| Business | Phone |
| P & B Used Cars Route 13 & Route 54amp;, Delmar 19940 | (302) 846-3656 |
| Car City Auto 1 N Bi State Blvd, Delmar 19940 | (302) 846-3103 |
| Carroll's Used Cars 9347 Carrolls Ave, Delmar 19940 | (302) 846-2394 |
| Red House Motors 36677 Sussex Hwy, Delmar 19940 | (302) 846-2778 |
| Davis Auto Sales 7139 Pine Branch Rd, Delmar 19940 | (302) 846-3670 |
| State Line Auto Sales Route 13, Delmar 19940 | (302) 846-9803 |
| First Step Motors 605 N Bi State Blvd, Delmar 19940 | (302) 846-0810 |
| First Step Motors Route 13, Delmar 19940 | (302) 846-9960 |
| Johnson's Ok Used Cars 303 E State St, Delmar 19940 | (302) 846-2429 |
| K & B Auto Route 13a, Delmar 19940 | (302) 846-0111 |