| Business | Phone |
| Cummins Southeastern Power Inc 755 Pickettville Rd, Jacksonville 32220 | (904) 378-1902 |
| Diesel Parts Sales & Svc 1276 W Adams St, Jacksonville 32204 | (904) 356-3341 |
| Efficiency Enterprises-Jcksnvl 5703 Commonwealth Ave, Jacksonville 32254 | (904) 786-7601 |
| Florida Detroit Diesel Inc 5040 University Blvd W, Jacksonville 32216 | (904) 737-7330 |
| Florida Detroit Diesel-Allison 5105 Bowden Rd, Jacksonville 32216 | (904) 730-4200 |