630) 432-5135 | (312) 276-4805 |