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


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