Data update history
January 24, 2024
Posted financials
Added Form 990 for fiscal year 2022
January 24, 2024
Updated personnel
Identified 2 new personnel
November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
June 24, 2023
Updated personnel
Identified 3 new personnel
June 5, 2023
Updated personnel
Identified 11 new personnel
Nonprofit Types
UnionsHeadquarter / parent organizations
Issues
Human servicesJobs and employment
Characteristics
MembershipsState / local levelReceives government funding
General information
- Address
- 3 Research Pl
- Rockville, MD 20850
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- County
- Montgomery County, MD
- Website URL
- tcunion.org/Â
- Phone
- (301) 948-4910
- Facebook page
- MachinistsUnionÂ
- Twitter profile
- @machinistsunionÂ
IRS details
- EIN
- 31-6000450
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1899
- 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
- Parent of group exemption
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