| Business Name | Phone | Address | zip code |
| Gottpower Service Inc | (410)242-7697 | 4707 Benson Avenue | 21222 |
| Horizon Heating & A/C LLC | (410)272-1522 | 2358 Searles Rd | 21222 |
| Dundalk Oil CO | (410)285-1700 | 7734 Wise Avenue | 21222 |
| Dundalk Proper Plumbing & Heating | (410)285-8007 | 8132 Cornwall Road | 21222 |
| Farrell Mechanical | (410)388-0309 | 8103 Beachwood Road | 21222 |
| Tropical Heating & Air Conditioning Inc | (410)388-2700 | 3982 North Point Road | 21222 |
| Randolph Heating & Air Conditioning | (410)477-5800 | 3990 North Point Road | 21222 |
| RWR Plumbing Inc. | (410)531-2982 | 7348 Hughes Ave. | 21222 |
| Hydro Therm Inc Continental Manufacturing Division | (410)282-5599 | 10 Maryland Avenue | 21222 |
| Standard Heating | (410)284-2717 | 7448 Holabird Av | 21222 |
You can also check out Air Conditioning Contractors And Systems in Dundalk