| Company Name | Address | City | State | Zip Code | Phone Number | Fax Number |
| 3CD CORPORATION | 18600 LARAMIE LANE | COUNTRY CLUB HILLS | IL | 60478 | (773) 931-1268 | (708) 991-7118 |
| AGAE CONTRACTORS, INC. | 189 GORDON ST | ELK GROVE VILLAGE | IL | 60007 | (773) 777-2240 | (773) 777-2243 |
| AHAVA SERVICES | 4320 WINFIELD RD, STE 200 | SCHAUMBURG | IL | 60173 | (630) 660-5961 | (999) 999-9999 |
| ANCHOR HEAVY CIVIL LLC | 312 N MAY ST, STE 100 | CHICAGO | IL | 60607 | (708) 765-3967 | 999-999-9999 |
| ANCHOR MECHANICAL INC | 255 N CALIFORNIA | CHICAGO | IL | 60612 | (312) 492-6994 | (312) 492-6996 |
| ANDERSON & SHAH ROOFING INC | 23900 COUNTY FARM RD | JOLIET | IL | 60431 | (815) 741-0909 | (815) 741-3565 |
| ANGSTROM LLC | 4455 S KING DR, SUITE 101B | CHICAGO | IL | 60653 | (913) 972-6779 | (913) 972-6779 |
| AUTUMN CONSTRUCTION SERVICES INC | 87 EISENHOWER LANE SOUTH | LOMBARD | IL | 60148 | (630) 588-9585 | (630) 588-9586 |
| BCE-USA LLC | 3500 MARTENS ST | FRANKLIN PARK | IL | 60131 | (815) 556-8037 | (815) 556-8076 |
| 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 |
| BRACKENBOX ROLL OFF SERVICE | 2300 W 167TH ST | MARKHAM | IL | 60426 | (773) 298-9161 | (708) 331-4212 |
| CATHODIC PROTECTION MGMT INC | 39W960 MIDAN DR | ELBURN | IL | 60119 | (630) 313-5784 | (999) 999-9999 |
| CHICAGOLAND | PO BOX 3533 | PEORIA | IL | 61612 | (309) 401-6167 | (309) 401-6168 |
| CONSTRUCTION INC | 449 EISENHOWER LN S | LOMBARD | IL | 60148 | (630) 491-4738 | (000) 000-0000 |
| DREAM DESIGN | 13811 CICERO | CRESTWOOD | IL | 60418 | (708) 248-4412 | (708) 248-4412 |
| E.REPUBLIC | 100 BLUE RAVINE RD | FOLSOM | CA | 95630 | (916) 932-1300 | (916) 932-1470 |
| ECONVERGE | 7300 STATE HYWY 121, SUITE 3121 | MCKINNEY | TX | 75070 | (469) 290-7488 | (469) 290-7488 |
| ENGER-VAVRA INC | 3406 MARTENS ST | FRANKLIN PARK | IL | 60131 | (847) 306-2820 | (847) 678-4252 |
| FH PASCHEN | 5515 N EAST RIVER RD | CHICAGO | IL | 60656 | (312) 590-8121 | (773) 693-0064 |
| FH PASCHEN, SN NIELSEN & | 5515 N EAST RIVER RD | CHICAGO | IL | 60656-1113 | (773) 444-3474 | (773) 693-0064 |
| GAF | 1 CAMPUS DR | PARSIPPANY | NJ | 07054 | (877) 423-7663 | (877) 423-7663 |
| GALE CONSTRUCTION CO OF IL | 51 W JACKSON ST, SUITE 230 | JOLIET | IL | 60432 | (815) 722-4253 | (999) 999-9999 |
| GORDIAN GROUP, THE | 22206 CHERIE CT | RICHTON PARK | IL | 60471 | (312) 366-0611 | (708) 692-0854 |
| J A WATTS INC | 1011 WARRENVILLE RD, SUITE 60 | LISLE | IL | 60532 | (800) 654-6145 | (999) 999-9999 |
| JOHN BURNS CONSTRUCTION COMPANY LLC | 999 OAKMONT PLAZA DR, SUITE 400 | WESTMONT | IL | 60559 | (708) 326-3500 | (000) 000-0000 |
