| ALAviation, LLC | Ste. Genevieve | MO | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| AAAxel Americas, Llc-north Kansas City | N Kc | MO | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| AHAycorp Holdings LLC | Dexter | MO | Food Manufacturing311222 | — | ◇ UNVERIFIED |
| BPBaker Petrolite | Saint Louis | MO | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| BCBall Corporation, Kansas City Can Plant | Kansas City | MO | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| BMBarrington Manufacturing | El Dorado Springs | MO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| BCBarry County Ready Mix Llc-cassville Plant | Cassville | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BCBarry County Ready Mix Llc-shell Knob Plant | Shell Knob | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BWBarry Wehmiller Co-barry Wehmiller CO | St. Louis | MO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BNBarton Nelson, INC. | Kansas City | MO | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| BCBasf Corporation, Inmont Division | Fenton | MO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BLBausch & Lomb | O Fallon | MO | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| BHBayer Healthcare Animal Health INC | St Joseph | MO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BABayless Auto Salvage | Springfield | MO | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| BPBay Photo Lab | Springfield | MO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| BBB & B Timber Company INC - Lutesville | Lutesville | MO | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| BFBcl Fabrication | Brookfield | MO | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BEBeazer East INC | Kansas City | MO | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| BCBeco Concrete Products INC | Fulton | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BDBecton Dickinson St Louis | St Louis | MO | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| BSBelleville Shoe Mfg - Carthage | Carthage | MO | Leather and Allied Product Manufacturing316219 | — | ◇ UNVERIFIED |
| BBBernadette Business Forms Inc-hazelwood | Hazelwood | MO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| BWBiltbest Windows Corporation | Ste. Genevieve | MO | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| BCBlackrock Charcoal Co-bradleyville | Taneyville | MO | Chemical Manufacturing325191 | — | ◇ UNVERIFIED |
| BTBlack Thunder Powerboat INC | Bowling Green | MO | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BCBlair Cedar & Novelty Works Inc-camdenton | Camdenton | MO | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| BEBleeding Edge Engineered Systems | Sullivan | MO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| BRBleigh Ready Mix Co-hannibal (b-1) | Hannibal | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BABlevins Asphalt Construction Co-chesapeake Location | Mount Vernon | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BMB & M Mfg | Camdenton | MO | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| BCBoa Construction | St Louis | MO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| BTBobcat Trailer INC | Lebanon | MO | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| BMBob Mcgee | Mexico | MO | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| BABodine Aluminum, INC | Saint Louis County | MO | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| BABodine Aluminum Inc-walton Road | St. Louis | MO | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| BTBodycote Thermal Processing | Saint Louis | MO | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| BIBoehringer Ingelheim Animal Health Crf | Cosby | MO | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| BDBohn & Dawson | Kirkwood | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BIBolder Industries Maryville LLC | Maryville | MO | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| BTBonne Terre Farms - Cal-maine Foods | Bonne Terre | MO | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| BLBootheel Location INC | Dexter | MO | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| BPBorden Pasta - Shaw Facility | Saint Louis | MO | Food Manufacturing311823 | — | ◇ UNVERIFIED |
| BLBotkin Lumber Products, INC. | Farmington | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| BTBraking Technologies Inc-braking Technologies INC | O'fallon | MO | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BCBratton Corporation | Kansas City | MO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| BMBreckenridge Material Co-st Louis (plant 6) | St. Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BMBreckenridge Materials (mcclay) | Festus | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BIBresnaham's INC | Saint Louis | MO | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| BBridgestone/firestone-hazelwood | Hazelwood | MO | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
 Bristol Manufacturing CORP | Springfield | MO | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
