John Mastalerz

Active Wilmerding, PA — Manager for Wabtec Components LLC

John Mastalerz Overview

John Mastalerz has been associated with nine companies, according to public records. The companies were formed over a twenty-five year period with the most recent being incorporated four years ago in February of 2022. Eight of the companies are still active while the remaining one is now listed as inactive.

Background Report for John Mastalerz

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Arrest, Criminal, & Driving Records
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Name	Status	Incorporated	Key People	Role
Wabtec Components LLC	Active	2022	7	Manager
Xorail, Inc.	Active	2002	51	Director
Rfpc Holding Corp.	Active	2017	9	Treasurer
Wabtec Us Rail, Inc.	Active	2019	7	Treasurer
Wabtec Motivepower Inc	Active	1997	51	Director
Transportation Systems Services Operations Inc.	Active	1984	24	Director
Westinghouse Air Brake Technologies Corporation	Active	1979	66	Controller
Graham-White Manufacturing Co.	Active	2011	6	NonTreas
Motivepower, Inc.	Inactive	2004	10	Treasurer

Connections for John Mastalerz

A connection is made when two people are officers, directors, or otherwise associated with the same company. John has ninety-eight known connections and has the most companies in common with David Seitz.

David Seitz

David Seitz has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Inactive	1979	66	Vice President
X----------.	Active	2002	51	Director
W--------------------c	Inactive	1997	51	Director
G----------------------------.	Active	2011	6	NonSec
T---------------------------------------------.	Active	1984	24	Treasurer
R----------------.	Active	2017	9	Director
W-------------------C	Active	2022	7	Manager
M---------------.	Inactive	2004	10	Director

Patrick Dugan

Patrick Dugan has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Active	1979	66	Chief Financial Offi
X----------.	Active	2002	51	Vice President
W--------------------c	Inactive	1997	51	Vice President
G----------------------------.	Active	2011	6	NonDir
R----------------.	Active	2017	9	Vice President
W------------------.	Active	2019	7	Vice President
M---------------.	Inactive	2004	10	Treasurer

Michael E. Fetsko

Michael E. Fetsko has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W--------------------c	Inactive	1997	51	President
G----------------------------.	Active	2011	6	NonPres
R----------------.	Active	2017	9	President
W-------------------C	Active	2022	7	Manager
M---------------.	Inactive	2004	10	President

Keith Hildum

Keith Hildum has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Inactive	1979	66	Treasurer
X----------.	Inactive	2002	51	Treasurer
W--------------------c	Inactive	1997	51	Treasurer
R----------------.	Inactive	2017	9	Director
M---------------.	Inactive	2004	10	Treasurer

Raymond T. Betler

Raymond T. Betler has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Active	1979	66	President
W--------------------c	Inactive	1997	51	President
R----------------.	Inactive	2017	9	Vice President
M---------------.	Inactive	2004	10	President

Alvaro Garcia-Tunon

Alvaro Garcia-Tunon has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Inactive	1979	66	CFO
X----------.	Inactive	2002	51	Vice President
M---------------.	Inactive	2004	10	Director

Seitz David M

Seitz David M has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
X----------.	Active	2002	51	Treasurer
W--------------------c	Active	1997	51	Director

David L. Deninno

David L. Deninno has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Active	1979	66	Vice President
W------------------.	Active	2019	7	Director

William E. Kassling

William E. Kassling has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Active	1979	66	NonDir
M---------------.	Inactive	2004	10	Director

Rodrigo Martins

Rodrigo Martins has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W--------------------c	Active	1997	51	President
W-------------------C	Inactive	2022	7	Chairman

Choat Michael

Choat Michael has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
X----------.	Active	2002	51	President
W--------------------c	Active	1997	51	President

Robert Mulvin

Robert Mulvin has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W--------------------c	Active	1997	51	V.P.
T---------------------------------------------.	Active	1984	24	Vp-Sales Operations

Erin Boyts Quinn

Erin Boyts Quinn has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
X----------.	Active	2002	51	Vice President
W------------------.	Inactive	2019	7	Secretary

Rafael Santana

Rafael Santana has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Active	1979	66	President
W------------------.	Active	2019	7	President

Scott E. Wahlstrom

Scott E. Wahlstrom has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Active	1979	66	Vice President
W------------------.	Active	2019	7	Director

James Winget

James Winget has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
T---------------------------------------------.	Active	1984	24	Vice-President
W------------------.	Active	2019	7	Vice President

Philippe Alfroid

Philippe Alfroid has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Active	1979	66	NonDir

Raymond T. Better

Raymond T. Better has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Active	1979	66	Chief Executive Officer

Guiliaume Bouhours

Guiliaume Bouhours has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
W---------------------------------------------n	Active	1979	66	Senior Vice Presiden

Lisa Breymeier

Lisa Breymeier has the following companies in common with John Mastalerz

Name	Status	Incorporated	Key People	Role
T---------------------------------------------.	Active	1984	24	Asst. Secretary

Sources

Florida Department of State
Data last refreshed on Monday, April 6, 2026

Texas Secretary of State
Data last refreshed on Saturday, March 2, 2024

Nevada Secretary of State
Data last refreshed on Wednesday, May 8, 2019

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John Mastalerz

Active Wilmerding, PA — Manager for Wabtec Components LLC

John Mastalerz Overview

Background Report for John Mastalerz

Companies for John Mastalerz

Connections for John Mastalerz

Sources

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