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

Building+Business Solutions

Project: 730 3rd Avenue C-PACE Study

Customized MEP design and construction services under one roof.

Project: Gordon Science Center Commissioning

Critical infrastructure commissioning, electrical testing, and facility operations support.

Service detail: Commissioning

Customized MEP Solutions

Service detail: MEP Engineering Design

Experts in improving your business by increasing your entire building's performance, efficiency and comfort

Service detail: Commissioning and Optimization

Your Engineer

Project: Flagship Property HVAC Remediation

Electrical, Mechanical & Sustainable Engineers

Project: UC Berkeley Hearst Gym

A fully integrated engineering and design practice focused on innovation, sustainability, and excellence

Project: The Stamford Hospital

Innovative Engineers Inc. (IEI) is a mechanical and electrical engineering design consulting firm based in Iowa City, Iowa, serving architects, developers, contractors, corporations, institutions, and government clients. IEI provides MEP systems design, commissioning, energy audits, energy modeling, renewable energy and geothermal design, LEED consulting, and construction management across commercial, residential, healthcare, institutional, and industrial sectors.

Project: Prairie Street Brew House Mixed Use Development

A full service mechanical, plumbing, and electrical engineering firm.

Service detail: Mechanical Engineering

The Difference Is ME

Service detail: Mechanical, Electrical, Plumbing Design

Matrix Consulting Engineers, Inc. is a Michigan-based mechanical and electrical engineering consulting practice serving private and public sector clients since 1999. Drawing on dedicated mechanical and electrical engineering teams, it delivers cost-effective, on-time design solutions for commercial, industrial, healthcare, educational, institutional, and municipal projects across greater Michigan and beyond. Core capabilities span HVAC, fire protection, plumbing, power distribution, life safety systems, and building commissioning, with an emphasis on long-term client relationships and sustainable, efficient outcomes.

Project: Kent County Road Commission

Excellence by Design, Sustainability by Commitment

Project: The Momentary

Higher Standards. Better Results.

Project: FC Cincinnati Mercy Health Practice Facility

Engineering for Sustainable Systems

Project: LL97 and Decarbonization Roadmap for Pfizer Building

Engineering Excellence Delivered

Project: Commercial Facility - Dallas, TX

Pioneering Innovation Since 1965

Project: Gary/Chicago Airport Air Cargo Development Services

Colorado and Montana's Full-Service Engineering Practice

Project: Lash Boulevard Salon

Building Partnerships, Designing a Greener Future

Project: San Antonio Community Colleges New Science Building

Innovative. Efficient. Sustainable.

Project: Mercedes-Benz Stadium Commissioning

Connect. Create. Contribute.

Project: I-490/IL 390 Interchange

35+ Years Designing High-Performing Buildings.

Project: Travis County Executive Office Building Renovation

Making a Difference Through Engineering

Project: USAFA Hosmer Visitor Center