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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 Carl L Mendenhall

Carl L Mendenhall

OfficerTrustee/director

Treasurer at International Union of Operating Engineers Local 12

Fiscal year ended December 31, 2020. Published on January 24, 2026.

$296,940
2020

Total compensation

Carl L Mendenhall 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 Carl L Mendenhall has increased by 17.1% from 2016 to 2020.

Annual compensation details

$296,940
+11.4%
Treasurer
2020
$235k org
40 hrs/wk
$63k other
--
$266,484
+2.8%
Treasurer
2019
$207k org
40 hrs/wk
$60k other
--

Total compensation by year

Compare the compensation of Carl L Mendenhall to:

2020

Other employees at International Union of Operating Engineers Local 12

Ronald J Sikorski
Business Manager
$330,663
$268,471 from orgNo related comp$62,192 other
David L Davison
President
$289,861
$227,669 from orgNo related comp$62,192 other
David Garbarino
Vice President
$277,753
$215,561 from orgNo related comp$62,192 other
Shawn O Kinsey
Rec-Correspond SEC
$272,845
$210,653 from orgNo related comp$62,192 other
David K Sikorski
Financial Secretary
$252,030
$189,838 from orgNo related comp$62,192 other
Hugo A Tzec
In-House Counsel
$234,902
$172,710 from orgNo related comp$62,192 other
Kurt E Oliver
Auditor/District REP
$210,530
$148,338 from orgNo related comp$62,192 other
Nicholas D Difranco
Trustee/District REP
$207,840
$145,648 from orgNo related comp$62,192 other
Jay Isco
Controller
$207,065
$148,130 from orgNo related comp$58,935 other
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Revisions to this profile

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
January 24, 2026:
2019 International Union of Operating Engineers Local 12 990 published

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Other people named Carl L Mendenhall

2020
Employee
Carl Mendenhall
Central Labor Council AFL-CIO San Bernardino & Riverside Counties
$0
Board Member
Carl Mendenhall
Montana Justice Foundation
$0
Board Member
Carl Mendenhall
Operating Engineers Health and Welfare Fund
$0
Board Member
Carl Mendenhall
Operating Engineers Workers Compensation Trust Fund
$0
Board Member
Carl Mendenhall
Operating Engineers Vacation-Holiday Savings Trust
$0
Board Member
Carl Mendenhall
Operating Engineers Journeyman and Apprentice Training Trust
$0