| Business | Phone |
| W L Smith Electronics Inc 7622 N Main St, Jacksonville 32208 | (904) 764-4221 |
| Tcm Electronics Inc 1918 Blanding Blvd, Jacksonville 32210 | (904) 389-9952 |
| Southern Substation Inc 3200 Lenox Ave # 1, Jacksonville 32254 | (904) 384-7008 |
| Rahn's Industrial Electronics 5400 Verna Blvd, Jacksonville 32205 | (904) 786-9229 |
| Engels Electronic Svc 937 Allderdice Ct, Jacksonville 32225 | (904) 565-1720 |
| Jenkins Electronics 2035 Grove Bluff Rd, Jacksonville 32259 | (904) 230-9029 |