| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| ALTA ENTERPRISES LLC | 420 NOLEN DR | SOUTH ELGIN | IL | 60177 | (630) 816-5001 | (999) 999-9999 |
| BCE-USA LLC | 3500 MARTENS ST | FRANKLIN PARK | IL | 60131 | (815) 556-8037 | (815) 556-8076 |
| BIDNET | 20A RAILROAD AVE | ALBANY | NY | 12205 | (800) 677-1997 | (518) 438-0599 |
| CENTRAL CALIFORNIA POWER | 19487 BROKEN CT | SHAFTER | | 93263 | (661) 747-8557 | (661) 746-1561 |
| DOETSCH CONTRACTORS INC | 3501 16TH ST | ZION | IL | 60099 | (847) 537-2280 | (000) 000-0000 |
| DREISILKER ELECTRIC MOTORS INC | 352 ROOSEVELT RD | GLEN ELLYN | IL | 60137 | (630) 469-7510 | (999) 999-9999 |
| ENGER-VAVRA INC | 3406 MARTENS ST | FRANKLIN PARK | IL | 60131 | (847) 306-2820 | (847) 678-4252 |
| GFL ENVIRONMENTAL SERVICES USA INC | 19701 S 97TH AVE | MOKENA | IL | 60448 | (708) 479-6900 | (708) 479-6890 |
| HAMILTON CONSTRUCTION | 21200 S LAGRANGE RD, TE 352 | FRANKFORT | IL | 60423 | (773) 830-1550 | (773) 830-1570 |
| INDEP CHICAGO LLC | 4201 W IRVING PARK RD, SUITE 201 | CHICAGO | IL | 60641 | (773) 739-3554 | (773) 916-5591 |
| JOHN KENO & CO INC | 8623 W BRYN MAWR AVE # 501 | CHICAGO | IL | 60631 | (773) 380-0700 | (773) 380-0706 |
| K.L.F. ENTERPRISES INC | 15020 S CICERO AVE, UNIT 201 | OAK FOREST | IL | 60452 | (708) 331-4200 | (708) 333-5466 |
| LINDAHL BROTHERS INC | 622 E GREEN ST | BENSENVILLE | IL | 60106-2579 | (630) 595-1080 | (630) 595-0976 |
| M&J INDUSTRIAL SERVICES LLC | 3124 S 60TH COURT | CICERO | IL | 60804 | (708) 222-1200 | (999) 999-9999 |
| MAT LEASING INC | 4450 S MORGAN ST | CHICAGO | IL | 60609 | (773) 254-3644 | (773) 254-7195 |
| MCGILL CONSTRUCTION LLC | 21227 S 80TH AVE | FRANKFORT | IL | 60423 | (708) 846-7710 | (708) 924-1755 |
| MJS | 1301 W 22ND | OAK BROOK | IL | 60523 | (833) 626-3700 | (833) 626-3700 |
| MT TRANSIT | 4450 S MORGAN ST | CHICAGO | IL | 60609 | (773) 254-3644 | (773) 254-7195 |
| NORTH AMERICA PROCUREMENT COUNCIL | P O BOX 40445 | GRAND JUNCTION | CO | 81504 | (302) 450-1923 | (302) 450-1925 |
| ORION ENGINEERS LLC | 312 N MAY ST, STE 100 | CHICAGO | IL | 60607 | (312) 544-9108 | (999) 999-9999 |
| SMARTPROCURE INC | 700 W HILLSBORO BLVD, STE 4-100 | DEERFIELD BEACH | FL | 33441 | (888) 998-8675 | (954) 399-7067 |
| THE NEWCASTLE COMPANY | 7106 W GRAND AVE | CHICAGO | IL | 60707 | (773) 837-4876 | (999) 999-9999 |
| THERMOSYSTEMS INC | 960 INDUSTRIAL DR, UNIT 1 | ELMHURST | IL | 60126 | (630) 693-0920 | (630) 693-0921 |
| VANEK INC | 3920 S LOOMIS ST | CHICAGO | IL | 60609 | (773) 491-0005 | (773) 254-8730 |