| Business | Phone |
| Plumber Dog's Drain Svc 3502 Pinevale Ave, District Heights 20747 | (301) 516-3000 |
| American Home Svc Inc 7957 Fernham Ln, District Heights 20747 | (301) 516-4669 |
| Siwel Plumbing & Heating 2312 Pemberell Pl, District Heights 20747 | (301) 568-1900 |