We evaluated 50 mechanical & energy engineering agencies based on client reviews, expertise, and track record to bring you the top performers of 2026. Whether you need a specialized boutique firm or a full-service partner, this curated list helps you find the right match for your project.
M/E Engineering, P.C. provides mechanical and electrical engineering services including initial programming, planning and feasibility studies; schematic design and systems life cycle cost analysis; design development and value engineering; engineers’ estimates of probable construction costs.
Foxconn is the world’s largest electronics manufacturer. Foxconn is also the leading technological solution provider, and it continuously leverages its expertise in software and hardware to integrate its unique manufacturing systems with emerging technologies.
Dunham is a full service mechanical and electrical consulting firm. By holding professional registrations in all 50 states, the District of Columbia, Puerto Rico, and Canada, Dunham can offer fully coordinated.
Celestica enables the world's best brands. Through our unrivaled customer-centric approach, we partner with leading companies in aerospace and defense, communications, enterprise, healthtech, industrial, capital equipment, and smart energy to deliver solutions for their most complex challenges.
I. C. Thomasson Associates, Inc. (ICT) is an employee-owned, multidisciplinary engineering firm providing expertise in mechanical, electrical, controls, plumbing, fire protection, information technology, energy efficiency and environmental services. With offices located in Nashville.
BKF Engineers provides engineering, surveying, and land planning services for architects, commercial and residential developers, colleges and universities, cities and counties, governmental agencies, hotels, health care facilities, and large corporations.
Jabil is a manufacturing solutions provider with over 250,000 employees across 100 locations in 30 countries. The world's leading brands rely on Jabil's unmatched breadth and depth of end-market experience, technical and design capabilities, manufacturing know-how, supply chain insights and global product management expertise.
Founded in 1940, Degenkolb Engineers’ practice reflects more than eight decades of commitment to expertise, client service, and life-long learning. Our award-winning structural designs saved clients hundreds of millions of dollars and are delivered taking full advantage of our expertise and experience.
ThermalTech Engineering is a collection of highly skilled consulting engineers specializing in mechanical, electrical and energy management engineering since 1980. We have 8 offices in 6 states (Ohio, Michigan, Indiana, Pennsylvania, Tennessee and Texas)
Smith Seckman Reid, Inc. (SSR) is a 100% employee-owned engineering and consulting firm that believes in putting people first. Our clients are the driving force behind our dedication to providing engineering, commissioning, sustainability, and technology + equipment planning solutions.
Black & Veatch is an employee-owned, global leader in building critical human infrastructure in Energy, Water, Telecommunications and Government Services.
Arcadis is the leading global Design & Engineering Consultancy for natural and built assets. Applying our deep market sector insights and collective design, consultancy, engineering.
Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges. We leverage our collective and diverse experience, technical expertise, and industry knowledge of structures and building enclosures, advanced analysis.
Martin/Martin, Inc. is a full-service civil and structural engineering and surveying firm, headquartered in Colorado since the 1940s. Growing steadily over the last decade, we have offices in 6 additional locations including Avon, CO; Fort Collins, CO; Larkspur, CA; Cheyenne.
Currently in our 76th year, the H.F. Lenz Company offers a full range of engineering services for building systems, infrastructure, and industry. Our projects span the nation, with the heaviest concentration in the Northeast.
For over 35 years, Arora’s solid mix of industry knowledge and expertise allows the firm to offer a broad spectrum of engineering services, including oversight, project management, and design of new and existing mechanical, electrical, plumbing, electrical aeronautical, fire protection.
Bechtel is a trusted engineering, construction and project management partner to industry and government.
Dedicated to sustainable development, Arup is a collective of designers, consultants and experts working across 140 countries. Founded to be both humane and excellent, we collaborate with our clients and partners using imagination, technology and rigour to shape a better world.
CMTA is part of Legence, a Blackstone portfolio company, specially created to be an Energy Transition Accelerator™.
AEI provides engineering leadership and innovative solutions for complex building, energy, and utility projects. From enhanced patient outcomes to climate-sensitive energy supply, we deliver high-performance engineered systems that positively impact society and help improve the world.
50Pros currently lists 50 verified Mechanical & Energy Engineering agencies, each with client reviews and detailed profiles to help you find the right partner.
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Agencies are ranked based on a combination of client reviews, response time, profile completeness, and overall engagement. Verified and featured agencies may appear higher in results.