Our Tree Services Team

Greg H

Maranda H

Keith O

Greg, our owner, brings 18 years of experience in the tree service industry. He will make sure that your tree services project is completed to his company standards as well as yours.  He takes pride in making sure the customer is happy.

Keith O

Maranda H

Keith O

Keith has worked with Hamm Tree Service for 15 years. Keith is in charge of Ground operations.  He will make sure nothing is left behind and all work is completed safely and effectively. 

Maranda H

Maranda H

Maranda H

Maranda is the owners wife and handles all the invoices, payment processing, and day to day operations in the office.  Customer service is her priority if you have any questions she will be glad to assist you.

About Us

Our History

Greg and Maranda Hamm started their Company in 2001,  under the name G & M Tree Service.  they changed their name to Hamm Tree Service in 2013 because they wanted to rebrand and use the family name.  They spent several years only doing Commercial contracts with two Power Companies in Southern Oklahoma.   Their main duties included cleaning vegetation out of the power lines and right of ways.  However, their heart was always working in residential and missed that side of the business and customer relationships, so now they are doing Residential projects once again.

Greg Hamm brings over 18 years experience to the Tree Service Industry, he loves working with his customers, enjoys the physical challenge, working with people, completing a difficult or challenging project always brings him a sense of accomplishment, Greg takes great pride in doing the job right, safely, and effectively.  "Our customers are the reason we are here, and what they think, Matters!" said Greg!.

We would love the opportunity to serve you!

Greg and Maranda would like to say "Thank you, for taking the time to look over our site, we are glad your here."


Hamm Tree Service offers free estimates, as well as a 10% discount to our Seniors and those who serve in the Military.  


Ask about the Referral Program and SAVE $$$

Frequently Asked Questions

Who will work on my project?

What kind of tree service do you do?

Are you insured and licensed?

The only people who will work on your project is Hamm Tree Service employees. Our team members have experience and trusted backgrounds, and we will all be familiar with your project needs. 

Are you insured and licensed?

What kind of tree service do you do?

Are you insured and licensed?

We have all necessary licenses for our area, and we carry insurance for all of our projects.

Some larger construction projects require special licenses and certifications. We have trusted members of the tree service community that we work with for those special cases.

What kind of tree service do you do?

What kind of tree service do you do?

What kind of tree service do you do?

We do Commercial and Residential projects.