| Business | Phone |
| A-1 Exterminating Svc Inc Frederick 21701 | (301) 696-0997 |
| Abc All Wildlife Removal 10212 Allview Dr, Frederick 21701 | (301) 898-5902 |
| Advanced Pest Control Inc 462 Prospect Blvd, Frederick 21701 | (301) 694-5007 |
| Affordable Pest Control Inc Po Box 3507, Frederick 21705 | (301) 682-6140 |
| American Pest Management Inc Frederick 21702 | (301) 846-9100 |
| Antietam Termite & Pest Cntrl Frederick 21701 | (301) 663-4843 |
| Critter Control Po Box 986, Frederick 21705 | (301) 662-0433 |
| Dodson Bros Exterminating Co Frederick 21701 | (301) 663-3595 |
| Enviro Tech Pest Svc Frederick 21701 | (301) 696-0997 |
| Envirotech Pest Svc Frederick 21701 | (301) 662-8442 |
| Home Paramount Pest Control Co 7612 Devilbiss Bridge Rd, Frederick 21701 | (301) 898-0210 |
| Home Paramount Pest Control Co 7612 Double Biss Bridge Rd, Frederick 21701 | (301) 739-5443 |
| J C Ehrlich Termite & Pest Frederick 21701 | (301) 662-4080 |
| J S Klapac & Co 5016 Shookstown Rd, Frederick 21702 | (301) 473-4680 |
| Kolley's Exterminating Co Frederick 21701 | (301) 620-7412 |
| Pro Pest 1781 N Market St # C, Frederick 21701 | (301) 695-0605 |
| Roberts Pest Contol Frederick 21701 | (301) 607-1407 |
| Valley Pest Control Inc Frederick 21701 | (301) 662-1526 |