John Giedraitis 
Texas Chapter International Society of Arboriculture 

2019 Oak Wilt Website Vendor Directory Registration 

Help your customers find you! Register today to be listed as a 2019 vendor in the Oak Wilt Vendor Directory on the and websites. You must have a staff member who is an ISA and ISA Texas member in good standing and have an current Applicator's License to be listed. Your listing will not be published until it has been reviewed for membership and licensing.

The deadline for registering as a vendor in the 2019 Oak Wilt Directory is February 28, 2019

Note: Starting in 2016, the new Texas Oak Wilt Qualification replaced the Texas Oak Wilt Certification. If you plan to retain your oak wilt credentials, you must take the new Texas Oak Wilt Qualification course and assessment. These Qualifications will be valid for five (5) years. There will be two chances to take the Oak Wilt Qualification Course and Assessment this year: Tentative dates for are May 23-24 in the Weatherford and June 20-21 in Fredericksberg. Check the events listing on for updated information. 

(started in 2016, Oak Wilt Qualifications are good for five (5) years)

(Pre-2016, all Oak Wilt Certifications will expire in June 2019)

For any questions on listing in the Oak Wilt Vendor Directory, please contact John Giedraitis, at or 979-324-1929.