Data update history
December 4, 2023
Posted financials
Added Form 990 for fiscal year 2023
December 3, 2023
Updated personnel
Identified 3 new personnel
July 29, 2023
Posted financials
Added Form 990 for fiscal year 2022
June 27, 2023
Posted financials
Added Form 990 for fiscal year 2021
June 27, 2023
Updated personnel
Identified 1 new personnel
Nonprofit Types
UnionsChapter / child organizations
Issues
Human servicesJobs and employment
Characteristics
MembershipsState / local levelCommunity engagement / volunteering
General information
- Address
- 5001 Harbor Dr
- Sioux City, IA 51111
- Metro area
- Sioux City, IA-NE-SD
- County
- Woodbury County, IA
- Website URL
- ibew231.com/Â
- Phone
- (712) 255-8138
IRS details
- EIN
- 42-0571251
- Fiscal year end
- June
- Taxreturn type
- Form 990
- Year formed
- 1916
- 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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