| Company | Category | Area | Address | Web | E-mail | Contact person |
| INTERNATIONAL UNION UNITED | Labor Organization | Iowa | 1859 PHYLLRICH DR, DUBUQUE, Dubuque, Iowa, 52002-3762, USA |
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Jack Schwab |
| INTERNATIONAL UNION-ELEVATOR | Labor Organizations | Iowa | 2000 WALKER ST, DES MOINES, Polk, Iowa, 50317-5201, USA |
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| INTERNATIONAL UNION-ENGINEERS | Labor Organizations | Iowa | 510 S PENNSYLVANIA AVE, MASON CITY, Cerro Gordo, Iowa, 50401-4030, USA |
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| INTERNATIONAL UNION-OPER ENGRS | Labor Organizations | Iowa | 116 N GREEN ST, OTTUMWA, Wapello, Iowa, 52501-3013, USA |
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Kevin Holzhauser |
| INTERNATIONAL UNION-OPER ENGRS | Labor Organizations | Iowa | 1305 E MARY ST # A, OTTUMWA, Wapello, Iowa, 52501-5245, USA |
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KEVIN HOLZHAUSER |
| INTERNATIONAL UNION-OPER ENGRS | Labor Organizations | Iowa | 4880 HUBBELL AVE, DES MOINES, Polk, Iowa, 50317-4753, USA |
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RICK LANE |
| INTERNATIONAL UNION-OPERATING | Labor Organizations | Iowa | 1695 BURTON AVE, WATERLOO, Black Hawk, Iowa, 50703-2181, USA |
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DON DUEHR |
| INTERNATIONAL UNION-OPERATING | Labor Organizations | Iowa | 1121 S 8TH ST, COUNCIL BLFS, Pottawattamie, Iowa, 51501-6355, USA |
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RON FRENCH |
| INTERNATIONAL UTILITY SPEC INC | Mgmt Consulting | Iowa | 1502 NW 81ST ST, CLIVE, Polk, Iowa, 50325-1104, USA |
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DAVID MCBRIDE |
| INTERNATIONAL UTILITY SPEC INC | Business Management Consultant | Iowa | 1502 NW 81ST ST, DES MOINES, Polk, Iowa, 50325-1104, USA |
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David Mcbride |
