| Business | Phone |
| 80 20 Inc 1701 S 400 E, Columbia City 46725 | (260) 248-8030 |
| A Country Garden 1775 E State Road 14, Columbia City 46725 | (260) 396-2927 |
| Alcoils Inc 802 E Short St, Columbia City 46725 | (260) 625-3849 |
| Americraft Machined Prod Inc 2842 E Business 30, Columbia City 46725 | (260) 248-8776 |
| Autoshield Warranties 3496 E Lincolnway, Columbia City 46725 | (260) 248-4574 |
| Backyard Baits & Reels 3525 N State Road 109, Columbia City 46725 | (260) 691-3038 |
| Campus Life 314 S Chauncey St, Columbia City 46725 | (260) 244-6891 |
| Crooked Lake Biological Sta 3000 W Northshore Dr # 57, Columbia City 46725 | (260) 691-2596 |
| Essex Group Inc Us 30, Columbia City 46725 | (260) 248-5500 |
| Facts Inc 1821 E Schug Rd, Columbia City 46725 | (260) 691-3787 |
| Fibre Form Corp 70 E Radio Rd, Columbia City 46725 | (260) 244-6169 |
| Isi Inc 2601 S 700 E, Columbia City 46725 | (260) 625-4608 |
| Lifemark Corp 2616 E Evergreen Rd, Columbia City 46725 | (260) 396-2895 |
| Netology 212 1/2 W Van Buren St, Columbia City 46725 | (260) 248-2124 |
| Northeast Purdue Ag Ctr 4821 E 400 S, Columbia City 46725 | (260) 244-7290 |
| P & W Enterprises Inc 877 E 900 S, Columbia City 46725 | (260) 396-2747 |
| Penark Programs Llc 216 S Main St, Columbia City 46725 | (260) 244-1900 |
| Residential Management System 333 N Oak St, Columbia City 46725 | (260) 248-2288 |
| Stateline Tpa Inc 121 Diplomat Dr, Columbia City 46725 | (260) 248-2251 |
| Tope & Tope 3431 W Us Highway 30, Columbia City 46725 | (260) 244-5479 |
| Undersea Sensor Systems Inc 4578 E Park 30 Dr, Columbia City 46725 | (260) 248-3500 |
| Verneco Jh 701 E Business 30, Columbia City 46725 | (260) 244-3535 |
| Wefit Zipper Bags 13 E Ellsworth St, Columbia City 46725 | (260) 244-4752 |
| Woenker's 3465 E Magley Ln, Columbia City 46725 | (260) 691-9126 |