Steve Yeagle
President & Treasurer
Steve graduated from Oklahoma State University in 1987 with a Bachelor of Science degree in Business Management. He worked for CPI as Director of Operation / Vice President – Sale...
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Lane Shafer
Vice President & Corporate Secretary
Lane graduated from Oklahoma State University of Technical Training with an Associate degree in HVAC and began working at Donohue Service Company in 1987 as a Service Technician. H...
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Jon Heaps
Senior Account Manager
Jon is our senior HVAC/R Maintenance Professional with over 30 years of experience. He is capable of designing preventative maintenance programs that are customized to meet individ...
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Darryl Adams
Project Manager / Sales
No info.
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Donohue Commercial Service
Brandon Mack
Controller
A graduate of Southwestern Oklahoma State University with a degree in finance, Brandon Mack is the Controller at Unite...
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Melissa Tash
Senior Staff Accountant
Melissa Tash has been a Senior Staff Accountant at United Mechanical Service for the past year. A graduate of Husson University in Bangor, Maine, she brought 20 years of experie...
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Caroll Harris
Staff Accountant
Staff accountant Caroll Harris specialized in psychology, and she is a member of OPA, APA, and PsyChi. Caroll has worked at United Mechanical Service for 18 years, where she stays ...
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Sandy Wheat
Dispatcher
No info.
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Heather Bussell
Dispatcher
No info.
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