Data update history
January 18, 2024
Posted financials
Added Form 990 for fiscal year 2022
January 10, 2024
Updated personnel
Identified 5 new personnel
July 15, 2023
Posted financials
Added Form 990 for fiscal year 2021
June 29, 2023
Updated personnel
Identified 1 new personnel
June 28, 2023
Posted financials
Added Form 990 for fiscal year 2020
Nonprofit Types
Professional associationsBusiness and community development organizationsResearch centersCharities
Issues
Science and technologyCommunity improvementBusiness and industry
Characteristics
MembershipsConducts researchTax deductible donationsNo full-time employeesAccepts online donations
General information
- Address
- 1 Physics Ellipse
- College Park, MD 20740
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- County
- Prince George's County, MD
- Website URL
- rheology.org/sor/Â
- Phone
- (860) 486-3980
IRS details
- EIN
- 13-6203476
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1967
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- U50: Biological, Life Science Research
- NAICS code, primary
- 813920: Professional Associations
- Parent/child status
- Independent
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