Find engineering consulting firms by capability and location.

Industrial Facility Engineering

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.

Powering Your Future

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.

Premier Engineering Design, Construction Support, and Maintenance Services

Building Science Leadership

Innovative Ideas | Exceptional Design | Unmatched Client Service

Engineering for Everything.

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.

Redefining the industry. Transforming your experience.

Nationally recognized. Locally preferred.

Trusted. Experienced. Multidisciplined.

Advance Your Vision

We conquer water and wastewater challenges.

MEPT engineering for complex buildings

Unparalleled customer service, collaborative teams, and thoughtful designs.

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.

National Presence. Hyper-Local Focus.

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.

Delivering successful projects through experience and innovation.

Higher Standards. Better Results.

Engineering a Better World

Architecture. Engineering. Surveying.

Engineers, Architects & Surveyors Dedicated to Your Operational Success