| ACAtlanta Culinary Equipment, Inc. | Norcross | GA | — | ◇ UNVERIFIED |
| AFAtlantic Fabrication and Design, LLC | Oklahoma City | OK | — | ◇ UNVERIFIED |
| ASAtlantic States Cast Iron Pipe | Phillipsburg | NJ | — | ◇ UNVERIFIED |
| AFAuburn Foundry, INC Plant 1 | Auburn | IN | — | ◇ UNVERIFIED |
| AGAustin Gray Iron Foundry | Sheboygan | WI | — | ◇ UNVERIFIED |
| AEAutomated Equipment LLC | Red Wing | MN | — | ◇ UNVERIFIED |
| AIAutomated Ingredient Systems | Grandview | MO | — | ◇ UNVERIFIED |
| AMAutomated Manufacturing Solutions, Inc. | Strongsville | OH | — | ◇ UNVERIFIED |
| BABabcock and Wilcox - Foundry Operations (1677020054) | Barberton | OH | — | ◇ UNVERIFIED |
| BFBadger Fabrication, INC. | Sauk City | WI | — | ◇ UNVERIFIED |
| BIBadger Iron Works INC | Menomonie | WI | — | ◇ UNVERIFIED |
| BEBagby Enterprises INC. | Branson | MO | — | ◇ UNVERIFIED |
| BHBag House Industrial Sheet Metal | Corona | CA | — | ◇ UNVERIFIED |
| BCBaker Coupling CO INC | Vernon | CA | — | ◇ UNVERIFIED |
| BFBama Foundry INC | Montgomery | AL | — | ◇ UNVERIFIED |
| BAB and G Automotive | Livingston | CA | — | ◇ UNVERIFIED |
| BSBarber Steel Foundry Corporation | Rothbury | MI | — | ◇ UNVERIFIED |
| BSBarnmaster Supply LLC Dba Marnmaster | Ontario | CA | — | ◇ UNVERIFIED |
| BMBarrington Manufacturing | El Dorado Springs | MO | — | ◇ UNVERIFIED |
| BPBarry Pattern and Foundry Company, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| BFBatt Fabricators, INC | Greensboro | NC | — | ◇ UNVERIFIED |
| BHBattle Hill Brewing Company LLC | Fort Ann | NY | — | ◇ UNVERIFIED |
| BIBehr Iron & Metal | Peoria | IL | — | ◇ UNVERIFIED |
| BCBelcher (advanced Cast Products) | Easton | MA | — | ◇ UNVERIFIED |
| BFBelgium Foundry CORP | Belgium | WI | — | ◇ UNVERIFIED |
| BFBell Foundry CO | South Gate | CA | — | ◇ UNVERIFIED |
| BIBendtec INC | Duluth | MN | — | ◇ UNVERIFIED |
| BCBentonville Castings Company | Bentonville | AR | — | ◇ UNVERIFIED |
| BTBent Tube INC | Fowlerville | MI | — | ◇ UNVERIFIED |
| BFBerne Foundry LLC (a1453) | Pigeon | MI | — | ◇ UNVERIFIED |
| BFB F Shaw INC | Laurens | SC | — | ◇ UNVERIFIED |
| BPBhm Pipe & Supply, INC | Crosby | TX | — | ◇ UNVERIFIED |
| BFBig Four Foundries CORP | Tulsa | OK | — | ◇ UNVERIFIED |
| BTBingham & Taylor | Rocky Hill | CT | — | ◇ UNVERIFIED |
| BIB.j.r.e.o. INC. | West Elizabeth | PA | — | ◇ UNVERIFIED |
| BFBlackhawk Foundry & Machine CO | Davenport | IA | — | ◇ UNVERIFIED |
| BFBloomfield Foundry, INC | Bloomfield | IA | — | ◇ UNVERIFIED |
| BEBlue Eye Dragonfly LLC | Dublin | OH | — | ◇ UNVERIFIED |
| BRBlue Ridge Machine & Electrical Contractors INC | Westminster | SC | — | ◇ UNVERIFIED |
| BOBoeing Oak Ridge Company | Oak Ridge | TN | — | ◇ UNVERIFIED |
| BTBoomerang Tube, LLC | Liberty | TX | — | ◇ UNVERIFIED |
| BFBorough Furnace, Inc. | East Syracuse | NY | — | ◇ UNVERIFIED |
| BMBorusan Mannesmann Pipe USA | Baytown | TX | — | ◇ UNVERIFIED |
| BRBoston Retail Products | Medford | MA | — | ◇ UNVERIFIED |
| BFBoyertown Foundry Co/fka Eafco | New Berlinville | PA | — | ◇ UNVERIFIED |
| BFBrad Foote Gear Works Inc/neville Twp | Pittsburgh | PA | — | ◇ UNVERIFIED |
| BIBrandenburg Indus Svc CO at Brillion Ironworks | Brillion | WI | — | ◇ UNVERIFIED |
| BMBrom Machine & Foundry CO | Winona | MN | — | ◇ UNVERIFIED |
