| Business | Phone |
| Superior Pest Management 615 S Frederick Ave, Gaithersburg 20877 | (301) 231-8300 |
| Terminix International 25 Chestnut A, Gaithersburg 20877 | (301) 565-0166 |
| Terminix International 25 Chestnut St # A, Gaithersburg 20877 | (301) 424-8930 |
| Central Termite Control 435 E Diamond Ave # D, Gaithersburg 20877 | (301) 947-1500 |
| Senate Termite Control & Radon 8652 Dakota Dr, Gaithersburg 20877 | (301) 977-1415 |
| Orkin Exterminating Co 7934 Queenair Dr, Gaithersburg 20879 | (301) 948-8400 |
| Home Paramount Pest Control Co 5 Meem Ave, Gaithersburg 20877 | (301) 340-8806 |
| Horizon Pest Control Inc 412 E Diamond Ave, Gaithersburg 20877 | (301) 330-3105 |
| J C Ehrlich Termite & Pest 411 E Diamond Ave, Gaithersburg 20877 | (301) 963-5786 |