| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| A & D PROPERTY SERVICES | 7346 S EXCHANGE AVE | CHICAGO | IL | 60649 | (773) 933-7840 | (708) 669-0386 |
| A-1 ROOFING | 1425 CHASE AVE | ELK GROVE VILLAGE | IL | 60007 | (847) 952-3600 | (847) 952-3606 |
| AADVANCED CHICAGO | 2000 CENTER | HOFFMAN ESTATES | IL | 60192 | (630) 294-1494 | (630) 294-1494 |
| ADLER ROOFING & SHEET METAL | 779 JOYCE RD | JOLIET | IL | 60436 | (815) 773-1200 | (815) 773-1207 |
| ANDERSON SHAH ROOFING INC | 23900 COUNTY FARM RD | JOLIET | IL | 60431 | (815) 741-0909 | (815) 741-3565 |
| APRIL BUILDING SERVICES INC | 22W274 IRVING PARK RD | ROSELLE | IL | 60172 | (630) 893-0544 | (630) 622-0452 |
| 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 |
| BUILDERS AVENUE | 1452 E 52ND ST | CHICAGO | IL | 60615 | (708) 232-3919 | (708) 232-3919 |
| CJD STORMWATER SOLUTIONS | 2612 15TH AVE S | MINNEAPOLIS | MN | 55407 | (918) 605-5954 | (503) 214-8340 |
| CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
| CROWTHER CO, R B | 3805 E PINE BLUFF RD | MORRIS | IL | 60450 | (815) 942-6623 | (815) 942-1572 |
| DATABID | 433 PENN ST | NEWTOWN | PA | 18940 | (888) 929-3282 | (888) 929-9293 |
| DCG ROOFING SOLUTIONS INC | 2045 JANICE AVE | MELROSE PARK | IL | 60160 | (847) 296-6611 | (999) 999-9999 |
| DRYDON EQUIPMENT INC | 2445 WESTFIELD DR, STE 100 | ELGIN | IL | 60124-7840 | (224) 629-4060 | (224) 629-4061 |
| 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 |
| F&G ROOFING COMPANY LLC | 7322 ARCHER RD | JUSTICE | IL | 60458 | (708) 597-5338 | (708) 462-4144 |
| FGA POWERED BY GOVCONNECT LLC | 8180 WOODLAND CTR | TAMPA | FL | 33614 | (833) 902-0436 | (833) 902-0436 |
| G.E. RIDDIFORD CO. | 2333 HAMILTON RD | ARLINGTON HTS | IL | 60005 | (847) 437-5771 | (847) 437-5961 |
| GARLAND/DBS INC | 3800 E 91ST ST | CLEVELAND | OH | 44105 | (216) 430-3513 | (216) 883-2055 |
| HUUSO EXTERIORS | 10204 BODE ST | PLAINFIELD | IL | 60585 | (726) 231-4219 | (855) 625-7663 |
| JUDLAU CONTRACTING INC | 1011 WARRENVILLE RD, STE 475 | LISLE | IL | 60532 | (718) 554-2320 | (331) 777-5771 |
| KNICKERBOCKER ROOFING & PAVING | 16851 S LATHROP AVE | HARVEY | IL | 60426 | (708) 339-7260 | (708) 339-3806 |
| KORELLIS ROOFING INC | 1333 169TH ST | HAMMOND | IN | 46324 | (219) 844-1400 | (219) 844-0500 |
| L MARSHALL INC | 2100 LEHIGH RD | GLENVIEW | IL | 60026 | (847) 724-5400 | (847) 724-7306 |
| M W POWELL CO | 3445 S LAWNDALE AVE | CHICAGO | IL | 60623 | (773) 247-7438 | (773) 247-7441 |
| MALCOR ROOFING CO | 1850 DEAN ST | ST CHARLES | IL | 60174 | (630) 896-6479 | (630) 896-6597 |
| MAMAN CORP | 1055 ARTHUR AVE | ELK GROVE VILLAGE | IL | 60007 | (847) 812-1745 | (847) 358-2682 |
| MAZARINI INC | 100 S BUFFALO GROVE RD, STE 208 | BUFFALO GROVE | IL | 60089 | (773) 707-7170 | (312) 210-9562 |
| MGM | 8221 W 133RD ST | ORLAND PARK | IL | 60462 | (708) 624-8951 | (708) 624-8951 |
| MJS | 1301 W 22ND | OAK BROOK | IL | 60523 | (833) 626-3700 | (833) 626-3700 |
| NORTH AMERICA PROCUREMENT COUNCIL | P O BOX 40445 | GRAND JUNCTION | CO | 81504 | (302) 450-1923 | (302) 450-1925 |
| PAUL BORG CONSTRUCTION CO | 2007 S MARSHALL BLVD | CHICAGO | IL | 60623 | (773) 523-1111 | (773) 376-1501 |
| POWERS & SONS CONSTRUCTION CO | 2636 W 15TH AVE | GARY | IN | 46404-2195 | (219) 949-3100 | (219) 949-5906 |
| ROBERTS RESTORATIONS | 43420 US ROUTE 45 | ANTIOCH | IL | 60002 | (847) 838-6125 | (847) 838-6125 |
| ROYAL CRANE SERVICE INC | 3950 W 155TH ST | MARKHAM | IL | 60428 | (708) 974-0832 | (708) 974-0865 |
| SEVEN OUTSOURCE | 113 BARKSDALE PROFESSIONAL CTR | NEWARK | DE | 19711 | (315) 308-7852 | (315) 702-0205 |
| 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 |
| SULLIVAN ROOFING INC | 60 EAST STATE PARKWAY | SCHAUMBURG | IL | 60173 | (847) 908-1000 | (847) 908-1099 |
| SYNNOV GROUP INC | 8604 W CATALPA AVE, STE 901 | CHICAGO | IL | 60656 | (312) 929-2217 | (312) 929-2217 |
| TYLER LANE CONSTRUCTION INC | 6250 N RIVER RD, STE 5050 | ROSEMONT | IL | 60018 | (312) 691-2363 | (773) 588-3600 |