 | Mobile Data Systems | Nesconset, new york, united states | 6 | information technology and services | - | |
 | J Carter Marketing Inc. - AdFrontiers | Nesconset, new york, united states | 5 | marketing and advertising | 2002 | |
 | gnp branded gear | nesconset, new york, united states | - | marketing and advertising | 1985 | |
 | sanitech services inc. | nesconset, new york, united states | - | chemicals | 2011 | |
 | real pharmacy | nesconset, new york, united states | - | pharmaceuticals | - | |
 | long island fiber exchange | nesconset, new york, united states | - | information technology and services | - | |
 | international recovery associates, inc. | nesconset, new york, united states | - | financial services | 1986 | |
 | answering legal, inc | nesconset, new york, united states | - | telecommunications | 2013 | |
 | ear works audiology | nesconset, new york, united states | - | hospital and health care | 2001 | |
| kelly & hayes | nesconset, new york, united states | - | wholesale | 1947 | |
| ambition funding solutions | nesconset, new york, united states | - | financial services | - | |
| central island insurance agency | nesconset, new york, united states | - | insurance | 1983 | |
| long island divorce mediation group | nesconset, new york, united states | - | alternative dispute resolution | 2016 | |
| telcom savvy llc | nesconset, new york, united states | - | telecommunications | 2017 | |
| gnp specialties inc | nesconset, new york, united states | - | consumer goods | - | |
| nesconset fire department | nesconset, new york, united states | - | public safety | 1935 | |
| world wide sports radio network | nesconset, new york, united states | - | broadcast media | 2015 | |
| ingenium staffing | nesconset, new york, united states | - | consumer goods | - | |
| florence construction corp | nesconset, new york, united states | - | construction | - | |
| capo design build | nesconset, new york, united states | - | construction | 2015 | |
