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Person · officer / director

Jonathan McMahon

Business Agent · Steamfitters Local Union No 420

Business Agent at Steamfitters Local Union No 420. Listed as an officer, director, or key employee across 2 organizations on the Form 990 record.

Ambiguous identity This name matches 1 other individual we could not verify as the same person. Each is kept as a separate record below — treat them as distinct people unless an explicit match is confirmed.
Organizations
2
Roles reported
2
Reported compensation
$206K
Others who share this name
1

Who this is

Profile

Everything on the left is verified from the IRS filings. The biography on the right is compiled from public web sources and grounded to that filed record.

✓ Verified from filings
●
Reported as Business Agent of Steamfitters Local Union No 420, based in Philadelphia, PA.
●
Received $206K in total reported compensation on the most recent Form 990 (Part VII).
●
Also listed as Business Agent of Steamfitters Local Union 420 Realty INC, uncompensated.
Facts extracted directly from each organization's Form 990, Part VII.
Biography In progress
We're building a sourced biography for every person — from filings, news, and public records, citing where each fact comes from. Person-name searches are our single largest source of demand, so this is what we're shipping next.

Affiliations

Organizations

Linked as the same person by IRS Schedule R, a shared officer mailing address, or shared fellow board members.

S
Steamfitters Local Union No 420 Business Agent · $15.6M revenue · Philadelphia, PAA CLOSE AFFILIATION OF ALL WORKERS AND TECHNICIANS ENGAGED IN THE STEAMFITTING/PIPEFITTING TRADE; HEATING, VENTILATION/AIR CONDITIONING, INSTRUMENT…pay $88K → $206KFiled FY2024, FY2023, FY2022, FY2021, FY2020, FY2019 · Source: Form 990, Part VII
$206Kreported comp
S
Steamfitters Local Union 420 Realty INC Business Agent · $2.9M revenue · Philadelphia, PATO HOLD TITLE TO PROPERTY, COLLECT THE INCOME THEREFROM AND TURN OVER THE ENTIRE AMOUNT THEREOF, LESS EXPENSES, TO THE STEAMFITTERS LOCAL UNION NO.…Filed FY2024 · Source: Form 990, Part VII

Disambiguation

Other people named Jonathan McMahon

Different individuals who share this name, separated by IRS Schedule R, mailing address, and shared-board evidence. The 990 carries no person identifier, so some may still be the same person.

J
Jonathan McMahon 1 organization · Keswick, VALittle League Baseball INC

Network

Serves alongside

Other officers, directors & key employees at this person's organizations, by latest reported compensation.

J
James J Snell
Business Manager · FY2024
$254K
T
Thomas F Redden III
Financial Secretary Treasurer · FY2024
$219K
J
James Snell
Business Manager · FY2021
$217K
G
Gary Andress
Asst Business Manager/Ba · FY2024
$211K
L
Lenny Perrone
Business Agent · FY2024
$208K
R
Ryan McMahon
Business Agent · FY2024
$208K
A
Albert R Bush JR
Business Agent · FY2024
$208K
P
Peter Klein
Director · FY2024
$207K
P
Patrick H Sheridan
Business Agent · FY2024
$206K
M
Matt Meile
Business Agent · FY2024
$205K
D
David Lentz
Business Agent · FY2024
$205K
R
Ryan McAdams
Business Agent · FY2024
$204K

Network

Recommendations

Written by other verified members of the network — visible once you're a verified person yourself.

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Public data from IRS Form 990 e-file & the Business Master File. Individuals appear here because they were named as an officer, director, or key employee on a nonprofit's Form 990; people are grouped by name plus corroborating evidence (Schedule R, shared address, shared board members). · philanthropy.org