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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees International Union of Operating Engineers Local 12 Ronald J Sikorski

Ronald J Sikorski

OfficerTrustee/director

Business Manager - PAST at International Union of Operating Engineers Local 12

Fiscal year ended December 31, 2022. Published on January 25, 2026.

$358,785
2022

Total compensation

Ronald J Sikorski has been listed as an employee of International Union of Operating Engineers Local 12 in Form 990 filings since at least fiscal year 2016. Total compensation for Ronald J Sikorski has increased by 12.8% from 2016 to 2022.

Annual compensation details

$358,785
+9.5%
Business Manager - PAST
2022
$297k org
40 hrs/wk
$62k other
--
$327,662
-0.9%
Business Manager
2021
$264k org
40 hrs/wk
$65k other
--

Total compensation by year

Compare the compensation of Ronald J Sikorski to:

2022

Other employees at International Union of Operating Engineers Local 12

David K Sikorski
Business Manager
$298,686
$233,051 from orgNo related comp$65,635 other
Shawn O Kinsey
Rec-Correspond SEC
$288,062
$222,427 from orgNo related comp$65,635 other
David Garbarino
President
$287,879
$222,244 from orgNo related comp$65,635 other
Perry Hawkins III
Financial Secretary
$274,077
$208,442 from orgNo related comp$65,635 other
Hugo A Tzec
In-House Counsel
$262,245
$196,610 from orgNo related comp$65,635 other
Kenneth R Hunt
Vice President
$231,616
$165,981 from orgNo related comp$65,635 other
David L Davison
Former President
$228,400
$178,161 from orgNo related comp$50,239 other
Robert J Ninteman
Treasurer
$218,117
$152,482 from orgNo related comp$65,635 other
Martin R Collins
Conductor/Dist. REP
$214,981
$149,346 from orgNo related comp$65,635 other
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Revisions to this profile

January 25, 2026:
2022 International Union of Operating Engineers Local 12 990 published
January 25, 2026:
2021 International Union of Operating Engineers Local 12 990 published
January 24, 2026:
2020 International Union of Operating Engineers Local 12 990 published

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$53k other
--

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2022
Employee
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$0
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Los Angelesorange Counties Building and Construction Trades Council
$0
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IUOE Local 12 Charitable Golf Committee Inc.
$0
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$0