303rd Engineering Group, LLC

Successful Partnerships, Successful Projects

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About the firm

303rd Engineering Group, LLC is a full-service MEP engineering firm based in St. Louis, Missouri, providing electrical, mechanical/HVAC, and plumbing design for public and private clients across government, healthcare, commercial, industrial, residential, and institutional sectors. Founded in 2005 by Charles K. Fiedler, P.E., it has delivered over 2,000 projects with an 85% repeat-client rate, including military facilities, state park visitor centers, hospitals, cancer treatment centers, schools, churches, libraries, commercial buildings, cold-storage warehouses, and assisted-living facilities throughout Missouri and Illinois.

Established
2005
Firm type
MEP

Credentials

LEED AP

People

Charles K. FiedlerFounder

Capabilities

Electrical Engineering

Service website

Provides electrical engineering design for commercial, government, healthcare, educational, and institutional facilities throughout Missouri and Illinois.

  • Fire Alarm Systems
  • Energy Conservation

Mechanical Engineering

Service website

Delivers mechanical and HVAC engineering design across government, healthcare, commercial, and institutional facility types.

Plumbing Design

Service website

Value Analysis

Service website

Industries

Government · Federal · Defense · Healthcare · Commercial · Retail · Financial Services · Education · Religious · Arts & Culture · Senior Living · Multifamily Residential · Residential · Industrial · Parks & Open Space · Freight & Logistics · Sports & Recreation

Projects

303rd Engineering Group, LLC - Engineering Firms