Who We Work With

For over 45 years United Mechanical has provided unsurpassed customer service, quality of work and attention to detail to clients across Oklahoma. 


“Our relationship with United Mechanical spans 4 decades in the Oklahoma City area and it has been a privilege to partner with their staff of talented employees. They approach every project with integrity and professionalism and have been integral in the growth and development of the metropolitan area. It has been our pleasure to have partnered with United Mechanical and look forward to future opportunities to continue to strengthen our relationship and grow our community.”

Kirk Mammen
Vice President, Area Manager | Flintco, LLC

“United Mechanical has been a pillar for us on multiple complex projects. Regardless of the complexity or the duration we've been able to count on United Mechanical for first-class results every single time. They truly partner with you in order to deliver the best product. If you’re considering making United Mechanical a part of your team, | promise you'll be happy with your decision.”

Shawn Driver
Principal L5 Construction

“United Mechanical continues to deliver a quality service—the same quality service they have provided for over 40 years. They demonstrate honesty, integrity, and a high Level of customer service and professionalism. I would recommend United Mechanical to anyone in the commercial construction industry.”

Lewis N. Pontikos
Former Vice President | J L Walker Construction Co.

“We respect and appreciate our relationship with United Mechanical. UMC provides world class technical strength in the HVAC and plumbing trades from estimating through commissioning. We enjoy working with UMC because they value relationships above all other parts of the process. Construction can be a tough business, but with partners like UMC on our teams it makes it truly enjoyable. We highly recommend UMC and look forward to the future together!”

Josh Martin
Founder | Vincit Constructors

“We have really enjoyed working with United Mechanical on projects of varying sizes. United’s focus on detail and workmanship make them an easy choice for any of our projects.”

Dan Bowlware
Business Development Representative | THE KORTE COMPANY

“I have worked with United Mechanical for the past 31 years. United has performed professionally and consistently for our long relationship. Our project range has been from $20,000 to $20,000,000 with the same service and dedication. | believe relationships are made when problems occur, or needs arise. United has risen on every occasion to solve problems, provide the solutions, or help us to the finish line with great field and office leadership.”

William G. White, Jr.,
Partner | William White and Associates, LLC

All of our divisions pride themselves on their reliability, care and attention to detail, which makes us a great fit for operations that rely on their heating and cooling equipment, not only for the comfort of their employees and patrons but to the core functions of their business as a whole.

The construction and maintenance of the HVAC systems in these types of facilities requires precision, consistency, accountability and expertise that United Mechanical is uniquely positioned to provide.

We Specialize in Serving:

Untitled design (85)




data center

Data Centers



med facility

Medical Facilities


Large companies with temp sensitive warehouse/storage



Untitled design (10)


Untitled design (11)

Manufacturing Industries