HLDSR Engineering LLC
Where quality is excellence and clients are family
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Find the right engineering partner.
Explore capabilities, project experience, and office locations to build your shortlist.
Explore capabilities, project experience, and office locations to build your shortlist.
Where quality is excellence and clients are family
Your Vision. Our InNovation.
Innovative Solutions in Architecture & Engineering Since 1910
Pittsburgh, PA
Professional planning, design, and forensic engineering services
Apalachin, NY+1
Civil Engineering and Stormwater drainage assessment and modeling.
Marietta, GA+6
Structural Engineering Design and Structural Design & BIM/3D Modeling.
Miami, FL+2
Mechanical Electrical Plumbing Engineers
Fremont, CA+6
Project Leadership · Engineering · Design
Lisle, IL+3
Improving Life Through Design
Detroit, MI
An Experienced & Updated Perspective on MEP Engineering Services Delivery
Civil Engineering and Site Planning.
Mechanical & Electrical Engineering, Consulting, Design
Tulsa, OK
Indianapolis engineers specializing in mechanical, electrical, plumbing, and energy solutions.
Indianapolis, IN
Mechanical/Electrical Professional Engineers.
Billings, MT
Delivering Innovative Engineering Strategies to Ensure Project Success
Atlanta, GA+3
Superior Standards
Kennewick, WA
Architecture and Interior Design.
Raleigh, NC
Mechanical Engineering and Heating, ventilating, and air conditioning (HVAC).
Traverse City, MI
Committed to Excellence From Concept to Completion
St. Louis, MO+2
Engineering | Architecture | Management
San Juan, PR+1
Smart Engineering. Real-World Impact.
We Engineer Simple Solutions
El Cajon, CA
Providing mechanical and electrical engineering services in Alaska since 1996.
Anchorage, AK
Your Partner in Innovative Engineering Solutions
Merrillville, IN+2