Data update history
May 22, 2024
Updated personnel
Identified 2 new personnel
November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
June 15, 2023
Posted financials
Added Form 990 for fiscal year 2022
May 14, 2023
Updated personnel
Identified 4 new personnel
October 16, 2021
Posted financials
Added Form 990 for fiscal year 2020
Nonprofit Types
UnionsHeadquarter / parent organizations
Issues
Human servicesJobs and employment
Characteristics
State / local level
General information
- Address
- 9315 Largo Dr West
- Upper Marlboro, MD 20774
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- County
- Prince George's County, MD
- Website URL
- iuoelocal99.org/enÂ
- Phone
- (202) 337-0099
IRS details
- EIN
- 53-0088600
- Fiscal year end
- September
- Taxreturn type
- Form 990
- Year formed
- 1902
- Eligible to receive tax-deductible contributions (Pub 78)
- No
Categorization
- NTEE code, primary
- J40: Labor unions, organizations
- NAICS code, primary
- 813930: Labor Unions
- Parent/child status
- Central organization
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