 | Cove Business Products | Seaford, new york, united states | 1 | computer hardware | 2003 | |
 | CX Elements, LLC | Seaford, new york, united states | 2 | information technology and services | 2019 | |
 | Comfort Cooling Systems Inc | Seaford, new york, united states | 9 | machinery | - | |
| Ryno Industries, Inc. | Seaford, new york, united states | 1 | facilities services | - | |
 | north star micro electronics llc. | seaford, new york, united states | - | appliances, electrical, and electronics manufacturing | 2012 | |
 | levittown public schools | seaford, new york, united states | - | education management | - | |
| jackknife stiletto | seaford, new york, united states | - | music | 2010 | |
| travel services, inc. | seaford, new york, united states | - | leisure, travel and tourism | 2000 | |
| pjd business machines | seaford, new york, united states | - | business supplies and equipment | 1994 | |
 | soil mechanics drilling corp. | seaford, new york, united states | - | civil engineering | - | |
| verity van lines | seaford, new york, united states | - | transportation and trucking and railroad | 1912 | |
| m j carpentry | seaford, new york, united states | - | construction | - | |
| seaford foot care ctr | seaford, new york, united states | - | medical practice | - | |
| 539 consulting | seaford, new york, united states | - | information technology and services | 2005 | |
| techwiser global solutions inc | seaford, new york, united states | - | staffing and recruiting | 2016 | |
| massapequa heart group | seaford, new york, united states | - | hospital and health care | - | |
| shanes anchor realty | seaford, new york, united states | - | real estate | - | |
 | avas systems inc | seaford, new york, united states | - | - | - | |
| asap construction inc | seaford, new york, united states | - | construction | - | |
| apple air conditioning and heating | seaford, new york, united states | - | consumer services | 1985 | |
