Top Engineering firms

Randomized order

This list includes the top Engineering firms. All firms are vetted so you can trust the agency you hire. We check if each firm is competent in their field, able to produce results, reliable & trustworthy, and well-equipped for long-term potential. To get started, you can click on any company and contact them directly. Engineering firms provide a variety of services related to engineering, design, and construction. These firms specialize in developing and implementing solutions to complex problems, ranging from designing new structures to improving existing ones.

Read more

Show less

AECOM

1990

75-200

100+

Dallas, Texas

Vetted & Verified

Recommended

AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from planning, design and engineering to program and construction management.

AECOM's engineering and architectural expertise have been instrumental in the successful completion of our large-scale infrastructure projects.

The collaborative and innovative approach of AECOM's team has been crucial in overcoming challenges and achieving excellence in our infrastructure developments.

Affiliated Engineers

1978

500+

100+

Madison, Wisconsin

Vetted & Verified

Recommended

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.

AEI Engineering's technical consultancy has enhanced the sustainability and efficiency of our building projects.

The sustainability and efficiency of our building projects were enhanced by technical consultancy and engineering solutions.

AKF Group

1989

201-500

100+

New York City, New York

Vetted & Verified

Recommended

In 1989, AKF was founded in response to clients’ needs for a mechanical, electrical, plumbing, and fire protection firm that provided engineering leadership, better communication, and direct access to the best talent to solve the challenges they faced.

AKF Group's engineering and design services have greatly contributed to the success and sustainability of our infrastructure projects.

Sustainability and innovation were brought to our infrastructure projects through their engineering and design solutions.

Arcadis

1888

500+

100+

Amsterdam, Netherlands

Vetted & Verified

Recommended

Arcadis is the leading global Design & Engineering Consultancy for natural and built assets. Applying our deep market sector insights and collective design, consultancy, engineering.

Arcadis' environmental planning and engineering services have been instrumental in our sustainable development projects.

Environmental planning and engineering services have been instrumental in our sustainable development projects.

Arora Engineers

1986

201-500

100+

Chadds Ford, Pennsylvania

Vetted & Verified

Recommended

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.

Arora Engineers' infrastructure and facilities solutions have significantly improved our operational efficiency and sustainability.

Arora Engineers' commitment to innovative engineering solutions has greatly enhanced our project efficiency and technical outcomes, setting a high standard in the industry.

Arup

1946

500+

100+

London, United Kingdom

Vetted & Verified

Recommended

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.

Arup's engineering and design services have contributed to the success and innovation of our major infrastructure projects.

The creative and sustainable design solutions from Arup have significantly improved our infrastructure projects, marrying aesthetics with functionality in an impressive way.

Bala Consulting Engineers

1982

75-200

100+

King of Prussia, Pennsylvania

Vetted & Verified

Recommended

Established in 1982 Bala Consulting Engineers, Inc. (Bala) is a multi-disciplined engineering design organization providing services to the Corporate, Transportation, Hospitality, Data Center, Laboratories, Healthcare, Education (Public & Private Schools), Pharmaceutical, and Retail markets.

Bala Consulting Engineers' expertise in mechanical and electrical systems has improved the functionality and sustainability of our facilities.

Bala's innovative workplace solutions have enhanced the functionality and aesthetics of our office, fostering a more collaborative and productive environment.

Bechtel

1898

500+

100+

Reston, Virginia

Vetted & Verified

Recommended

Bechtel is a trusted engineering, construction and project management partner to industry and government.

Incredible efficiency and attention to detail. Project exceeded expectations.

Outstanding project management skills and reliability. Impressive outcome.

BKF Engineers

1915

201-500

100+

Redwood City, California

Vetted & Verified

Recommended

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.

BKF Engineers' engineering solutions have improved our infrastructure projects.

BKF Engineers' expertise in civil engineering has been crucial to the successful planning and execution of our infrastructure projects.

Black & Veatch

1915

500+

100+

Overland Park, Kansas

Vetted & Verified

Recommended

Black & Veatch is an employee-owned, global leader in building critical human infrastructure in Energy, Water, Telecommunications and Government Services.

