Minnesota
| Company | Category | Area | Address | Web | Contact person | |
| ERNSTER CONSTRUCTION | General Contractors | Minnesota | 6711 38TH AVE NW, WALKER, Cass, Minnesota, 56484-2515, USA | - | - | George Ernster |
| ERNSTS LOCKSMITH | Locks & Locksmiths | Minnesota | 503 AVON AVE N, AVON, Stearns, Minnesota, 56310-9579, USA | - | - | Al Ernst |
| ERNSTS LOCKSMITH | Repair Services | Minnesota | 503 AVON AVE N, AVON, Stearns, Minnesota, 56310-9579, USA | - | - | Alfred Ernst |