 | Victor Orlando Woolson Foundation, Inc. | Oswego, new york, united states | 2 | civic and social organization | 2013 | |
 | T. P. O'Brien Enterprises, Inc. | Oswego, new york, united states | 2 | information technology and services | 1993 | |
 | Riverwalk Oswego | oswego, new york, united states | 5 | real estate | 2020 | |
 | IMPACT Tape Solutions | Oswego, new york, united states | 1 | mechanical or industrial engineering | 2015 | |
 | Warner Physical Therapy | Oswego, new york, united states | 6 | health, wellness and fitness | - | |
 | Appraisal Services of CNY | Oswego, new york, united states | 4 | real estate | - | |
 | wtop-10 tv | oswego, new york, united states | - | broadcast media | 1978 | |
 | Northland Filter International LLC | Oswego, new york, united states | 6 | - | - | |
 | mitchell printing & mailing, inc. | oswego, new york, united states | - | printing | 1930 | |
| operation oswego county, inc. | oswego, new york, united states | - | non-profit organizations | 1953 | |
| state university of new york at oswego | oswego, new york, united states | - | higher education | 1861 | |
 | burritt motors | oswego, new york, united states | - | automotive | 1955 | |
| i heart corp | oswego, new york, united states | - | marketing and advertising | 2012 | |
| pickit homes real estate | oswego, new york, united states | - | real estate | 2011 | |
| wrvo public media | oswego, new york, united states | - | broadcast media | 1969 | |
 | richard s. shineman foundation | oswego, new york, united states | - | non-profit organizations | 2012 | |
| OswegoKartway | Oswego, new york, united states | - | - | - | |
 | experience oswego ny | oswego, new york, united states | - | hospitality | 2015 | |
 | leon shapiro motor sales inc | oswego, new york, united states | - | automotive | - | |
 | integrated community planning of oswego county | oswego, new york, united states | - | non-profit organizations | - | |
