| Company | Category | Area | Address | Web | E-mail | Contact person |
| IRWIN ENTERPRISES INC | Injection Molding/plastics | Colorado | 1255 DISTEL DR STE C, LAFAYETTE, Boulder, Colorado, 80026-2075, USA |
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Devon Irwin |
| IRWIN ENTERTAINMENT INC | Mpicture,Video Prod | California | 1041 N MANSFIELD AVE STE 200, LOS ANGELES, Los Angeles, California, 90038-2347, USA |
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| IRWIN EQUIPMENT INC | Equipment Rental | Missouri | 8209 LACKLAND RD, SAINT LOUIS, St Louis, Missouri, 63114-4519, USA |
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Vince Irwin |
| IRWIN EQUIPMENT RENTAL | Miscellaneous Industrial Suppl | Oklahoma | 3425 WILLIAMS AVE, WOODWARD, Woodward, Oklahoma, 73801-7404, USA |
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| IRWIN EXTERIORS INC | Ret Lumber/building Materials | Minnesota | 10635 261ST AVE NW, ZIMMERMAN, Sherburne, Minnesota, 55398-9752, USA |
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Hugh Irwin |