| BFBrown Foundry - Dupl of Vtdec 689 | Swanton | VT | — | ◇ UNVERIFIED |
| BIBrown Intl CORP | Covina | CA | — | ◇ UNVERIFIED |
| BEBrunton Enterprises | Universal City | CA | — | ◇ UNVERIFIED |
| BDBruteForce Distributing LLC | Medford | WI | — | ◇ UNVERIFIED |
| BIBryant Investments of West Texas LLC | Lubbock | TX | — | ◇ UNVERIFIED |
| BPBta Plant #3 | Wellford | SC | — | ◇ UNVERIFIED |
| BBBuckner By Storm | Fresno | CA | — | ◇ UNVERIFIED |
| BMBulldog Machine INC | Vallejo | CA | — | ◇ UNVERIFIED |
| BNBunge North America, INC. | Teachey | NC | — | ◇ UNVERIFIED |
| BCBurford CORP / Burford CORP | Maysville | OK | — | ◇ UNVERIFIED |
| BMBurgess-norton Mfg CO / Std Auto Parts CO Div | Muskegon | MI | — | ◇ UNVERIFIED |
| BGB.w. Grinding CO. | Lyons | OH | — | ◇ UNVERIFIED |
| CCCadillac Culvert INC | Cadillac | MI | — | ◇ UNVERIFIED |
| CSCalifornia Steel Industries INC | Fontana | CA | — | ◇ UNVERIFIED |
 Cal Sierra Pipe LLC | Stockton | CA | — | ◇ UNVERIFIED |
| CCalspan | San Diego | CA | — | ◇ UNVERIFIED |
| CRCalwest Recycling LLC | Hayward | CA | — | ◇ UNVERIFIED |
| CICalwire INC | Aliso Viejo | CA | — | ◇ UNVERIFIED |
| CCCamden Casting Center INC | Camden | TN | — | ◇ UNVERIFIED |
| CCCamden Casting Center INC | Camden | TN | — | ◇ UNVERIFIED |
| CFCampbell Foundry Company | Harrison | NJ | — | ◇ UNVERIFIED |
| CMCapitol Manufacturing Lansing Facility | Lansing | OH | — | ◇ UNVERIFIED |
| CFCarbery Fabrication Company, INC. | Odessa | TX | — | ◇ UNVERIFIED |
| CICarmack INC Dba Phenix Foundry | Phenix City | AL | — | ◇ UNVERIFIED |
| CHCarver Holdings, Inc | South Saint Paul | MN | — | ◇ UNVERIFIED |
| CCCase Corporation - Racine Foundry Plant | Racine | WI | — | ◇ UNVERIFIED |
| CICastalloy INC Walterboro | Walterboro | SC | — | ◇ UNVERIFIED |
| CTCast-fab Technologies, INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| CICast Industries LLC | Albany | MN | — | ◇ UNVERIFIED |
| CPCastwell Products INC | Skokie | IL | — | ◇ UNVERIFIED |
| CICaterpillar INC | Hodges | SC | — | ◇ UNVERIFIED |
| CICaterpillar INC. | Mapleton | IL | — | ◇ UNVERIFIED |
| CICaterpillar INC Seals Metalcasting Facility | Toccoa | GA | — | ◇ UNVERIFIED |
| CICb & I | Clearfield | UT | — | ◇ UNVERIFIED |
| CECb&i El Dorado | El Dorado | AR | — | ◇ UNVERIFIED |
| CBC & B Piping,inc. Adamsville | Adamsville | AL | — | ◇ UNVERIFIED |
| CBC & B Piping (w), INC. | Leeds | AL | — | ◇ UNVERIFIED |
| COCc Only Red INC | Delaware | OH | — | ◇ UNVERIFIED |
| CVCedar Valley Machine LLC | Cedar City | UT | — | ◇ UNVERIFIED |
| CICelestial Iron Works | Lawrence | KS | — | ◇ UNVERIFIED |
| CPCemco Products Site | Everett | WA | — | ◇ UNVERIFIED |
| CICentral Illinois Mfg CO | Bement | IL | — | ◇ UNVERIFIED |
| CTCentral Tech Incorporation | Milpitas | CA | — | ◇ UNVERIFIED |
| CSCe Systems | Columbus | IN | — | ◇ UNVERIFIED |
| CHCFM Holdings, LLC | Sandy | UT | — | ◇ UNVERIFIED |
| CFCharlette Foundry | Blackstone | MA | — | ◇ UNVERIFIED |
| CWCharps Welding & Fabricating INC | Clearbrook | MN | — | ◇ UNVERIFIED |
| CIChart INC | Fremont | CA | — | ◇ UNVERIFIED |
| CIChassix, INC. | Columbus | GA | — | ◇ UNVERIFIED |
| CBC.h. Babb Company Incorporated | Raynham | MA | — | ◇ UNVERIFIED |
| CChemux | Hayward | CA | — | ◇ UNVERIFIED |
| CTChicago Tube and Iron Company | Locust | NC | — | ◇ UNVERIFIED |
