Dan Duncan

Active Houston, TX — Chairman for Boncosky Transportation, Inc.

Dan Duncan Overview

Dan Duncan has been associated with fifty-six companies, according to public records. The companies were formed over a thirty-six year period with the most recent being incorporated eleven years ago in June of 2015. One of the companies is still active while the remaining fifty-five are now listed as inactive.

Background Report for Dan L. Duncan

Includes Age, Location, Address History for Dan L. Duncan
Arrest, Criminal, & Driving Records
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Name	Status	Incorporated	Key People	Role
Boncosky Transportation, Inc.	Active	2001	5	Chairman
Enterprise Products Gp, LLC	Inactive	1998	56	Chairman
Wanda Petroleum Company	Inactive	1952	10	Chairman
Belvex, Inc.	Inactive	1986	4	Chairman
High Island Offshore System, L.L.C.	Inactive	2001	1	Chairman
Manta Ray Gathering Company, L.L.C.	Inactive	1993	1	Chairman
Poseidon Pipeline Company, L.L.C.	Inactive	1995	1	Chairman
Flextrend Development Company, L.L.C.	Inactive	1995	1	Chairman
Dep Holdings, LLC	Inactive	2006	1	Chairman
Dep Olpgp, LLC	Inactive	2006	1	Chairman
Mapletree, LLC	Inactive	2002	1	Chairman
E-Oaktree, LLC	Inactive	2002	1	Chairman
Enterprise Terminals & Storage, LLC	Inactive	2002	1	Chairman
E-Cypress, LLC	Inactive	2002	1	Chairman
Enterprise Gtmgp, LLC	Inactive	2003	1	Chairman
Belvieu Environmental Fuels Gp, LLC	Inactive	2004	1	Chairman
Enterprise Products Olpgp, Inc.	Inactive	2003	1	Chairman
Enterprise Holding III, LLC	Inactive	2002	1	Chairman
Olefins Terminal LLC	Inactive	1991	1	Chairman
Enterprise Energy Finance Corporation	Inactive	1999	1	Chairman
Enterprise Mont Belvieu Program Company	Inactive	1986	1	Chairman
Sailfish Pipeline Company, L.L.C.	Inactive	1996	1	Chairman
Enterprise Field Services, LLC	Inactive	1997	1	Chairman
McN Pelican Interstate Gas, LLC	Inactive	1998	1	Chairman
Enterprise Fractionation, LLC	Inactive	1998	1	Chairman
Enterprise Ngl Private Lines & Storage, LLC	Inactive	1998	1	Chairman
Enterprise Gas Processing, LLC	Inactive	1998	1	Chairman
Enterprise Ngl Pipelines, LLC	Inactive	1998	1	Chairman
Genesis Gtm Offshore Operating Company, LLC	Inactive	1999	1	Chairman
Moray Pipeline Company, L.L.C.	Inactive	1999	1	Chairman
Dld Family Investments LLC	Inactive	2000	1	Chairman
Teco Gas Gathering LLC	Inactive	2001	1	Chairman
Teco Gas Processing LLC	Inactive	2001	1	Chairman
DD Securities LLC	Inactive	2007	1	President
Duncan Family Foundation	Inactive	2003	1	President
La Porte Pipeline Gp, L.L.C.	Inactive	1999	1	President
Dan L. Duncan Inc.	Inactive	1978	1	President
Dan Duncan LLC	Inactive	1996	1	President
Econo-Gas, Inc.	Inactive	1989	1	CEO
Enterprise Products Marketing Company LLC	Inactive	2009	1	Manager
Enterprise Big Thicket Pipeline System LLC	Inactive	2009	1	Manager
Port Neches Gp LLC	Inactive	2003	1	Manager
Teco Gas Gathering Company	Inactive	1994	1	Manager
Teco Gas Processing Company	Inactive	1995	1	Manager
Quest Pipe Line Company	Inactive	1990	1	Manager
McN Pelican Transmission, LLC	Inactive	1998	9	Director
Inter South Pipeline Contractors, Inc.	Inactive	1986	7	Director
Econo-Gas, Inc. (Texas)	Inactive	1986	3	Director
Epc Partners IV, Inc.	Inactive	1994	3	Director
Enterprise Products Holdings LLC	Inactive	2005	1	Director
Enterprise Products Company	Inactive	1970	1	Director
McN Acadian Gas Pipeline, LLC	Inactive	1998	1	Director
Dada Interests LLC	Inactive	1996	4	Mgr
Epc Partners II, LLC	Inactive	1993	3	Mm
Epc Partners I, LLC	Inactive	1992	2	Mm
Baylor College of Medicine	Inactive	1969	1	Trustee

