| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| 5150 INC D/B/A BERG-JOHNSON | 1000 WESTGATE DR, STE 151 | ST PAUL | MN | 55114 | (952) 941-5400 | (999) 999-9999 |
| ADVANCED REHABILITATION | 525 WINZELER DR, UNIT 1 | BRYAN | OH | 43506 | (419) 636-2684 | (419) 636-7437 |
| ALDEA SERVICES INC | 5940 FREDERICK CROSSING LN, STE 101 | FREDERICK | MD | 21704 | (301) 355-9703 | (301) 355-9705 |
| BENCHMARK CONSTRUCTION CO INC | 2260 SOUTHWIND BLVD | BARTLETT | IL | 60103 | (630) 497-1700 | (630) 497-1737 |
| BIDNET | 20A RAILROAD AVE | ALBANY | NY | 12205 | (800) 677-1997 | (518) 438-0599 |
| BLASTONE | 4510 BRIDGEWAY AVE | COLUMBUS | OH | 43219 | (614) 476-3000 | (614) 476-6939 |
| BLINDERMAN CONSTRUCTION CO INC | 224 N DESPLAINES STREET, STE 650 | CHICAGO | IL | 60661 | (773) 444-0500 | (312) 496-3047 |
| BROADWAY ELECTRIC INC | 500 W ALGONQUIN RD | MT. PROSPECT | IL | 60056 | (847) 593-0001 | (847) 593-0010 |
| CHAMPION PAINTING SPECIALTY | 130 SW 22ND ST | FT LAUDERDALE | FL | 33315 | (845) 444-5260 | (954) 462-9089 |
| CHICAGOLAND | PO BOX 3533 | PEORIA | IL | 61612 | (309) 401-6167 | (309) 401-6168 |
| CITY LIGHTS LTD | 9993 VIRGINIA AVE | CHGO RIDGE | IL | 60415 | (773) 626-9162 | (773) 626-8310 |
| CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
| COORDINATED SYSTEMS CONSULTING | 4041 N MILWAUKEE AVE, 3RD FL | CHICAGO | IL | 60641 | (571) 296-4326 | |
| DATABID | 433 PENN ST | NEWTOWN | PA | 18940 | (888) 929-3282 | (888) 929-9293 |
| DELVE UNDERGROUND | 200 S WACKER DR | CHICAGO | IL | 60606 | (847) 322-9784 | (708) 512-4088 |
| DUKES ROOT CONTROL INC | 400 AIRPORT RD, STE E | ELGIN | IL | 60123 | (800) 447-6687 | (999) 999-9999 |
| ENVIRONMENTAL DESIGN INTERNATIONAL | 33 W MONROE ST, STE 1825 | CHICAGO | IL | 60603-5326 | (312) 345-8679 | (312) 345-0529 |
| EPLAN ONLINE PLANROOM | 1400 FORUM BLVD, STE 7B | COLUMBIA | IL | 65203 | (573) 447-7130 | (573) 355-5405 |
| FH PASCHEN | 5515 N EAST RIVER RD | CHICAGO | IL | 60656 | (312) 590-8121 | (773) 693-0064 |
| FYFERFP LLC | 2500 E TC JESTER BLVD, STE 500 | HOUSTON | TX | 77008 | (774) 276-6938 | (855) 708-3617 |
| GEWALT HAMILTON ASSOCIATES INC | 625 FOREST EDGE DR | VERNON HILLS | IL | 60061 | (847) 478-9700 | (847) 478-9701 |
| GREELEY & HANSEN LLC | 100 S WACKER DR, STE 1400 | CHICAGO | IL | 60606 | (800) 837-9779 | (312) 558-1986 |
| GWO TRUCKING INC | 1035 W 111TH ST, UNIT 3 | CHICAGO | IL | 60643 | (708) 330-4425 | (708) 330-4423 |
| HILTI | 2828 N CAMBRIDGE AVE, #103 | CHICAGO | IL | 60657 | (312) 972-1104 | (918) 260-4637 |
| HOERR CONSTRUCTION INC | 1601-D W LUTHY | PEORIA | IL | 61615 | (309) 691-6653 | (309) 691-6739 |
| IHC CONSTRUCTION CO LLC | 385 AIRPORT RD, STE 100 | ELGIN | IL | 60123 | (847) 742-1516 | (847) 742-6610 |
| INLINER SOLUTIONS LLC | 5031 W 66TH ST | BEDFORD PARK | IL | 60638 | (708) 594-6082 | (708) 594-6082 |
