Find engineering consulting firms by capability and location.

3 Consulting Engineers is an MEP consulting engineering firm based in Denver, Colorado, focused on commercial projects ranging from multifamily to healthcare. Celebrating over 10 years in business, the firm delivers HVAC, plumbing, and lighting designs on time and on budget. Licensed in Colorado and 34 other states, 3 Consulting Engineers serves restaurants, offices, grocery stores, hotels, retail, multifamily buildings, and surgery centers.

Service detail: HVAC and Plumbing Systems

Any Scale, Every Detail Handled.

Project: Saks Fifth Avenue Flagship Renovation

Build better. Design right.

Service detail: Mechanical Engineering Design

Innovative and sustainable engineering solutions

Project: Michoacan Ice Cream Shop

Harmonizing Relationships, Sustainability and Innovation

Project: The Lucas Museum of Narrative Art

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

Associated Consulting Engineering, Inc. (ACEI) is a consulting engineering firm based in Sioux Falls, South Dakota, providing mechanical and electrical systems design since 1987. ACEI offers integrated MEP engineering services for the design of plumbing, fire protection, HVAC, building automation, lighting, power, sound, and communication systems for public and private clients across a broad spectrum of residential, commercial, industrial, and institutional project types. The team is professionally registered in South Dakota, North Dakota, Iowa, Wisconsin, Nebraska, and Minnesota, with additional state licensing available upon request.

Service detail: Mechanical Design

Engineering Design & Consulting

Service detail: Mechanical Engineering

A Partnership Built for Success

Project: Audi of Kansas City

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

Committed to Customer Satisfaction through Quality Engineering

Project: The Eastern (North Hills Tower IV)

Professional electrical and systems engineering for high-performance buildings

Project: Laing Middle School & Jennie Moore Elementary

Engineering Performance. Delivering Innovation.

Service detail: Mechanical Engineering

Delivering Innovative Engineering Strategies to Ensure Project Success

Project: Cornell University North Campus Expansion

Full-service consulting engineering practice specializing in MEP, fire protection, and LEED-certified designs.

Service detail: Heating, Ventilation, and Air Conditioning (HVAC)

Dialectic Engineering is a full-service mechanical, electrical, and plumbing (MEP) engineering design and consulting firm licensed in all 50 states. Dialectic delivers inventive and sustainable MEP designs that integrate seamlessly into projects across a wide range of industries, from restaurants and retail to multifamily and healthcare, with a focus on communication, quality, and scheduling to ensure on-time and on-budget delivery for architecture and construction clients.

Service detail: Mechanical Engineering

Sustainable - Cost Effective - Engineered Design

Project: AT&T Offices

Partnerships Through Engineering

Service detail: Mechanical Engineering

GCC Engineers is a multidisciplinary MEP engineering consulting firm with nearly 30 years of experience offering mechanical, electrical, and fire protection engineering for commercial, industrial, religious, medical, retail, and residential projects across the southeastern United States. Operating from offices in Paducah, Kentucky and South Fulton, Tennessee in partnership with DW Collier Engineering, GCC is licensed in over 28 states and provides on-site and remote engineering consulting from initial design through construction.

Service detail: Electrical Engineering

MEP & Fire Protection Engineering Services

Project: Suitland Federal Center Bureau of Economic Analysis Relocation

Fast and Accurate MEP Design at Affordable Rates

Service detail: Mechanical Engineering

Where Your Business & the Environment Meet

Project: Nassau Street TD Bank & Residential Building

Building the Future Through Expertise and Creativity

Service detail: Civil Engineering

Design Focused, Budget Minded.

Project: Linder