| Company | Category | Area | Address | Web | Contact person | |
| ADVANT SYSTEMS INC | Security Systs-Communications/ | Ohio | 1925 BOSTON MILLS RD, CLEVELAND, Cuyahoga, Ohio, 44141-3822, USA | - | - | - |
| ADVANT TECHNOLGIES GROUP LLC | Computer Software | Massachusetts | 112 NEWBURY ST, BOSTON, Suffolk, Massachusetts, 02116-2929, USA | - | - | - |
