---
title: About Extex
description: Extex Companies
---

[![Logo for extex companies](https://extex.net/hs-fs/hubfs/gx-logo-brand-extex.webp?width=362&height=199&name=gx-logo-brand-extex.webp "Logo for extex companies")](https://extex.net/?hsLang=en)

- [Home](https://extex.net)
- [Our Operations](https://extex.net/our-operations)
- [About Extex](https://extex.net/about-extex)
- [Owner Relations](https://extex.net/owner-relations)
- [Careers](https://extex.net/careers)
- [Contact Us](https://extex.net/contact)

- [Home](https://extex.net)
- [Our Operations](https://extex.net/our-operations)
- [About Extex](https://extex.net/about-extex)
- [Owner Relations](https://extex.net/owner-relations)
- [Careers](https://extex.net/careers)
- [Contact Us](https://extex.net/contact)

# About Extex

Extex is a private oil and gas firm boasting a dedicated team of almost 100 full-time employees. The company currently oversees operations of approximately 2,650 wells across 46 counties and parishes in Texas, New Mexico, and Louisiana, spanning an area of about 100,000 acres.

 

The leadership at Extex brings together more than 100 years of combined experience in the oil and gas sector, offering a blend of technical expertise and organizational insight. The core team members have shared several decades of collaboration, fostering a strong sense of unity and depth of industry knowledge.

![pump jack sunrise](https://extex.net/hubfs/pump%20jack%20sunrise.jpg "pump jack sunrise")

### Wallis T. Marsh

Founder & CEO

### Chris Gehrels

Vice President Operations

### Robert M. Eckols

Vice President Engineering

### Kevin Regan

Chief Financial Officer

[![LinkedIn icon](https://extex.net/hubfs/icon-linkedin-white-square-rounded-corners%202.svg "LinkedIn icon")](https://www.linkedin.com/company/extex-operating-co/about/)

**Extex Operating Company**   
1616 S. Voss Rd., Suite 400  
Houston, TX 77057

**Emergency Contact (for any field emergencies):**

**(281) 540-9393**