| Business | Phone |
| Charleston Inc 716 Market St, Sioux City 51103 | (712) 277-2750 |
| Lantus Co Wholesale Plumbing Sioux City 51101 | (712) 252-0931 |
| Plumbing & Heating Wholesale 1005 Dace Ave, Sioux City 51101 | (712) 252-4714 |
| Sioux City Winnelson Co 204 Iowa St, Sioux City 51101 | (712) 252-3488 |