Data update history
July 17, 2024
Updated personnel
Identified 1 new personnel
July 10, 2024
Posted financials
Added Form 990 for fiscal year 2023
November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
August 7, 2023
Posted financials
Added Form 990 for fiscal year 2020
July 20, 2023
Posted financials
Added Form 990 for fiscal year 2022
Nonprofit Types
UnionsChapter / child organizations
Issues
Human servicesJobs and employment
Characteristics
MembershipsPolitical advocacyState / local levelCommunity engagement / volunteeringNo full-time employees
General information
- Address
- 145 Tremont St
- Boston, MA 02135
- Metro area
- Boston-Cambridge-Newton, MA-NH
- County
- Suffolk County, MA
- Website URL
- seiuma.org/Â
- Phone
- (617) 316-0443
IRS details
- EIN
- 04-3194461
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1943
- 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
- Child within group exemption
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