| Business | Phone |
| Creviston Janitor Svc 6724 Tapper Ave, Hammond 46324 | (219) 931-0620 |
| Exxon Building Maintenance 259 Southmoor Rd, Hammond 46324 | (219) 937-4641 |
| Global Maintenance Po Box 4085, Hammond 46324 | (219) 932-2437 |
| R & J Janitorial 2824 173rd St # D, Hammond 46323 | (219) 554-0570 |
| T & J Cleaning Svc 6244 Madison Ave, Hammond 46324 | (219) 933-0921 |
| Tami-Lou's Janitorial Svc 6429 Kennedy Ave, Hammond 46323 | (219) 844-5800 |
| Tami-Lou's Janitorial Svc 7320 Kennedy Ave # A, Hammond 46323 | (219) 844-5800 |
| Velray Inc 426 E Willow Ct, Hammond 46320 | (219) 931-7381 |
| Wolf Enterprise & Janitorial Hammond 46323 | (219) 844-7032 |