 | DB-Engines | Averill Park, new york, united states | 3 | information technology and services | 2012 | |
 | Tri-City Information Systems | Averill Park, new york, united states | - | information technology and services | 2013 | |
 | A.i.r. Show Jumping, Llc | Averill Park, new york, united states | - | - | 2008 | |
 | deerfoot lodge | averill park, new york, united states | - | non-profit organizations | 1930 | |
| arts letters & numbers | averill park, new york, united states | - | fine art | 2011 | |
| averill park high school | averill park, new york, united states | - | education management | - | |
| a & g title and settlement services | averill park, new york, united states | - | real estate | 2004 | |
 | SAFETY FIRST EQUIPMENT TESTING, INC. | Averill Park, new york, united states | - | - | - | |
| assassin racing | averill park, new york, united states | - | automotive | - | |
| burden lake country club | averill park, new york, united states | - | recreational facilities and services | - | |
| hollywood appliance repair | averill park, new york, united states | - | consumer services | - | |
| binary publishing | averill park, new york, united states | - | internet | - | |
| church of the covenant | averill park, new york, united states | - | religious institutions | - | |
| west field films, llc | averill park, new york, united states | - | motion pictures and film | 2004 | |
| st henrys church | averill park, new york, united states | - | education management | - | |
| fluid kinetics inc | averill park, new york, united states | - | - | - | |
| all in merchandise | averill park, new york, united states | - | - | - | |
| averill park central school | averill park, new york, united states | - | publishing | - | |
| averill park school district | averill park, new york, united states | - | primary and secondary education | - | |
| engineering geologist | averill park, new york, united states | - | government administration | - | |