| LEOPARDO COMPANIES INC | 120 S RIVERSIDE PLAZA, SUITE 2150 | CHICAGO | IL | 60606 | (224) 279-7367 | (847) 783-3001 |
| MAMAN CORP | 1055 ARTHUR AVE | ELK GROVE VILLAGE | IL | 60007 | (847) 812-1745 | (847) 358-2682 |
| MCDONAGH DEMOLITION INC | 7243 W TOUHY AVE | CHICAGO | IL | 60631 | (773) 276-7707 | (773) 276-7723 |
| MJS | 1301 W 22ND | OAK BROOK | IL | 60523 | (833) 626-3700 | (833) 626-3700 |
| NKP METALS LLC | 3040 W CARROLL AVE | CHICAGO | IL | 60612 | (715) 220-8478 | (715) 220-8478 |
| OLIVER KENNEDY CONSULTING | 2975 NORTHCLIFF DRIVE | SUWANEE | GA | 30024 | 678-400-7679 | 678-400-7679 |
| PACIFIC CONSTRUCTION SERVICES LLC | 5511 N CUMBERLAND AVE, STE 608 | CHICAGO | IL | 60656 | (773) 290-1600 | (773) 290-1578 |
| PATH CONSTRUCTION COMPANY INC | 125 E ALGONQUIN RD | ARLINGTON HEIGHTS | IL | 60005 | (847) 398-7100 | (847) 398-7101 |
| PAUL BORG CONSTRUCTION CO | 2007 S MARSHALL BLVD | CHICAGO | IL | 60623 | (773) 523-1111 | (773) 376-1501 |
| PAW PALACE ENTERPRIZE | 2739 GLENWOOD DYER RD | LYNWOOD | IL | 60411 | (708) 906-3502 | (708) 757-6119 |
| POWERS & SONS CONSTRUCTION CO | 2636 W 15TH AVE | GARY | IN | 46404-2195 | (219) 949-3100 | (219) 949-5906 |
| PROCESS ENERGY LLC | 191 RIVERSIDE DR | WATERFORD | WI | 53185 | (262) 226-1971 | (999) 999-9999 |
| RKM METALS LLC | 5107 FOREST HILLS CT | LOVES PARK | IL | 61111 | (715) 220-8478 | (815) 282-6542 |
| ROBE CONSTRUCTION INC | 6150 N NORTHWEST HWY | CHICAGO | IL | 60631 | (773) 775-8900 | (773) 775-8910 |
| 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 |
| SMB CONTRACTING INC | 695 EXECUTIVE DR | WILLOWBROOK | IL | 60527 | (708) 752-1824 | (999) 999-9999 |
| STRUXC MC LLC | 2300 W DIVERSEY | CHICAGO | IL | 60647 | (773) 598-8698 | (773) 598-4780 |
| TERRAZAS LLC | 4910 WILSHIRE BLVD | COUNTRY CLUB ILLS | IL | 60478 | (630) 364-9542 | (708) 898-1632 |
| THATCHER FOUNDATIONS INC | 7100 INDUSTRIAL HWY | GARY | IN | 46406 | (773) 721-9797 | (773) 721-1011 |
| TILES IN STYLE, D/B/A TAZA CONSTRUC | 16940 VINCENNES AVE | SOUTH HOLLAND | IL | 60473 | (877) 817-284... | (866) 552-8262 |
| TORI CONSTRUCTION LLC | 4234 W 124TH PLACE | ALSIP | IL | 60803 | (708) 389-1530 | (708) 385-1107 |
| TRINITY CONSULTANTS | 12700 PARK CENTRAL DR, STE 2100 | DALLAS | TX | 75251 | (972) 661-8881 | (972) 385-9203 |
| TWO SIGMA CONSTRUCTION GROUP INC | 520 W ERIE ST, STE 101 | CHICAGO | IL | 60654 | (312) 748-6380 | (312) 748-2680 |
| TYLER LANE CONSTRUCTION INC | 6250 N RIVER RD, STE 5050 | ROSEMONT | IL | 60018 | (312) 691-2363 | (773) 588-3600 |
| UJAMAA CONSTRUCTION INC | 7744 S STONY ISLAND AVE | CHICAGO | IL | 60649 | (773) 374-1300 | (773) 374-1300 |