ATC Design Group
Escondido, CACalifornia's Only One Stop Shop
Service detail: Planning and Permitting
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California's Only One Stop Shop
Service detail: Planning and Permitting
Engineering Our Future, One Project at a Time.
Service detail: Electrical Engineering

Many Disciplines One Team
Project: Haven Hollow Park Improvements
Apex Technology Inc. is a full-service construction engineering company based in Jacksonville, Florida, providing coordinated structural, MEP, and component design and engineering services for residential homebuilders nationwide. Using BIM, Revit, and virtual construction modeling (3D through 6D), Apex streamlines design workflows, reduces build times, and lowers construction costs for single-family and multi-family builders. It focuses primarily on the residential and multifamily markets across the Southeast, Mid-Atlantic, Midwest, and Southwest United States.
Service detail: MEP Engineering
Comprehensive Engineering Solutions
Service detail: Civil Engineering and Site Development

Building Partners
Project: Bob Bolen Public Safety Complex
Dynamic Design, Reliable Results
Service detail: Mechanical, Electrical & Plumbing (MEP)
Bright People. Powerful Solutions. Better Communities.
Service detail: Civil Engineering
Multidisciplinary Engineering Centered on Solutions
Project: UConn Health CT-4 NESCI/CBDC Relocation and Renovation
Mechanical, Electrical, Plumbing, Fire Protection, Structural
Project: Janesky Residence

Celebrating 40 years of Excellence
Project: Back River Wastewater Treatment Plant Headworks Improvement and Wet Weather Equalization

We Engineer Your Problems Into Solutions
Project: MEP Project in Spring Cypress
We Shape The World We Live In
Service detail: Structural Engineering

Engineering excellence
Project: Airbus Final Assembly Line

Building the Future
Service detail: Construction Management
Licensed MEP, Structural, and Civil Engineering Services in Texas
Project: College of the Mainland
Engineers, Architects & Surveyors Dedicated to Your Operational Success
Project: Sherwin-Williams Headquarters Tower - Construction Surveying
Better systems, better places.
Project: Hursey Center for Advanced Engineering and Health Professions

S3DA Design is a structural and MEP engineering firm with offices in California, Texas, and Florida, providing services nationwide. By integrating structural and MEP design under one roof, S3DA acts as a single source of responsibility for architects, real estate developers, contractors, and property owners. With over 20 years of experience and more than 4,600 completed projects covering over 300 million square feet, the engineers deliver code-compliant designs across commercial, residential, healthcare, industrial, and educational sectors.
Project: MEP Design for Single-Family Residence
Professional Structural and Mechanical Engineering Consultancy
Service detail: Structural Engineering

Engineering solutions to enhance communities
Project: Steven Tanger Center for Performing Arts

Engineering + Material Testing
Service detail: Structural Engineering