Iowa
| Company | Category | Area | Address | Web | Contact person | |
| INTERNATIONAL UTILITY SPEC INC | Business Management Consultant | Iowa | 1502 NW 81ST ST, DES MOINES, Polk, Iowa, 50325-1104, USA | - | - | David Mcbride |
| INTERNATNL UNION OPER ENGINEER | Labor Organization | Iowa | 16452 HIGHWAY 34, W BURLINGTON, Des Moines, Iowa, 52655-8623, USA | - | - | Troy Russell |