| Business | Phone |
| Service Master Building Mntnc 80 Earhart Dr # 14, Williamsville 14221 | (716) 634-7454 |
| Sheridan Janitorial Svc Corp 36 Country Pkwy, Williamsville 14221 | (716) 632-3252 |
| American Janitorial Mntnc 388 Evans St, Williamsville 14221 | (716) 632-1200 |
| Bennett Janitorial Svc 76 Alran Dr, Williamsville 14221 | (716) 688-0442 |
| Coverall Service Co 6265 Sheridan Dr # 106, Williamsville 14221 | (716) 635-0987 |