| Company | Category | Area | Address | Web | Contact person | |
| DEAN MATHER CONSTRUCTION | Excavating Contractors | Missouri | 17149 185TH ST, ROCK PORT, Atchison, Missouri, 64482-8428, USA | - | - | Dean Mather |
| DEAN MAVERICK RANCH | Gen Livestock Farms | Colorado | 32997 COUNTY ROAD 193.5, KIM, , Colorado, 81049-9525, USA | - | - | BOB DEAN |
| DEAN MAZZOTTA & ASSOC | Nonclassified Establishments | Pennsylvania | 115 W MONTGOMERY AVE, NORTH WALES, Montgomery, Pennsylvania, 19454-3400, USA | - | - | Dean Mazzotta |
