| company | role | hq | verified |
| Chicago Chain Company chicagochain.com | DIST | Chicago, IL (US) | 9 mfrs |
| Diamond Chain diamondchain.com | MFG | Fulton, IL (US) | 6 dist |
| Wesco anixter.com | DIST | Glenview, IL (US) | 16 mfrs |
| Steiner Electric steinerelectric.com | DIST | Chicago, IL (US) | 13 mfrs |
| Peer peerbearing.com | MFG | Waukegan, IL (US) | 25 dist |
| Lesman Instrument Co lesman.com | DIST | Bensenville, IL (US) | 3 mfrs |
| Finkbiner Equipment finkbinerequipment.com | DIST | East Peoria, IL (US) | 6 mfrs |
| Exmark exmark.com | MFG DIST | Hamel, IL (US) | 39 dist · 1 mfrs |
| West Side Tractor westsidetractorsales.com | DIST | Lisle, IL (US) | 6 mfrs |
| Avant Tecno avanttecno.com | MFG DIST | Arlington Heights, IL (US) | 1 mfrs |
| Kirby Risk Corporation kirbyrisk.com | DIST | Mt. Vernon, IL (US) | 15 mfrs |
| FCX Performance fcxperformance.com | DIST | Elk Grove Village, IL (US) | 3 mfrs |
| Altorfer, Inc | DIST | Springfield, IL (US) | 1 mfrs |
| Altorfer, Inc - Bartonville | DIST | Bartonville, IL (US) | 1 mfrs |
| Bearings and Industrial Supply Co Inc | DIST | Addison, IL (US) | 3 mfrs |
| Agilix Solutions goagilix.com | DIST | Quincy, IL (US) | 8 mfrs |
| G & O Thermal Supply Co. gothermal.com | DIST | Bridgeview, IL (US) | 2 mfrs |
| Echo echo-usa.com | MFG DIST | Lake Zurich, IL (US) | 2 mfrs |
| Charles Equipment Energy Systems | DIST | Chicago, IL (US) | 1 mfrs |
| POWER/MATION DIVISION powermation.com | DIST | Elk Grove Village, IL (US) | 11 mfrs |