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EIN 52-0806994

IUOE Local 99

IRS 501(c) type
501(c)(3)
Num. employees
14
City
Upper Marlboro
State
Maryland
Year formed
1963
Most recent tax filings
2025-09-01
NTEE code, primary
J22: Employment Training
Description
The Local 99-99a Iuoe Joint Apprenticeship Trust Fund provides training and educational programs for apprentice operating engineers within the jurisdiction of the union, with its location in Upper Marlboro, MD.
Related structure
IUOE Local 99 is a subordinate organization under International Union of Operating Engineers Local 99-9a-99c.
Also known as...
Local 99-99a Iuoe Joint Apprenticeship Trust Fund; Local 99-99a International Union of Operating Engineers Joint Apprenti
Total revenues
$1,152,090
2025
Total expenses
$1,179,510
2025
Total assets
$2,505,345
2025
Num. employees
14
2025

Program areas at IUOE Local 99

The purpose of the Fund is to provide training and educational programs for apprentice operating engineers within the jurisdiction of the union.

Financials for IUOE Local 99

RevenuesFYE 09/2025
Total grants, contributions, etc.$0
Program services$1,175,077
Investment income and dividends$44,481
Tax-exempt bond proceeds$0
Royalty revenue$0
Net rental income$0
Net gain from sale of non-inventory assets$-77,014
Net income from fundraising events$0
Net income from gaming activities$0
Net income from sales of inventory$0
Miscellaneous revenues$9,546
Total revenues$1,152,090
Data update history
October 5, 2026
Posted financials
Added Form 990 for fiscal year 2025
October 2, 2025
Posted financials
Added Form 990 for fiscal year 2024
September 27, 2025
Updated personnel
Identified 1 new personnel
September 22, 2024
Posted financials
Added Form 990 for fiscal year 2023
March 23, 2024
Updated personnel
Identified 4 new personnel
Nonprofit Types
Employment organizationsSchoolsChapter / child organizationsCharities
Issues
EducationHuman servicesJobs and employment
Characteristics
Legally formed as trustState / local levelTax deductible donations
General information
Address
9315 Largo Dr W 200
Upper Marlboro, MD 20774
Metro area
Washington-Arlington-Alexandria, DC-VA-MD-WV
County
Prince George's County, MD
Website URL
iuoelocal99.org/en 
Phone
(202) 337-0099
IRS details
EIN
52-0806994
Fiscal year end
September
Taxreturn type
Form 990
Year formed
1963
Eligible to receive tax-deductible contributions (Pub 78)
Yes
Categorization
NTEE code, primary
J22: Employment Training
NAICS code, primary
61151: Technical and Trade Schools
Parent/child status
Subordinate organization
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