| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| ANCHOR MECHANICAL INC | 255 N CALIFORNIA | CHICAGO | IL | 60612 | (312) 492-6994 | (312) 492-6996 |
| APEX LABORATORY EQUIPMENT | PO BOX 22 | RED WING | MN | 55066 | (866) 522-1384 | (866) 217-0289 |
| AUTUMN CONSTRUCTION SERVICES INC | 87 EISENHOWER LANE SOUTH | LOMBARD | IL | 60148 | (630) 588-9585 | (630) 588-9586 |
| BETON CONSTRUCTION CO | 1415 W 37TH ST, #200 DOOR A | CHICAGO | IL | 60609 | (773) 823-1145 | (773) 823-1836 |
| BIDNET | 20A RAILROAD AVE | ALBANY | NY | 12205 | (800) 677-1997 | (518) 438-0599 |
| BORNQUIST INC | 7050 N LEHIGH | CHICAGO | IL | 60646 | (773) 763-6534 | (773) 763-6534 |
| CONSTRUCT CONNECT | 30 TECHNOLOGY PKWY S, STE 100 | NORCROSS | GA | 30092 | (800) 364-2059 | (866) 570-8187 |
| DELTA-THERM CORPORATION | 6711 SANDS RD | CRYSTAL LAKE | IL | 60014 | (847) 526-2407 | (847) 526-4456 |
| ELAM INC | 1400 RENAISSANCE DR, STE 403 | PARK RIDGE | IL | 60068 | (847) 823-5400 | (847) 823-5455 |
| HARTWIG PLUMBING & HEATING INC | 20800 E BRINK ST | HARVARD | IL | 60033 | (815) 943-4430 | (815) 943-4490 |
| HILTI | 2828 N CAMBRIDGE AVE, #103 | CHICAGO | IL | 60657 | (312) 972-1104 | (918) 260-4637 |
| 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 | |
| KELSO-BURNETT CO | 5200 NEWPORT DR | ROLLING MEADOWS | IL | 60008 | (847) 259-0720 | (847) 483-3887 |
| MILHOUSE ENGINEERING & | 333 S WABASH AVE, STE 2901 | CHICAGO | IL | 60604 | (773) 661-8437 | (630) 519-4527 |
| 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 |
| WAYNE PRODUCTS AQUISITION CO LLC | 888 SUSSEX BLVD | BROOMALL | PA | 19008 | (800) 255-5665 | (610) 251-0948 |