1. Minnesota Mining & Manufacturing Company
610 E Pleasant St, Knoxville, IA 50138
Coordinate: 41.32051,-93.09222
Phone: (641) 842-2972
2. Industries Tenco
413 S 7th St, Knoxville, IA 50138
Coordinate: 41.31543,-93.09112
Phone: (641) 205-8076
3. Tenco Industries
1111 Newbold St, Knoxville, IA 50138
Coordinate: 41.30033,-93.13513
Phone: (641) 828-6279
4. Vermeer Manufacturing Co
1625 Lisbon Dr, Knoxville, IA 50138
Coordinate: 41.33549,-93.0393
Phone: (641) 628-3141