Find engineering consulting firms by capability and location.

Advanced Engineering Consultants specializes in providing mechanical, electrical, plumbing, fire protection, technology, and utilities engineering design and construction administration services for the built environment. Established in 1998, the practice works collaboratively with owners, architects, and contractors across the Midwest, the nation, and globally. It has completed nearly 2,000 projects across diverse sectors including government, healthcare, education, and commercial markets.

Project: Columbus Division of Police Crime Laboratory Renovation

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

Building Science Leadership

Project: CMTA Corporate Headquarters Building 2

Engineering for Everything.

Project: Expansion of Buffalo Trace Distillery

Founded in 1967 by Joseph F. Denk, Sr., Denk Associates, Inc. is a mechanical and electrical engineering consulting practice based in Cleveland, Ohio. Offering decades of engineering experience, it delivers comprehensive MEP engineering design, commissioning, and sustainable design services to architects, developers, and building owners on local and national scales. Its portfolio encompasses medical research facilities, hospitals, hotels, multifamily housing, university laboratories, and historic renovations, including several projects designed to meet LEED Platinum certification. By utilizing a dedicated project manager model where both mechanical and electrical project managers continuously review designs from concept to construction completion, it builds long-term collaborative partnerships.

Project: Cleveland Clinic Global Leadership and Learning Institute

Nationally recognized. Locally preferred.

Project: Future Legends Sports Complex

MEPT engineering for complex buildings

Project: Heart and Vascular Institute

Unparalleled customer service, collaborative teams, and thoughtful designs.

Project: Ohio Expo Center State Fairgrounds Improvements

Landmark Facilities Group, Inc. engineers mechanical, electrical, plumbing, fire protection, and life safety systems for buildings ranging from historic museums and sacred sites to schools, libraries, and municipal facilities. Founded in 1988 and headquartered in Norwalk, Connecticut, Landmark has delivered MEP design across more than 25 states and internationally. Its engineers bring specialized expertise in historic preservation environments, geothermal and photovoltaic system integration, energy auditing, building automation design, and commissioning.

Service detail: Mechanical Engineering

National Presence. Hyper-Local Focus.

Service detail: Civil Engineering

McHenry & Associates, Inc. is a consulting MEP engineering firm in Warrensville Heights, Ohio, providing independent mechanical, electrical, and plumbing engineering services since 1960. Built on a foundation of repeat-client referrals, it serves Northeast Ohio and clients across the United States with building system design, building assessments, code analysis, feasibility studies, energy audits, building energy modeling, commissioning, and LEED sustainable design across education, healthcare, commercial, industrial, religious, retail, and institutional project types.

Project: John Carroll University - Athletic, Wellness & Event Center

Delivering successful projects through experience and innovation.

Service detail: Architecture

Higher Standards. Better Results.

Project: FC Cincinnati Mercy Health Practice Facility

STAN and Associates, Inc. is a Dayton, Ohio mechanical, electrical, and plumbing consulting engineering firm founded in 1981, specializing in design engineering, commissioning, energy engineering, and expert witness services for building systems across a broad range of facilities nationwide. STAN Engineers brings a unique combination of design and commissioning expertise, with all projects staffed by licensed Professional Engineers.

Service detail: Design Engineering

Engineered for Impact

Project: Wake Tech East Campus

Simply better.

Project: Aeronautics & Engineering Building Addition

Multi-disciplinary architectural and engineering design services

Service detail: Architectural Design

Engineering + Material Testing

Service detail: Structural Engineering

It's more than architecture, it's about building your legacy.

Service detail: Architecture