| Business | Phone |
| Crown Gas Station 12436 Pulaski Hwy, Joppa 21085 | (410) 679-1702 |
| Joppa Amoco Inc 602 Pulaski Hwy, Joppa 21085 | (410) 538-3186 |
| Joppa Farm Mobil 1001 Joppa Farm Rd, Joppa 21085 | (410) 538-6400 |
| Magnolia Exxon Shop 1101 Pulaski Hwy, Joppa 21085 | (410) 679-9208 |
| Pulaski Highway Motors 1009 Pulaski Hwy, Joppa 21085 | (410) 679-5420 |