About the company

In 1992, the Turf Services Division was purchased by Mr. Thomas and incorporated as Thomas Turf Services, Inc. In July 1996, Thomas Turf Services was the second laboratory to be accredited in the nation by the American Association for Laboratory Accreditation (A2LA) for the geotechnical evaluation of putting green materials. Mr. Thomas has provided soil testing, turf management, and greens mix design to clients worldwide for over 40 years.

To better serve our clients, a sister company, Thomas Analytical Services (TAS), was formed in 1999. TAS specializes in soil fertility, soil salinity, plant tissue and irrigation water analyses. This provides you with “One Stop” shopping for all your chemical and physical soil testing needs.

Mission and vision

Our mission at Thomas Turf Services, Inc. is to serve and support all persons connected with the turf industry to aid in building and maintaining the best possible quality turf facilities. We are dedicated to providing the highest quality laboratory soil testing service available in support of the turf industry and have obtained accreditation through the American Association for Laboratory Accreditation (A2LA).

Allow Thomas Turf Services to help maintain your facility in top quality condition. We can evaluate the soil conditions of your greens, fairways, or athletic field and help you select the appropriate topdressing materials for use with regular or deep tine aerification. We also provide soil and tissue testing services for assessing the adequacy of your fertility program.

If you are considering replacing your bunker sand, we can help select the sand which will perform the best through a series of tests designed to estimate the potential for the formation of fried egg lies (buried balls), surface crusting, and general set-up. If you are considering rebuilding a green or athletic field, several greens or adding new holes, then we can help with your root zone material selection and quality control during the construction phase. Given today’s high cost of construction, the design of the proper root zone soil mixture cannot be left to chance.

As General Manager, Mr. Thomas has over 40 years of experience in designing and evaluating high sand content root zone mixtures for use in constructing and topdressing golf greens, fairways, tees and bunkers.

With each analysis you will receive a table and/or graph as appropriate plus a complete written report documenting the tests performed, the test results, and their meaning in regard to the long term life of your golf course. Our reports are the most complete in the industry and provide you with a clear picture of your existing soil conditions.

We cordially invite you to try our services (link to submittal sheet). Please feel free to reach out to us if you have questions or need additional information 

Staff information

James C. Thomas, General Manager

B.S. in Agronomy from Delaware Valley College of Science and Agriculture
M.S. in Plant Physiology from Texas A&M University
Senior Research Associate, Texas A&M University – Retired
Certified Professional Agronomist (C.P.Ag.)
Member of:
Golf Course Superintendent Association of America
Texas Turfgrass Association; 
Published (author or co-author) over 100 articles
40 years of involvement in the turf industry

Bob Yzaguirre, Laboratory Manager

B.S. in Construction Science from Texas A&M University
31 years experience in the turf industry
Member of:
United States Golf Association

Mark Patterson, Senior Technician

B.S. in Construction Science from Texas A&M University
20 years experience in the turf industry and laboratory testing.