| BCBoren Clay Products Company | Monroe | NC | — | ◇ UNVERIFIED |
| BCBoren Clay Products - Roseboro | Roseboro | NC | — | ◇ UNVERIFIED |
| BTBorgwarner Thermal Systems - Fletcher Plant | Fletcher | NC | — | ◇ UNVERIFIED |
| BCBoston Communications Group | Bedford | MA | — | ◇ UNVERIFIED |
| BTBoston Trailer Manufacturing Company | Walpole | MA | — | ◇ UNVERIFIED |
| BDBoulder Designs | Rantoul | IL | — | ◇ UNVERIFIED |
| BSBoulder Steel, INC | Broomfield | CO | — | ◇ UNVERIFIED |
| BFBrad Foote Gear Works Inc/neville Twp | Pittsburgh | PA | — | ◇ UNVERIFIED |
| BCBradley CORP | Germantown | WI | — | ◇ UNVERIFIED |
| BABrandis Aircraft | Taylorville | IL | — | ◇ UNVERIFIED |
| BTBranton Tools Machine Shop | Bossier City | LA | — | ◇ UNVERIFIED |
| BSBrian & Stephanie Maglish | South Bend | IN | — | ◇ UNVERIFIED |
| BWBrian Wronke | Saint Joseph | IL | — | ◇ UNVERIFIED |
| BTBrick & Tile CORP Plant 1 | Lawrenceville | VA | — | ◇ UNVERIFIED |
| BOBridge #13 Over Mississinewa Reservoir ( | Somerset | IN | — | ◇ UNVERIFIED |
| BCBridgewater Correctional Complex | Bridgewater | MA | — | ◇ UNVERIFIED |
| BEBrierton Engineering | Abilene | KS | — | ◇ UNVERIFIED |
| BRBriggs R a CO | Lake Zurich | IL | — | ◇ UNVERIFIED |
| BGBright Glow Candle CO | Pomona | CA | — | ◇ UNVERIFIED |
| BNBright N Ready Signs & Awnings | Englewood | FL | — | ◇ UNVERIFIED |
| BMBrite-o-matic Manufacturing INC | Arlington Heights | IL | — | ◇ UNVERIFIED |
| BBBrk Brands INC | Aurora | IL | — | ◇ UNVERIFIED |
| BPBrown Paper Goods | Waukegan | IL | — | ◇ UNVERIFIED |
| BOBruce Oakley INC | Ottawa | IL | — | ◇ UNVERIFIED |
| BIBrudi INC Kelso | Kelso | WA | — | ◇ UNVERIFIED |
| BBBrundage Bone Concrete | Kent | WA | — | ◇ UNVERIFIED |
| BBBuckeye Barnett Station | Litchfield | IL | — | ◇ UNVERIFIED |
| BBBuckner Barrels & Drums INC | Springville | AL | — | ◇ UNVERIFIED |
| BGBuffalo Grove Village of Public Svc Ctr | Buffalo Grove | IL | — | ◇ UNVERIFIED |
| BWBulaw Welding | Chicago | IL | — | ◇ UNVERIFIED |
| BTBulldog Trailers | Chehalis | WA | — | ◇ UNVERIFIED |
| BRBull Run Machine and Welding | Knoxville | TN | — | ◇ UNVERIFIED |
| BNBunge North America INC | Old Shawneetown | IL | — | ◇ UNVERIFIED |
| BIBurtman Iron Works | Boston | MA | — | ◇ UNVERIFIED |
| BFBurt's Furniture | E Longmeadow | MA | — | ◇ UNVERIFIED |
| BPBusche Performance Group, Dba Mobex Global - Plant 9 | Albion | IN | — | ◇ UNVERIFIED |
| BPBushe Performance Group, Dba Mobex Global - Plant 2 | Edon | OH | — | ◇ UNVERIFIED |
| BEButcher Engineering Enterprises | Brownstown | MI | — | ◇ UNVERIFIED |
| CCCaddell Construction | Rockford | IL | — | ◇ UNVERIFIED |
| CCCadie Car Hauling | Belvidere | IL | — | ◇ UNVERIFIED |
| CCCaitec CORP. | Baltimore | MD | — | ◇ UNVERIFIED |
| CCCajon CO Aurora | Aurora | OH | — | ◇ UNVERIFIED |
| CUCalderys Usa, INC. (formerly Spar Inc) | Jacksonville | AL | — | ◇ UNVERIFIED |
| CPCalibrated Power Solutions | Marengo | IL | — | ◇ UNVERIFIED |
| CACalumet Armature & Electric LLC | Riverdale | IL | — | ◇ UNVERIFIED |
| CRCalumet River Terminal | Chicago | IL | — | ◇ UNVERIFIED |
| CRCambridge Rindge & Latin High School | Cambridge | MA | — | ◇ UNVERIFIED |
| CPCampus Plaza | Hadley | MA | — | ◇ UNVERIFIED |
| CECandle Essence | Gatlinburg | TN | — | ◇ UNVERIFIED |
| CBCanon Business Machines INC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| CMCanton Manufacturing CORP. | Canton | MI | — | ◇ UNVERIFIED |
