Founded in 1973, SEI has served the Power, Paper, Recovery, Building Products, Refinery, Steel and Cement markets heavily for much of these past 40 years.  The SEI-Group is comprised of three operating units:  Southern Environmental, Inc. Southern Erectors, Inc. and Thermal Systems Group.  These business units are integrated into a tightly knit group who self-perform vertically integrated Design and Construct projects.


Engineered Technology includes the following:


   • Electrostatic Precipitators

   • Baghouses

   • Scrubbers

   • Dry Sorbent Injection

   • Paper Machine Hood and Equipment Ventilation Systems


Engineering Inspection, Surveys and Consulting


SEI-Group is ASME U Stamp and National Board R Stamp Certified


Customized Construction and Fabrication Services




SEI maintains offices in Pensacola, Florida and Westerville, Ohio.  The Pensacola campus serves as the corporate headquarters for SEI-Group and houses our fabrication facility as well as our engineering and construction management teams.  The Westerville, Ohio office houses our process engineering specialists, project engineers, and serves as a Midwest Regional Hub for the group.  Both SEI offices interact as a cohesive unit to bring vertically integrated Design and Erect solutions to our client base.

Internationally, SEI-Group has performed projects in Antarctica, Argentina, Bolivia, Brazil, Canada, China, India, Mexico, Qatar, Russia, Singapore, South Korea, Sweden, Taiwan and Thailand.

6540 W Nine Mile Road | Pensacola, FL 32526 | Phone:  850-944-0013  | SEIinfo@sei-group.com