Oak Wilt Pros


My brother and I created Oak Wilt Pros to help stop the spread of Oak Wilt through industry recognized treatment and prevention services. Join us in the fight to keep the Texas Hill Country beautiful. Follow us as we operate with an emphasis on customer relations as well as our social & environmental impact.

-Stephen Ashby

Owner | Manager

Stephen Ashby

Stephen has 14 years experience in operations, general contracting & construction management. He holds a B.S. degree from Lamar University and is a licensed commercial applicator with the Texas Department of Agriculture (TDA license #0840596). Stephen aims to provide the best experience for clients dealing with oak wilt related issues.

Owner | Manager

Mark Ashby

Mark is an ISA Certified Arborist & Texas Oak Wilt Qualified professional that has spent the last 10 years specializing in oak wilt management. He has personally injected thousands of trees and overseen numerous trench installation projects. Mark looks to make an even bigger impact on the fight against oak wilt as an owner at Oak Wilt Pros. (ISA CERT ID: TX-4597A TOWQ-396)

Why choose the Pros?

Knowledge & Experience

We are one of the few companies that specialize in oak wilt management. That means our focus is on treating, preventing, and helping you protect your investment from oak wilt. With over a decade in oak wilt experience, we have been a part of saving thousands of trees and minimizing the impact of oak wilt on affected properties.

Licensed & Insured

Management plans created by Texas Oak Wilt Qualified & ISA Certified Arborist. ISA Member and ISA Texas Chapter members. Licensed commercial applicator with the Texas Department of Agriculture. We are a fully insured business and hold a A+ rating with the Better Business Bureau.

We give back!

Oak Wilt Pros strives to have a greater social & environmental impact. By donating a portion of our sales we are able to invest in causes like the replanting of our national forests as well as in research to better combat destructive diseases like oak wilt.


Certified Professionals On Staff
Oak Wilt Pros BBB Business Review
Oak Wilt Treatment & Prevention Service Areas