About Us

Our Mission


Pursue the job with enthusiasm, use innovative ideas to do the best possible job with the best possible team. By using our experience on both a National and International level, we are able to bring to the table a broad level of expertise.


Enjoy each job and the challenges it presents. Enjoy making and forming new friendships. Embrace integrity and adhere to the highest ethical standards.


Continuously making sure to further enhance our knowledge by utilizing our educational resources. Keeping as up to date as possible in our fields is a must. Always using the latest technologies available to us. Our design goal is to meet and exceed our clients’ needs.


Our mission is to provide a superior and cost effective engineering service while ensuring client satisfaction. We will always strive to deliver professional plans on time and in person.

Give Back

We hope to help make our community a self-sustaining, and energy efficient environment to live in, and a safe place as well. We will embrace opportunities to help educate our community.

Our Team

  • Lawrence E. Stephens Jr. P.E.


  • Mitchell Hughes

    Mechanical Designer, CADD Operator & Quality Control Manager

  • Lyle Stephens

    Mechanical Engineer

  • Jimmy


  • Brandi


Lawrence E. Stephens Jr. P.E.


Stephens graduated from Biloxi High School in 1974. He furthered his education at the University of Southern Mississippi where he obtained B.S. in biology. Shortly after, he discovered his passion for engineering and earned his B.S. in Mechanical Engineering from Mississippi State University in 1984. Stephens gained his experience working as a partner in a local engineering firm for 27 years and has now decided to pursue his dream of opening his own firm. He is now able to provide a very high level of services to those clients he has cultivated over the years and looks forward to working with new clients.

He is licensed in the state of: Florida, Alabama, Mississippi, Louisiana, and Texas. He is a LEED Certified Professional AP (BD+C), and also is a certified ACG Commissioning Agent. He is an active member of ASHRAE, Mobile Chapter, where he previously held the office of President, and served on as an ASHRAE Delegate to the Regional Convention. He has won awards for his LEED Certified GOLD Buildings, Grand Bay Neer, and also the Stennis Emergency Operations Center.

He has a high work ethic and will work to get the job done on time. He listens to his clients so that he can meet or exceed their individual expectations. Stephens loves and embraces the challenges engineering brings, calling it, “his life’s work.” He has never met a stranger and has developed long lasting-friendships and professional relationships with clients.

Mitchell Hughes

Mechanical Designer, CADD Operator & Quality Control Manager

Mitch is currently a Mechanical Designer and Quality control Manager for Stephens Mechanical. He and Lawrence have been a team working together for 21 years. Mitch has 28 years of experience.

Mitch has design experience in commercial, industrial, and military projects. He is versed in various systems of mechanical means including chill water, DX, split, and city multi type equipment. Mitch is a Team Leader and ensures quality control of each project. In addition Mr. Hughes has been involved in many facets of plumbing and HVAC design. His skills include the laying out of design of domestic and waste water as well as HVAC Systems. His education includes a three year apprenticeship program in Marine Engineering Design, an Associates Degree of Science and Design Technology from USM Gulf Park Campus & MGCCC Jackson County Campus in 1986. He has also attended various seminars and system design tool applications through vendors.

Mitch is proficient with AutoCad, Revit, Microsoft Word and Excel, HAP HVAC Design software, and other engineering software tools.

Lyle Stephens

Mechanical Engineer

Lyle graduated from Biloxi High School in 2006. He earned his Bachelor of Science in Mechanical Engineering from University of South Alabama. During his time at USA, he was actively involved with the student chapter of ASHRAE and served as President. He is actively involved today with ASHRAE Mobile Chapter and is the current President. Lyle is proficient in AutoCad, Revit, and energy modeling.



Jimmy earned his Bachelor's Degree in 2020 from Mississippi State University. He is a lifelong resident of the Mississippi Gulf Coast.



Brandi joined the team in September of 2022. Before working at Stephens Mechanical, she worked for a local dentist firm serving customers. She's a lifelong resident of Gulfport and enjoys spending time with her family.