John Slack

Archived Record Houston, TX — Previous Director for Castle Dental Centers, Inc.

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John Slack Overview

John Slack has been associated with four companies, according to public records. The companies were formed over a six year period with the most recent being incorporated twenty-nine years ago in February of 1997. Zero of the companies are still active while the remaining four are now listed as inactive.

Background Report for John M. Slack

Includes Age, Location, Address History for John M. Slack
Arrest, Criminal, & Driving Records
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Name	Status	Incorporated	Key People	Role
Castle Dental Centers, Inc.	Inactive	1995	7	Director
Castle Dental Centers of Texas, Inc.	Inactive	1996	3	Secretary
Dentcor, Inc.	Inactive	1997	2	Vice President
Academy for Dental Assistants, Inc.	Inactive	1990	2	Vice President

Connections for John Slack

A connection is made when two people are officers, directors, or otherwise associated with the same company. John has six known connections and has the most companies in common with James Usdan.

4

James M. Usdan has the following companies in common with John Slack

Name	Status	Incorporated	Key People	Role
D-----------.	Inactive	1997	2	CEO
A---------------------------------.	Inactive	1990	2	CEO
C-------------------------.	Inactive	1995	7	CEO
C----------------------------------.	Inactive	1996	3	President

2

Joseph P. Keane

Joseph P. Keane has the following companies in common with John Slack

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	1995	7	CFO
C----------------------------------.	Inactive	1996	3	CFO

1

Frank A. Baynham

Frank A. Baynham has the following companies in common with John Slack

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	1995	7	Director

1

Ira Glazer has the following companies in common with John Slack

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	1995	7	Director

1

Paul Kreie has the following companies in common with John Slack

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	1995	7	Director

1

Edward L. Kuntz

Edward L. Kuntz has the following companies in common with John Slack

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	1995	7	Director

Sources

Florida Department of State
Data last refreshed on Friday, July 10, 2026

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

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