Find engineering consulting firms by capability and location.

A&J Consulting Engineering Services, P.C. is a full-service MEP consulting engineering practice headquartered in Clifton, New Jersey. Founded in 1988 by Jay Agarwal, P.E., A&J delivers mechanical, electrical, and plumbing systems design, pharmaceutical validation and commissioning, construction administration, sustainable design, and high-technology systems consulting. Clients span the pharmaceutical, biotechnology, commercial, educational, governmental, industrial, and religious sectors across the New York-New Jersey region.

Project: Validation of an Aseptic Vial Filling Line

Leaders in professional engineering for over 40 years

Project: Passamaquoddy Water Treatment Plant

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.

Service detail: Asbestos Services

Sustainable, Innovative Engineering Solutions

Service detail: Engineering, Consulting and Design

Cost Effective Engineering

Service detail: Naval Architecture and Marine Engineering

Founded in 1965, ANRON is a privately owned, full-service HVAC manufacturing, installation, and maintenance organization serving metropolitan New York, including the five boroughs of New York City and Nassau and Suffolk Counties on Long Island. Operating through specialized units ANRON Air Systems, Inc. and ANRON Mechanical Services, Inc., it provides vertically integrated sheet metal fabrication, mechanical installation, and ongoing maintenance. The organization serves premier construction managers and facility owners across diverse sectors, including commercial offices, retail centers, healthcare facilities, educational campuses, research laboratories, and correctional institutions.

Project: Sunset Park High School

Trusted Expertise in Mechanical, Electrical and Plumbing Engineering Design

Project: Glasshaus In The Grove

Many Disciplines One Team

Project: Haven Hollow Park Improvements

Engineering, Training & Technology Solutions since 2002

Service detail: Power Management & Data Acquisition

Engineering design, construction support and construction inspection services for transportation infrastructure

Project: Route 440 Ramp Over Route 35 Bridge Deck Replacement

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.

Project: Western Butler County Authority Administration Building

AFJMc is a consulting engineering firm with more than 55 years of experience delivering civil, structural, mechanical, electrical, and transportation engineering services. Its portfolio includes roadways, bridges, utility and site design, industrial process systems, higher education facilities, healthcare facilities, government buildings, sports and recreation facilities, and commercial projects.

Project: Jimmie Davis Bridge (LA 511) Replace/Rehab

Partner with Leaders in MEP Engineering

Project: Francis Tuttle - New Danforth Campus

Alliant Systems is an integrated mechanical engineering and construction firm headquartered in Portland, Oregon, with offices in Eugene and Bend, Oregon, and Seattle, Washington. Founded approximately 25 years ago, Alliant provides in-house mechanical systems engineering, mechanical construction, HVAC and plumbing service, building automation, and energy consulting for commercial, institutional, and light-industrial clients across Oregon and Washington. The firm is known for a true design-build process that integrates engineers, project managers, and field personnel from concept through commissioning, and all principal engineers are LEED-certified.

Service detail: Mechanical Systems Engineering

Bringing 40+ Years of Experience to Solve Your Corrosion Challenges

Service detail: Cathodic Protection Services

Expert commissioning and MEP engineering solutions delivering precise building performance and sustainable design.

Project: Mt. Greenwood - Annex II

Leading the global energy transition as a full-service energy partner

Service detail: Energy Efficiency

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

Arnold & Associates, Inc. (A&A) is an Operations and Maintenance (O&M) engineering consulting practice founded in 1988 and based in Roswell, Georgia. It provides professional engineering, training, technical O&M consulting, and staff support services. Its capabilities serve industrial and utility systems, steam and electric power generation, building HVAC systems, and similar facility operations. The practice specializes in the efficient management and utilization of personnel, energy, rotating equipment, boilers, steam and combustion turbines, and diesel-engine-driven components. It also offers technical recruiting, energy conservation surveys, and professional power engineering licensing preparation seminars.

Service detail: Operations & Maintenance Consulting

Multidisciplinary Engineers for Land and Sea

Project: Ediz Hook Shoreline Restoration

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

Project: Mohs & GI Procedure Room Renovation

BE Structural is a structural engineering consulting firm established in August 2002 and headquartered in Wormleysburg, PA. It provides professional consulting services in structural engineering design, rehabilitation, repair, and forensic engineering for new and existing residential and commercial structures. The practice serves architects, engineers, building owners, insurance companies, and attorneys across the Mid-Atlantic region, with forensic investigation capabilities spanning 25 or more states.

Project: Earthbag Domes - Big Island of Hawaii

Expert energy sustainability consulting to optimize utility management and green building operations.

Service detail: Sustainability Evaluation

Specialized MEP Technical Support, Commissioning, and Energy Consulting

Project: Google Washington DC Office Commissioning