| Business | Phone |
| A M Plumbing & Heating 870 County Road 126, Fremont 43420 | (419) 332-2239 |
| Advanced Plumbing & Heating 826 Twinn St, Fremont 43420 | (419) 334-7591 |
| Air-Eez Comfort Systems 901 N 5th St, Fremont 43420 | (419) 332-8904 |
| Bill Rusch & Son Plbg & Htg 2400 Tiffin Rd, Fremont 43420 | (419) 334-2205 |
| Bob's Plumbing & Heating Co 1336 Cherry St, Fremont 43420 | (419) 332-3161 |
| Steve Frey Plumbing & Heating 523 Timpe Rd, Fremont 43420 | (419) 332-1286 |
| Tony Ross Htg Plbg & Air Cond 229 Saint Thomas Dr, Fremont 43420 | (419) 334-7177 |
| Walt Rusch Plumbing & Htg Inc 645 Sunset Ln, Fremont 43420 | (419) 332-1304 |
| Richard L Wilson 14 Paula Ct, Fremont 43420 | (419) 332-4577 |
| Gary's Plumbing & Heating 921 Linden Blvd, Fremont 43420 | (419) 333-0284 |
| Harold Frey & Sons Plumbing 370 County Road 232, Fremont 43420 | (419) 547-8159 |
| Hoffman Heating 500 N Front St, Fremont 43420 | (419) 334-7997 |
| L & G Plumbing 555 County Road 97, Fremont 43420 | (419) 355-8454 |
| Mike White Plumbing & Heating 610 Whittlesey St, Fremont 43420 | (419) 332-5814 |