O'Sullivan and Associates is a firm that provides tax accounting, actuarial services, consulting services, and public relations and advertising to nonprofit clients. They primarily provide their services regionally, with most clients in Illinois, New Jersey, and New York (although they are present in other states as well).
Most O'Sullivan and Associates clients are health and welfare funds and labor unions with revenues ranging from $10 million to $44 million.
| Name | Type | Location | |
|---|---|---|---|
| 1 | Northern New Jersey Teamsters Benefit Plan | 501(c)(9) | North Haledon, NJ |
| 2 | United Teamster Fund | 501(c)(9) | Brooklyn, NY |
| 3 | Machinery Movers Riggers and Erectors Union Local #136 | 501(c)(5) | Broadview, IL |
| 4 | Sheet Metal Worker Local 219 Employee Benefit Fund | 501(c)(9) | Rockford, IL |
Competitors to O'Sullivan and Associates in the nonprofit sector include Berry Dunn Mcneil and Parker LLC, Deloitte Tax LLP, Cliftonlarsonallen LLP, Whisman Giordano and Associates LLC, Rehmann Robson LLC, Baker Tilly Virchow Krause LLP, Don A Curtis and Associates PLLC, Eisner Advisory Group LLC, Friedman LLP, and Merrill Lynch Pierce Fenner and Smith.
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