O'Sullivan and Associates is a firm that provides tax accounting, actuarial services, and consulting services to nonprofit clients. They primarily provide their services regionally, with most clients in Illinois, New York, and New Jersey (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 $16 million to $42 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 | Local No 41 IBEW Health Fund | 501(c)(9) | Orchard Park, NY |
| 4 | Machinery Movers Riggers and Erectors Union Local #136 | 501(c)(5) | Broadview, IL |
| 5 | Sheet Metal Worker Local 219 Employee Benefit Fund | 501(c)(9) | Rockford, IL |
Competitors to O'Sullivan and Associates in the nonprofit sector include KPMG LLP, Berry Dunn Mcneil and Parker LLC, Deloitte Tax LLP, Cliftonlarsonallen LLP, Conduent HR Consulting, LLC, Baker Tilly Virchow Krause LLP, Whisman Giordano and Associates LLC, Sikich LLP, CBIZ, and Don A Curtis and Associates PLLC.
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