| Business | Phone |
| A Action Appliance Olney 20832 | (301) 948-5353 |
| Young Gourmet Beer & Wine 3422 Olney Laytonsville Rd, Olney 20832 | (301) 774-7025 |
| Das Electric Co Olney 20832 | (301) 774-8553 |
| Gold Electrical Svc 17313 Macduff Ave, Olney 20832 | (301) 774-1966 |
| Lighthouse Electric Olney 20832 | (301) 260-7477 |
| Linthicum Electrical Svc 4233 Stafford Rd # 102, Olney 20832 | (301) 924-4114 |
| Kva Electrical 15 Cashell Ct, Olney 20832 | (301) 260-8900 |