| Business | Phone |
| A & A Heating & Air Cond 14050 Brandywine Rd, Brandywine 20613 | (301) 782-7903 |
| Air Engineers Inc 15508 Crain Hwy, Brandywine 20613 | (301) 753-4383 |
| Airtron Brandywine 20613 | (301) 297-5800 |
| G & S Svc Co Inc 3101 Floral Park Rd, Brandywine 20613 | (301) 292-2700 |