About Us

Qualified Employees

We perform regular safety training, drug testing and stringent employment screenings to ensure that we only hire the most qualified applicants for every position we fill.

Excellent Customer Service

In business since 1981, we take pride in delivering friendly and professional customer service every time you call. We're fully insured and we possess certifications and licenses in HVAC, refrigeration, electrical, general contracting and plumbing. We provide FREE estimates on our services. Call us today.

Meet Our Management Staff

Joe Cook | President


After working in the commercial heating and air-conditioning industry since his childhood, Joe founded Union Mechanical Service Inc in 1981. Serving in the U.S. Army (1965 - 1968) instilled a sense of fairness and discipline in Joe, and he's carried this over into his professional career.

Attending North Florida University (1968 - 1971) taught Joe the necessary skills and abilities needed to manage various concurrent projects while treating each one with professionalism and efficiency. Because of Joe's leadership and industry knowledge, Union Mechanical Service Inc continues to grow.

Nena Cook | Vice President


Serving as both VP and controller, Nena has been with Union Mechanical Service Inc since 1986. She received her Bachelor of Science degree in Accounting from Wingate University and handles the internal day-to-day workings of the business.

Bill Gaither | Estimator


Bill is our lead on most of the projects we handle in South Carolina. He received his Bachelor of Science degree from Appalachian State University and is a member of the Tri-Co Construction Organization. Bill has been working in the HVAC industry for over 30 years and has helped Union Mechanical Service Inc become well-known in the state of South Carolina.

Stephen Little | Estimator / Manager


Stephen is the youngest project manager at Union Mechanical Service Inc. He covers all areas, no matter how large or small your project may be. He received his Bachelor of Science degree in Engineering from North Carolina State University and has advanced skills in Auto Cad, Six Sigma and Lean Manufacturing. He worked as a plant engineer for Consolidated Metco for ten years and is a great asset to Union Mechanical Service Inc.

Bill Griffin | Estimator


Bill handles our entire bid and spec work as well as various other design and build projects. He received his Bachelor of Science degree in Business from Wingate University and his Associate in Applied Science - Mechanical Technology degree from Central Piedmont Community College. Bill comes to us after a stint at Carrier Carolinas.

Susan Beaver | Office Manager


Susan began working for Union Mechanical Service Inc in 2006. She'll direct your call when you contact us.