Showing 8 records out of 56

Connections for Dan Duncan

A connection is made when two people are officers, directors, or otherwise associated with the same company. Dan has seventy-six known connections and has the most companies in common with Danine Duncan Avara.

Gary L. Miller

Gary L. Miller has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-----------------C	Inactive	1992	2	Mm
E------------------C	Inactive	1993	3	Mm
W---------------------y	Inactive	1952	10	Treasurer
E---------------------)	Inactive	1986	3	Treasurer
D----------------C	Inactive	1996	4	Mgr
E-------------------.	Inactive	1994	3	Director

O. S. Andras

O. S. Andras has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E------------------C	Inactive	1993	3	Mm
W---------------------y	Inactive	1952	10	President
B----------.	Inactive	1986	4	Director
M---------------------------C	Inactive	1998	9	Director

Richard H. Bachmann

Richard H. Bachmann has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-------------------------C	Inactive	1998	56	Director
D----------------C	Inactive	1996	4	Mm
M---------------------------C	Inactive	1998	9	Director

Michael A. Creel

Michael A. Creel has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-------------------------C	Inactive	1998	56	President
B----------.	Inactive	1986	4	Exec Vp
M---------------------------C	Inactive	1998	9	President

Joe D. Havens

Joe D. Havens has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
W---------------------y	Inactive	1952	10	Director
E---------------------)	Inactive	1986	3	President
I------------------------------------.	Inactive	1986	7	Director

James A. Cisarik

James A. Cisarik has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-------------------------C	Inactive	1998	56	Senior Vp
M---------------------------C	Inactive	1998	9	Sr Vp

Randa L. Duncan

Randa L. Duncan has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
D----------------C	Inactive	1996	4	Mm
E-------------------.	Inactive	1994	3	P

W. R. Fowler

W. R. Fowler has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-------------------------C	Inactive	1998	56	Director
M---------------------------C	Inactive	1998	9	Treasurer

Michael J. Knesek

Michael J. Knesek has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-------------------------C	Inactive	1998	56	Director
M---------------------------C	Inactive	1998	9	Vice President

Danine Duncan Avara

Danine Duncan Avara has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
B---------------------------.	Active	2001	5	Director

Richard H. Bachman

Richard H. Bachman has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
B---------------------------.	Active	2001	5	Director

Milane D. Duncan

Milane D. Duncan has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
B---------------------------.	Active	2001	5	Director

Randa D. Williams

Randa D. Williams has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
B---------------------------.	Active	2001	5	President

Oscar S. Andras

Oscar S. Andras has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-------------------------C	Inactive	1998	56	President

Jannine H. Andres

Jannine H. Andres has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
I------------------------------------.	Inactive	1986	7	Treasurer

G. T. Arnold

G. T. Arnold has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
W---------------------y	Inactive	1952	10	Treasurer

Charles Anthony Auld

Charles Anthony Auld has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-------------------------C	Inactive	1998	56	Vice President

Jason A. Balasch

Jason A. Balasch has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-------------------------C	Inactive	1998	56	Vice President

E. William Barnett

E. William Barnett has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-------------------------C	Inactive	1998	56	Director

Kevin Bodenhamer

Kevin Bodenhamer has the following companies in common with Dan Duncan

Name	Status	Incorporated	Key People	Role
E-------------------------C	Inactive	1998	56	Senior Vice Presiden

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

New York Department of State
Data last refreshed on Saturday, October 12, 2024

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Dan Duncan

Active Houston, TX — Chairman for Boncosky Transportation, Inc.

Dan Duncan Overview

Background Report for Dan L. Duncan

Companies for Dan Duncan

Connections for Dan Duncan

Sources

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