| Business | Phone |
| Concept One Profession Clng 16026 33rd St Se, Mason City 50401 | (641) 424-3500 |
| Ibarra Industrial & Comm Svc 18 S Commercial Aly, Mason City 50401 | (641) 424-4720 |
| Midwest North Iowa Janitorial 13 6th St Ne, Mason City 50401 | (641) 423-8796 |
| Service Master Of Mason City 938 N Federal Ave, Mason City 50401 | (641) 424-0155 |
| Shineway Janitorial & Floor 302 N Madison Ave, Mason City 50401 | (641) 424-6509 |
| T & J Cleaning 1431 N Jefferson Ave, Mason City 50401 | (641) 424-4147 |