| Company | Category | Area | Address | Web | E-mail | Contact person |
| GTH LLC | Management/consulting Services | Michigan | 5070 DEEP WOOD RD, BLOOMFIELD, Oakland, Michigan, 48302-2800, USA |
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Gilles Teste |
| GTH MEDIA RELATIONS | Multimedia (Manufacturers) | New York | 245 PARK AVE, NEW YORK, New York, New York, 10167-0002, USA |
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| GTHI INC | Whol Autos/motor Vehicles | Florida | 2827 KAVALIER DR, PALM HARBOR, Pinellas, Florida, 34684-4118, USA |
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George Therrien |
| GTHS | radio broadcast station | Texas | PO BOX 684171, AUSTIN, Travis, Texas, 78768-4171, USA |
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Julia Germany |
