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Public engineering firm profile

303rd Engineering Group, LLC

St. Louis, MO

Successful Partnerships, Successful Projects

Services
6
Offices
1
Projects
5
Leaders
1
Founded
2005

Overview

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.

Founded
2005

Services

Electrical Engineering

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

Mechanical Engineering

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

Industries

Firm type

Project types

Projects

Airmen's Dormitories, Scott Air Force Base

Illinois | U.S. Air Force | Defense

View project source

Campground Facilities and Visitor's Center, Johnson Shut-Ins State Park

Missouri | Parks & Open Space

View project source

Hospitals for the Missouri Department of Mental Health

Missouri | Missouri Department of Mental Health | Healthcare

View project source

Software

Credentials and affiliations

Certifications

Leadership

Charles K. Fiedler

Founder

P.E.

Founded 303rd Engineering Group in 2005 with over 40 years of experience in consulting electrical engineering.

Offices

Headquarters

Headquarters

10420 Baur Blvd.

St. Louis, MO 63132

314-664-3382

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