| BPBen Parker Co, INC | Chattanooga | TN | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| BSBen's Structural Fabrication INC | Waite Park | MN | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| BCBerenfield Containers INC | Mason | OH | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| BCBerenfield Containers Se Limited | Harrisburg | NC | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| BPBeringer Plating, INC. | Akron | OH | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| BMBerridge Mfg CO | San Antonio | TX | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| BEBest Engineering Surface Technologies | Kissimmee | FL | Fabricated Metal Product Manufacturing332117 | — | ◐ LIKELY ACTIVE |
| BMBest Metal Products | Grand Rapids | MI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| BFBharat Forge Pmt Technologies | Surgoinsville | TN | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| BPBiddle Precision Components, INC. | Sheridan | IN | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| BCBig C Steel, INC. | Clearwater | FL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| BDBlack & Decker (formerly: American Emblem Tool Co) | Shelbyville | KY | Fabricated Metal Product Manufacturing332213 | — | ◐ LIKELY ACTIVE |
| BFBl Fabricators, INC. | Scottsboro | AL | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| BOBlount Oregon Cutting Systems Division | Portland | OR | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| BPBlue Patriot Fab | Omaha | NE | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| BCBluescope Coated Products LLC | Jackson | MS | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| BCBluescope Coated Products, LLC (0630010006) | Cambridge | OH | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
Blue Star Steel, L.c. | Salt Lake City | UT | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| BABodycote Arlington | Arlington | TX | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BSBohling Steel INC. | Lynchburg | VA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| BMBootz Manufacturing Company | Evansville | IN | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| BUBorghi USA INC | West Burlington | IA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| BMBraddock Metallurgical, INC. | Jacksonville | FL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| BCBradley CORP | Menomonee Falls | WI | Fabricated Metal Product Manufacturing332913 | — | ◐ LIKELY ACTIVE |
| BIBranick Industries INC | Fargo | ND | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| BLBrasscraft Lancaster | Lancaster | TX | Fabricated Metal Product Manufacturing332913 | — | ◐ LIKELY ACTIVE |
| BABridon American CORP | Wilkes-barre | PA | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| BIBristol Industries, LLC | Brea | CA | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| BFBrookfield Fabricating Corporation | Brookfield | MO | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| BEBrowning Enterprise, INC. | Attalla | AL | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| BTBruder Tank | Sullivan | IL | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| BOBrugola Oeb Industriale USA INC | Plymouth | MI | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| BBBucyrus Blades | Bucyrus | OH | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
Budde Precision Machining CORP | Dayton | OH | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
Buell Automatics INC. | Rochester | NY | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| BABuffalo Air Handling | Amherst | VA | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| BWBuffalo Wire Works CO | Buffalo | NY | Fabricated Metal Product Manufacturing332618 | 100-499 | ◐ LIKELY ACTIVE |
| BSBuilding Systems Terrell | Terrell | TX | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
| BCBunn-o-matic CORP | Springfield | IL | Fabricated Metal Product Manufacturing332999 | 500+ | ◐ LIKELY ACTIVE |
| BNBurgess Norton Mfg CO Plant #4 | Beaver Dam | WI | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| BCBway CORP | Chicago | IL | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| BCBway CORP Bway Packaging Div | Cincinnati | OH | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| BCBway Corporation - Homerville | Homerville | GA | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| BPBway Packaging | Homerville | GA | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| BPBw Papersystems | Phillips | WI | Fabricated Metal Product Manufacturing332710 | 500+ | ◐ LIKELY ACTIVE |
| BTBwx Technologies INC - R&d Closed | Lynchburg | VA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| CFCalifornia Faucets INC | Huntington Beach | CA | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| CSCalifornia Steel Industries INC | Fontana | CA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| CICalpipe Industries | Santa Paula | CA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| CICameron International | Bayou Vista | LA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |