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Meet Our Team

Donohue Commercial Service
Our Team - Steve Yeagle

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 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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Donohue Commercial Service
Our Team - Jon Heaps

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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Donohue Commercial Service
Our Team - Darryl Adams

Darryl Adams

Project Manager / Sales

No info.

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United Mechanical Service
United Mechanical Construction
Donohue Commercial Service
Our Team - Brandon Mack

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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Donohue Commercial Service
Our Team - Chris Clark

Chris Clark

Maintenance Sales

Joined Donohue Commercial Service in 2023, prior to that he served in maintenance sales for United Mechanical Service for 7 years. Chris has over 25 years experience in customer...

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United Mechanical Service
Donohue Commercial Service
Our Team - Melissa Tash

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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United Mechanical Service
Donohue Commercial Service
Our Team - Carroll Harris

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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Donohue Commercial Service
Our Team - Sandy Wheat

Sandy Wheat

Dispatcher

No info.

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Donohue Commercial Service
Our Team - Heather Bussell

Heather Bussell

Dispatcher

No info.

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