| Company | Category | Area | Address | Web | E-mail | Contact person |
| AIRPORT TRAFFIC CONTROL TOWER | Air Traffic Control Tower | Wisconsin | 3662 S OAKHILL AVE, JANESVILLE, Rock, Wisconsin, 53546-8913, USA |
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Paul Abernathy |
| AIRPORT TRAFFIC CONTROL TOWER | Regulation & Administration Of | Wisconsin | 300 AVIATION WAY, MOSINEE, Marathon, Wisconsin, 54455-8236, USA |
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John Butcher |
| AIRPORT WELDING SVC | Welding | Wisconsin | 2433 E LAYTON AVE, CUDAHY, Milwaukee, Wisconsin, 53110-1341, USA |
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Dennis Wieczorkowski |
| AIRPORTAGE | Airport/airport Services | Wisconsin | PO BOX 319, PORTAGE, Columbia, Wisconsin, 53901-0319, USA |
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John Poppy |
