Public engineering firm directory
Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.
95 results
Showing 1-24 of 95
Onshore or offshore. Upstream, midstream, or downstream.
Service detail: Facilities Engineering and Design
Great experiences build great results
Project: Hospital Campus Seismic Risk Assessments
Harmonizing Relationships, Sustainability and Innovation
Project: The Lucas Museum of Narrative Art
Making Bold Visions Work
Project: David Rockefeller Creative Arts Center
Engineering Strong Communities
Project: UCS Henry Ford II High School 2025 Athletic Improvements
Founded in 2017, Annex Engineering Group is a service-oriented MEP and fire protection engineering firm based in Columbus, Ohio. Annex offers mechanical, electrical, plumbing, and fire protection coordination engineering for projects ranging from office remodels, multi-family residential, and restaurants to manufacturing/industrial facilities and historical renovations. Licensed in 49 states and Washington D.C., Annex serves as the prototype engineer for several national clients, establishing design standards that reduce construction costs and timelines while increasing consistency and quality.
Service detail: Mechanical Engineering
Designing Experiences. Building Relationships.
Service detail: Master Planning & Site Analysis
Creative Vision Technical Precision
Project: CRISP Shared Services
Dams, Levees, Severe Flooding, and Geotechnical Services
Project: Inundation Mapping, Hazard Assessments and Emergency Action Plans for Forest Service Dams
Inspiration. Innovation. Simplicity by Design.
Project: Boeing 747 Forward Staircase Replacement
Your plans become our plans.
Project: Lighthouse Baptist Church
Your Vision. Our Experience. ONE CHOICE.
Project: Greenway Trail Bridgeway
We make buildings come to life
Project: Kirtland Air Force Base Microgrid Resiliency Project
Specialized civil and environmental engineering for waterworks, wastewater, and solid waste in southern New England
Service detail: Waterworks Engineering
National Architecture, Engineering, and Interior Design
Project: CD Companies Headquarters Remodel
Delivering creative and efficient multidiscipline solutions for facilities and infrastructure needs.
Service detail: Architecture and Interior Design
CSHQA is a multi-discipline architecture and engineering firm founded in 1889, with offices in Boise, Denver, and Sacramento. For more than 135 years, CSHQA has designed airports that keep passengers moving, historic structures given decades more life, hotels that become destinations, and civic spaces that anchor communities. More than 100 professionals across three offices serve clients in markets including aviation, adaptive reuse, hospitality, retail, grocery, higher education, and multifamily housing, with services spanning architecture, mechanical, electrical, plumbing, and civil engineering, historic preservation and restoration, interior design, landscape architecture, and modular design.
Service detail: Architecture
Mechanical/Electrical Professional Engineers.
Project: Marathon Oil Operations Center
Architectural, Electrical & Mechanical Design
Project: Montclair State University
Imagine. Create. Improve.
Project: Google Henderson Hub
Aerospace structural engineering and FAA certification support
Service detail: Aerospace Structural Analysis
Celebrating 20 Years of Excellence
Project: WGTS 91.9 Radio Station
Making ideal happen.
Service detail: Architecture
Taking Innovation To New Heights
Service detail: Bird Strike Analysis and Testing