| Business | Phone |
| Sem Cleaning & Beyond Inc 2705 Millvale Ave, District Heights 20747 | (301) 257-5236 |
| Catherine's Cleaning Svc District Heights 20747 | (301) 735-2586 |
| E & S Cleaning Unlimited District Heights 20747 | (301) 736-0900 |
| Essential Janitorial Svc 2902 Troy Pl, District Heights 20747 | (301) 736-7330 |