| Business | Phone |
| Annapolis Air Corp 5973 Sandy Ridge Ct, Elkridge 21075 | (410) 263-6433 |
| Bge Home 8160 Lark Brown Rd, Elkridge 21075 | (410) 799-5633 |
| Consumer Appliance Svc 6625 Hunter Rd, Elkridge 21075 | (410) 796-8570 |
| Elkridge Air Conditioning Inc 6334 Montgomery Rd, Elkridge 21075 | (410) 796-5492 |
| Lennox Industries Inc 6735 Business Pkwy, Elkridge 21075 | (410) 796-8700 |