Thompson Greenspon is a firm that provides tax accounting and audit accounting to nonprofit clients. They primarily provide their services regionally, with most clients in Virginia, District of Columbia, and Maryland (although they are present in other states as well).
Most Thompson Greenspon clients are professional associations, social advocacy organizations, civic and social organizations, trade associations, and grantmaking foundations with revenues ranging from $201,688 to $5.9 million.
Previous legal names, trade names, or just variations of their name include: Thompson Greenspon and Company; and Thompson Greenspon and Co PC.
| Name | Type | Location | |||
|---|---|---|---|---|---|
| 1 | National Institute of Governmental Purchasing | 501(c)(3) | Reston, VA | ||
| 2 | American Society of Interior Designers (ASID) | 501(c)(6) | Washington, DC | ||
| 3 | National Guard Association of the United States (NGAUS) | 501(c)(19) | Washington, DC | ||
| 4 | National Association of Independent Schools | 501(c)(3) | Washington, DC | ||
| 5 | American Alliance of Museums (AAM) | 501(c)(3) | Arlington, VA | ||
| 6 | Automotive Service Excellence (ASE) | 501(c)(6) | Leesburg, VA | ||
| 7 | Real Estate Roundtable (RER) | 501(c)(6) | Washington, DC | ||
| 8 | National Association for Law Placement (NALP) | 501(c)(6) | Washington, DC | ||
| 9 | Industrial Truck Association (ITA) | 501(c)(6) | Washington, DC | ||
| 10 | American Thoracic Society / Karen Collishaw Executive Director (ATS) | 501(c)(3) | New York, NY | ||
| ... | and 99 more Thompson Greenspon not-for-profit tax-exempt clients identified by Cause IQ | ||||
Competitors to Thompson Greenspon in the nonprofit sector include Toal Griffith and Ayers LLC, Gauthier and Kimmerling LLC, Drolet and Associates PLLC, Kafoury Armstrong and Company, Ericksen Krentel and Laporte LLP, Wolfe Nilges Nahorski PC, Carr Gouveia Associates CPAs Inc, Stone Carlie and Company LLC, Averett Warmus Durkee PA, and Robins Eskew Smith and Jordan CPAs.
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