| CCCapitol City Metals, LLC - Shredding Yar | Indianapolis | IN | — | ◇ UNVERIFIED |
| CLCapstone Logistics | Joliet | IL | — | ◇ UNVERIFIED |
| CICarboloy INC | Warren | MI | — | ◇ UNVERIFIED |
| CICardinal Ig Site | Spring Green | WI | — | ◇ UNVERIFIED |
| CRCardinal Rotar | Spring Green | WI | — | ◇ UNVERIFIED |
| CMCarolina Machine Finishing | North Charleston | SC | — | ◇ UNVERIFIED |
| CPCarpenter & Paterson INC | Saddle Brook Twp | NJ | — | ◇ UNVERIFIED |
| CSCarri Scharf Materials INC | Bartonville | IL | — | ◇ UNVERIFIED |
| CLCarr Lumber & Manufacturing CO | Bedford Park | IL | — | ◇ UNVERIFIED |
| CCCastaic Clay Manufacturing Company Incorporated | Castaic | CA | — | ◇ UNVERIFIED |
| CICaterpillar INC | Peoria | IL | — | ◇ UNVERIFIED |
| CICaterpillar INC | Peoria | IL | — | ◇ UNVERIFIED |
| CMC&c Machining INC | Centerville | IA | — | ◇ UNVERIFIED |
| CDC & D Welding & Fabrication INC | Jonesville | MI | — | ◇ UNVERIFIED |
| CHCedar Heights Clay CO (0640010010) | Oak Hill | OH | — | ◇ UNVERIFIED |
| CSCedar Siding & Lumber INC | Rochelle | IL | — | ◇ UNVERIFIED |
| CRCenterless Rebuilders INC | New Haven | MI | — | ◇ UNVERIFIED |
| CMCenter Manufacturing Company | Bellevue | OH | — | ◇ UNVERIFIED |
| CICentral Illinois Ag | Farmer City | IL | — | ◇ UNVERIFIED |
| CMCentral Machine Shop | Pinckneyville | IL | — | ◇ UNVERIFIED |
| CCCenturylink Communications LLC | Boston | MA | — | ◇ UNVERIFIED |
| CICertech INC | Wood Ridge | NJ | — | ◇ UNVERIFIED |
| CFCertified Fabricators INC | Buena Park | CA | — | ◇ UNVERIFIED |
| CPCertified Packaging CORP | North Chicago | IL | — | ◇ UNVERIFIED |
| CICf Industries, INC. - Peru Terminal | Peru | IL | — | ◇ UNVERIFIED |
| CICf Industries Sales - Seneca Terminal | Seneca | IL | — | ◇ UNVERIFIED |
| CHCfm Harris Systems INC | Lincolnwood | IL | — | ◇ UNVERIFIED |
| CPChampaign Park District | Champaign | IL | — | ◇ UNVERIFIED |
| CEChampion Environmental Services INC | Saint Charles | IL | — | ◇ UNVERIFIED |
| CLChampionx LLC | Mount Carmel | IL | — | ◇ UNVERIFIED |
| CMChancey Metal Products, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
 Chancey Metals LLC Annex | Jacksonville | FL | — | ◇ UNVERIFIED |
| CLChds LLC | Round Lake | IL | — | ◇ UNVERIFIED |
| CVChem Valley Machine | Nitro | WV | — | ◇ UNVERIFIED |
| CSCherokee Sanford Group INC | Sanford | NC | — | ◇ UNVERIFIED |
| CSCherokee Sanford Group L L C Lee County | Sanford | NC | — | ◇ UNVERIFIED |
| COCherry Optical | Green Bay | WI | — | ◇ UNVERIFIED |
| CCChesterfield County Clay Pit | Chesterfield | SC | — | ◇ UNVERIFIED |
| CEChevron Environmental Management CO | Medinah | IL | — | ◇ UNVERIFIED |
| CBChicago Board of Education | Chicago | IL | — | ◇ UNVERIFIED |
| CCChicago, City of | Chicago | IL | — | ◇ UNVERIFIED |
| CDChicago Dowel CO INC | Chicago | IL | — | ◇ UNVERIFIED |
| CHChicago Heights Processing | Chicago Heights | IL | — | ◇ UNVERIFIED |
| CWChicagoland Wholesale Mulch | Crest Hill | IL | — | ◇ UNVERIFIED |
| CSChicago Sterilization Services | Chicago | IL | — | ◇ UNVERIFIED |
 Chief Industries INC Chief Transportation Products | Omaha | NE | — | ◇ UNVERIFIED |
| CEChristofano Equipment INC | Harwood Heights | IL | — | ◇ UNVERIFIED |
| CMCigas Machine Shop INC | Coatesville | PA | — | ◇ UNVERIFIED |
| CMCigas Machine Shop, INC. | Pottstown | PA | — | ◇ UNVERIFIED |
