| Business | Phone |
| Alliant 550 Gateway Dr, Ottumwa 52501 | (641) 683-8000 |
| Big Bear 223 N Madison Ave, Ottumwa 52501 | (641) 683-9742 |
| Cobler Farming Co 12490 Highland Center Rd, Ottumwa 52501 | (641) 682-8644 |
| Cf Motorfreight Airport Industrial Pk Bldg 73, Ottumwa 52501 | (641) 683-4441 |
| Cobblestone Yellow 401 N Green St, Ottumwa 52501 | (641) 683-1993 |
| J H Schwartz 107 E 2nd St, Ottumwa 52501 | (641) 682-8126 |
| Mc Kelvey & Mc Kelvey 213 Oakwood Ave, Ottumwa 52501 | (641) 682-2612 |
| Ottumwa Assoc Of Professional 201 N Wapello St, Ottumwa 52501 | (641) 682-6744 |
| Ottumwa Machine Works 14540 1st Ave, Ottumwa 52501 | (641) 684-2121 |
| Ottumwa Midland Commercial 15300 130th St, Ottumwa 52501 | (641) 684-4284 |
| Palm Desert Bank 1110 N Quincy Ave, Ottumwa 52501 | (641) 682-2635 |
| Paul Gettings & Assoc 118 W 3rd St, Ottumwa 52501 | (641) 682-7406 |
| Pro Lube 2512 N Court St, Ottumwa 52501 | (641) 682-1325 |
| Reed & Reed Inc 14815 Eddyville Rd, Ottumwa 52501 | (641) 684-4139 |
| Regional Enterprises 1001 Pennsylvania Ave, Ottumwa 52501 | (641) 684-2740 |
| Sound Of Manna 1501 E Main St, Ottumwa 52501 | (641) 684-0103 |
| Tennyson Enterprises Hangar Po Box 677, Ottumwa 52501 | (641) 682-5013 |
| Va Regional Office 626 Indian Hills Dr, Ottumwa 52501 | (641) 684-0324 |
| Van Nest & Van Nest 434 Crestview Ave, Ottumwa 52501 | (641) 684-7299 |
| Weitz Hyvee Construction 1025 N Quincy Ave, Ottumwa 52501 | (641) 683-5907 |
| Dixon's 17599 Highway 34, Ottumwa 52501 | (641) 684-9899 |
| Dyncorp Informations Systems Ottumwa 52501 | (641) 684-4009 |
| Digital Call Ctr Ottumwa 52501 | (641) 684-9014 |
| Hantover Inc 150 Fox Sauk Rd, Ottumwa 52501 | (641) 682-2902 |
| Kbiz/Ktwa Studio Line Ottumwa 52501 | (641) 682-8787 |
| Main Ms Ottumwa 52501 | (641) 683-1317 |
| Traul Enterprises 2950 Oak Meadow Dr, Ottumwa 52501 | (641) 682-9191 |