| company | role | hq | verified |
| Berry Bearing Company | DIST | Lyons, IL (US) | 1 mfrs |
| Birlik Rulman Ltd. Sti. birlikrulman.com | DIST | — (US) | 1 mfrs |
| Bi State Industrial | DIST | Adolphus, KY (US) | 1 mfrs |
| Bobker Bearing bobkerbearings.com | DIST | NE (US) | 1 mfrs |
| Bohls Bearing bohlco.com | DIST | San Antonio (US) | 1 mfrs |
| Bowden Industries bowdenindustries.com | DIST | Huntsville, AL (US) | 1 mfrs |
| Bpc Supply Company bridgewaterpower.com | DIST | Salt Lake City, UT (US) | 1 mfrs |
| BRD. Klee A/S | DIST | AL (US) | 1 mfrs |
| Brenner Fiedler brfa.com | DIST | Riverside, RI (US) | 1 mfrs |
| Brg & Drive Supply | DIST | Decatur, DE (US) | 1 mfrs |
| Bronze & Plastic | DIST | Baltimore, MD (US) | 1 mfrs |
| Bruckner Supply Company brucknersupply.com | DIST | Port Washington, NY (US) | 1 mfrs |
| Bryant Electric bryantelec.com | MFG DIST | Lowell, NC (US) | 1 mfrs |
| Bush Miller Inc | DIST | York, PA (US) | 1 mfrs |
| B-W Controls b-wcontrols.com | MFG DIST | Seattle, WA (US) | 1 mfrs |
| Calhoun Ind Supply | DIST | Adairsville, GA (US) | 1 mfrs |
| Cameron & Barkley cambarsolutions.com | DIST | Norcross, GA (US) | 1 mfrs |
| Capitol Bearing Supply | DIST | New Braunfels, NE (US) | 1 mfrs |
| C Arthur Weaver | DIST | Richmond, RI (US) | 1 mfrs |
| Cascade Ind Supply | DIST | Klamath Falls, OR (US) | 1 mfrs |