| Company | Category | Area | Address | Web | Contact person | |
| AMPERSTAND CREATIVE | Marketing Programs & Services | Colorado | 5025 BOARDWALK DR, COLORADO SPGS, El Paso, Colorado, 80919-3105, USA | - | - | Todd Morrison |
| AMPERT DEVELOPMENT INC | Building Contractors | California | 8808 MISSION DR STE 208, ROSEMEAD, Los Angeles, California, 91770-5100, USA | - | - | Wilson Chen |
| AMPERT DEVELOPMENT INC | Comm/Off Bldg New Con | California | 8808 MISSION DR STE 208, ROSEMEAD, Los Angeles, California, 91770-5100, USA | - | - | WILSON CHEN |
