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303rd Engineering Group, LLC

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314.664.3382

1935 Arsenal Street, St. Louis, Missouri   63118

Home
About Us
Services
Projects
Contact
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303rd Engineering Group is a St. Louis-based engineering firm, located in the historic Benton Park neighborhood.

The 303rd Engineering Group is a St. Louis-based professional engineering firm offering services for mechanical/HVAC, electrical and plumbing design. With clients from both the public and private sector, our project types include government, healthcare, commercial, industrial, residential and institutional. The company was started in 2005 by Charles K. Fiedler, a professional engineer with over 30 years of experience in consulting electrical engineering.

Who We Are

Since 2005, the 303rd has logged over 400 successful projects, 85% of them for repeat customers. As a full-service MEP firm, the 303rd provides engineering expertise for the following:

 

Successful Partnerships, Successful Projects

  • Architects
  • Design/Build Contractors
  • Government Agencies

 

Whatever the size or scope of your project, the 303rd can handle it. Past high-profile jobs include the Naval Special Weapons facility in Crane, Indiana; new campground facilities and Visitor’s Center at Johnson Shut-Ins State Park, Missouri; hospitals for the Missouri Department of Mental Health, and the Cancer Treatment Center in Swansea, Illinois. In addition, we have provided engineering design for numerous churches, libraries, schools, commercial buildings and assisted-living facilities throughout Missouri and Illinois.

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