Mark Duff

Active Knoxville, TN President for Perma-Fix of Orlando, Inc.

Mark Duff Overview

Mark Duff is currently associated with six companies, according to public records. The companies were formed over a forty-one year period with the most recent being incorporated three years ago in April of 2023. All companies are still active.

Background Report for Mark J. Duff


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Companies for Mark Duff

Name Status
Safety and Ecology Corporation
Active
Perma-Fix of Orlando, Inc.
Active
Perma-Fix Environmental Services, Inc.
Active
Perma-Fix of Florida, Inc.
Active
Safety & Ecology Holdings Corporation
Active
Sec Federal Services Corporation
Active

Connections for Mark Duff

A connection is made when two people are officers, directors, or otherwise associated with the same company. Mark has twenty known connections and has the most companies in common with Louis Centofanti.
6
Louis F. Centofanti
Louis F. Centofanti has the following companies in common with Mark Duff
Name Status
P------------------------.
Active
S----------------------------n
Active
P------------------------------------.
Inactive
P------------------------.
Active
S-----------------------------------n
Inactive
S------------------------------n
Inactive
5
Ben Naccarato
Ben Naccarato has the following companies in common with Mark Duff
Name Status
P------------------------.
Active
S----------------------------n
Active
P------------------------.
Active
S-----------------------------------n
Active
S------------------------------n
Active
2
Christopher P. Leichtweis
Christopher P. Leichtweis has the following companies in common with Mark Duff
Name Status
S----------------------------n
Active
S------------------------------n
Inactive
2
Steve Baughman
Steve Baughman has the following companies in common with Mark Duff
Name Status
P------------------------.
Inactive
P------------------------.
Inactive
2
James A. Blankenhorn
James A. Blankenhorn has the following companies in common with Mark Duff
Name Status
P------------------------.
Inactive
S----------------------------n
Inactive
2
John Lash
John Lash has the following companies in common with Mark Duff
Name Status
S----------------------------n
Inactive
S-----------------------------------n
Inactive
2
Larry McNamara
Larry McNamara has the following companies in common with Mark Duff
Name Status
P------------------------.
Inactive
P------------------------.
Inactive
1
Carrie Z. Daniels
Carrie Z. Daniels has the following companies in common with Mark Duff
Name Status
S----------------------------n
Inactive
1
Ronald F. Dresen
Ronald F. Dresen has the following companies in common with Mark Duff
Name Status
S----------------------------n
Inactive
1
Donald J. Goebel
Donald J. Goebel has the following companies in common with Mark Duff
Name Status
S----------------------------n
Inactive
1
Richard T. Kelecy
Richard T. Kelecy has the following companies in common with Mark Duff
Name Status
P------------------------------------.
Inactive
1
Jack Lahav
Jack Lahav has the following companies in common with Mark Duff
Name Status
P------------------------------------.
Inactive
1
Jack H. Macrae
Jack H. Macrae has the following companies in common with Mark Duff
Name Status
S----------------------------n
Inactive
1
John H. Macrae
John H. Macrae has the following companies in common with Mark Duff
Name Status
S----------------------------n
Inactive
1
Raymond A. Peters
Raymond A. Peters has the following companies in common with Mark Duff
Name Status
S----------------------------n
Inactive
1
Jeffrey S. Scott
Jeffrey S. Scott has the following companies in common with Mark Duff
Name Status
S----------------------------n
Inactive
1
Robert M. Szozda
Robert M. Szozda has the following companies in common with Mark Duff
Name Status
S----------------------------n
Inactive
1
Alfred C. Warrington
Alfred C. Warrington has the following companies in common with Mark Duff
Name Status
P------------------------------------.
Inactive
1
Raymond Whittle
Raymond Whittle has the following companies in common with Mark Duff
Name Status
P------------------------.
Inactive
1
Mark A. Zwecker
Mark A. Zwecker has the following companies in common with Mark Duff
Name Status
P------------------------------------.
Inactive

Sources

Florida Department of State
Data last refreshed on Monday, April 6, 2026
Nevada Secretary of State
Data last refreshed on Wednesday, May 8, 2019
California Secretary of State
Data last refreshed on Monday, April 4, 2022
Texas Secretary of State
Data last refreshed on Saturday, March 2, 2024

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