| INSITUFORM TECHNOLOGIES USA LLC | 1334 ENTERPRISE DR | ROMEOVILLE | IL | 60446 | (630) 842-8539 | (630) 257-9712 |
| ITT CORP, CHICAGO PRO SERVICES | 6733 W 73RD ST | BEDFORD PARK | IL | 60638 | (708) 563-1220 | (708) 594-2129 |
| JOHN BURNS CONSTRUCTION COMPANY | 999 OAKMONT PLAZA DR, STE 400 | WESTMONT | IL | 60559 | (312) 550-6067 | |
| JUDLAU CONTRACTING INC | 1011 WARRENVILLE RD, STE 475 | LISLE | IL | 60532 | (718) 554-2320 | (331) 777-5771 |
| KIM CONSTRUCTION CO INC | 3142 HOLEMAN, PO BOX 276 | STEGER | IL | 60475 | (708) 754-1181 | (708) 754-1183 |
| LANZO CONSTRUCTION | 28135 GROESBECK HWY | ROSEVILLE | MI | 48066 | (586) 775-5819 | (586) 775-8924 |
| MICHELS CORPORATION | 817 W MAIN ST | BROWNSVILLE | WI | 53006 | (262) 414-4541 | (262) 938-6061 |
| MIXONSITE LLC | 1501 ABBOTT CT | BUFFALO GROVE | IL | 60089 | (847) 415-9601 | (847) 478-0048 |
| NORTH AMERICA PROCUREMENT COUNCIL | P O BOX 40445 | GRAND JUNCTION | CO | 81504 | (302) 450-1923 | (302) 450-1925 |
| PAN OCEANIC ENGINEERING CO INC | 6436 W HIGGINS RD | CHICAGO | IL | 60656 | (773) 601-8408 | (773) 601-8409 |
| PRIME VENDOR INC | 4622 CEDAR AVE, BLDG 5, STE 123 | WILMINGTON | NC | 28403-6916 | (800) 746-9554 | (910) 726-1973 |
| PROSHOT CONCRETE INC | 4158 MUSGROVE DR | FLORENCE | AL | 35630 | (256) 764-5941 | (256) 764-5946 |
| PULLMAN SST, INC | 280 W JEFFERSON AVE | TRENTON | NJ | 48144 | (734) 282-7760 | (734) 282-3801 |
| REYES GROUP LTD | 15515 S CRAWFORD AVE | MARKHAM | IL | 60428 | (708) 596-7100 | (708) 596-7184 |
| ROSSI CONTRACTORS | 201 W LAKE ST | NORTHLAKE | IL | 60164 | (708) 287-1545 | (708) 562-1965 |
| SAK CONSTRUCTION LLC | 864 HOFF RD | OFALLON | MO | 63366 | (636) 385-1031 | (636) 385-1131 |
| SEWERAI | 2815 MITCHELL DR, STE 215 | WALNUT CREEK | CA | 94598 | (313) 980-7960 | (313) 980-7960 |
| SHERIDAN PLUMBING & SEWER INC | 6754 W 74TH ST | BEDFORD PARK | IL | 60638 | (708) 475-7100 | (708) 475-7138 |
| SMARTPROCURE INC | 700 W HILLSBORO BLVD, STE 4-100 | DEERFIELD BEACH | FL | 33441 | (888) 998-8675 | (954) 399-7067 |
| STRUCTURAL TECHNOLOGIES | 955 SORENG AVE, STE 200 | SCHILLER PARK | IL | 60176 | (301) 310-5060 | (714) 897-0163 |
| TERRA ENGINEERING LTD | 225 W OHIO ST, 4TH FL | CHICAGO | IL | 60610 | (312) 467-0123 | (312) 467-0220 |
| TOUGH CUT CONCRETE SERVICES INC | 301 N WHITE ST, SUITE D | FRANKFORT | IL | 60423-4015 | (815) 464-8462 | (815) 464-8469 |
| USA-FORM INC | 3N775 POWIS RD | WEST CHICAGO | IL | 60185 | (630) 513-6046 | (999) 999-9999 |
| VALOR CONSTRUCTION SERVICES | 110 W WOODSTOCK ST, STE A | CRYSTAL LAKE | IL | 60014 | (219) 306-2558 | (219) 306-2558 |
| VETERANS VAC SERVICES | 518 S ROUTE 31 | MCHENRY | IL | 60050 | (805) 307-9648 | (999) 999-9999 |
| VORTEX COMPANIES | 18150 IMPERIAL VALLEY DR | HOUSTON | TX | 77060 | (713) 750-9081 | (833) 247-7943 |
| WEB PRODUCTION & FABRICATING INC | 10359 FRANKLIN AVE | FRANKLIN PARK | IL | 60131 | (312) 733-6800 | (312) 733-6801 |