With over 50 years of experience providing HVAC, piping, fabrication, and advanced systems solutions, PAT L McKENZIE, INC. is Mississippi’s most trusted partner for commercial and industrial projects.
Work.
Experience, integrity, innovation.
PLUMBING // PIPING
Our plumbing & piping experts are the best in their field, providing effective and durable solutions for your plumbing/piping needs. We develop and install systems right the first time, making sure your business can function as intended.
HVAC
We are an industry leader in the design and installation of advanced heating, ventilation, air conditioning, and refrigeration systems.
ADVANCED TECHNOLOGIES
PLM prides itself in maintaining leading-edge expertise in emerging mechanical systems, ensuring our clients have access to the most technologically advanced solutions available across industries.
FABRICATION
Our in-house fabrication capabilities are industry-leading, helping you save valuable time and money during the planning and construction processes.
Solar.
Own Your Power.
Leveraging generations of experience and advanced mechanical knowledge, PLM is your ideal partner for taking advantage of modern solar technology to claim your energy independence. Click below to learn more.
I’m something about a client loving our work.”
Happy Client
I’m something about a client loving our work.”
Happy Client
I’m something about a client loving our work.”
Happy Client
Projects.
Who we are.
For the past 50 years and the next 50, PLM is here to work for you.
PAT L McKENZIE INC was founded on the power of the entrepreneurial spirit. We believe that through a strong work ethic, a sense of personal responsibility, and a trained and competent workforce, we can achieve great things for the people and businesses of our home state.
Since 1969, we’ve partnered with small businesses and corporations across the state to bring innovation and growth to the people of Mississippi. We help secure a great future for entrepreneurs and business owners right here at home through creative solutions and smart partnerships.
The University of Southern Mississippi trusted us to install solutions like a 1,400-ton mechanical plant for its Polymer Science Research Center. Forrest General Hospital put us to work to build their generator plant and many other renovations and additions. The MS National Guard, FEMA, various local school districts, and more have entrusted us with some of their most complex and vital advancements.
We are mechanical contractors, which means we understand complex technology and its role in securing a strong future for your business.
- University of Southern Mississippi
- Forrest General Hospital
- Pine Grove Recovery Center
- Mississippi National Guard
- Lamar County, MS
- Pearl River County, MS
- Hattiesburg Clinic
- Pine Grove Recovery Center
- First Baptist Church of Laurel
- First Baptist Church of Hattiesburg
- Temple Baptist Church
- William Carey University
- Walthall County General Hospital
- Southern Bone & Joint
- Forrest County, MS
- Forrest Funeral Home
- Indian Springs Baptist Church
- Lincoln Center for Physicians
- Petal Schools
- Jones County Schools
- South Central Regional Medical Center
Contact.
Get in touch.
For Project and Contract
Inquiries
