| Company | Category | Area | Address | Web | Contact person | |
| GKMP PROPERTY CONSULTING | Real Estate Consultants | Illinois | 737 W WASHINGTON BLVD, CHICAGO, Cook, Illinois, 60661-2173, USA | - | - | - |
| GKMR DEVELOPMENT | Nonclassified Establishments | Iowa | 17387 HUMKE RD, DUBUQUE, Dubuque, Iowa, 52002-9483, USA | - | - | Kenneth W Kress |