Black & Veatch's engineering services have enhanced our project outcomes.

Black & Veatch's specialized engineering solutions have advanced our sustainability efforts and operational efficiency.

Celestica

1994

500+

100+

Toronto, Canada

Vetted & Verified

Recommended

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.

Leaders in supply chain solutions. Dependable partners for streamlined operations.

Their proficiency in supply chain solutions really steared our project in the correct direction.

CMTA

1968

500+

100+

Louisville, Kentucky

Vetted & Verified

Recommended

CMTA is part of Legence, a Blackstone portfolio company, specially created to be an Energy Transition Accelerator™.

CMTA's engineering solutions have improved our project efficiency.

Their engineering and design expertise brought fresh, innovative ideas to our projects, leading to outstanding results and client satisfaction.

Degenkolb Engineers

1940

201-500

100+

San Francisco, California

Vetted & Verified

Recommended

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.

Degenkolb Engineers' structural engineering expertise has improved our project safety.

Degenkolb's engineering expertise was pivotal in our infrastructure projects, ensuring safety and innovation.

DeSimone

1969

201-500

100+

New York City, New York

Vetted & Verified

Recommended

DeSimone Consulting Engineering provides leading structural engineering, façade consulting, integrated design and detailing, forensic, and construction consulting services for all types of buildings..

DeSimone Consulting Engineers' expertise ensures our structures are robust and innovative.

DeSimone Consulting Engineers' expertise ensured the structural integrity and innovation of our construction projects.

DLR Group

1966

500+

100+

Omaha, Nebraska

Vetted & Verified

Recommended

DLR Group is an integrated design firm delivering architecture, engineering, interiors, planning, and building optimization for new construction, renovation, and adaptive reuse.

DLR Group's architectural design enhances our spaces with innovation and style.

DLR Group's architectural designs brought sustainability and aesthetics to our projects, enhancing our corporate image.

Dunham Associates

1960

75-200

100+

Minneapolis, Minnesota

Vetted & Verified

Recommended

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.

Dunham Engineering's expertise ensures the integrity and safety of our projects.

Dunham Engineering's expertise in structural engineering contributed greatly to the safety and success of our projects.

Flex

1969

500+

100+

Singapore, Singapore

Vetted & Verified

Recommended

Flex is the manufacturing partner of choice that helps a diverse customer base design and build products that improve the world.

Flex's agility in product development and manufacturing is top-notch. Great partner.

Exceptional adaptability in product development.

Fluor

1912

500+

100+

Irving, Texas

Vetted & Verified

Recommended

Fluor is building a better world by applying world-class expertise to solve its clients' greatest challenges.

Superb project management and execution. Highly recommend Fluor for complex engineering projects.

Efficient and effective project execution. Great experience overall.

Foster + Partners

1967

500+

100+

London, United Kingdom

Vetted & Verified

Recommended

Foster + Partners is a global studio for architecture, urbanism and design, all rooted in sustainability and founded by Norman Foster in 1967.

Foster + Partners' architectural design has brought innovation to our infrastructure.

Foster + Partners infuse our infrastructure projects with innovative and groundbreaking architectural designs.

Foxconn

1974

500+

100+

New Taipei City, Taiwan

Vetted & Verified

Recommended

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.

Foxconn's manufacturing capabilities are world-class. Seamless collaboration and production.

Their mastery in manufacturing technology was invaluable.

French & Parrello

1974

75-200

100+

Wall, New Jersey

Vetted & Verified

Recommended

FPA is a full-service engineering and consulting firm providing services for a broad range of projects and clients within the private and public marketplaces

FPA Engineers' solutions have enhanced the safety and efficiency of our projects.

FPA Engineers enhance both the safety and efficiency of our projects with their engineered solutions.

H.F. Lenz Company

1946

75-200

100+

Johnstown, Pennsylvania

Vetted & Verified

Recommended

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.

HF Lenz Company's engineering solutions have improved the efficiency of our projects.

HF Lenz Company's engineering solutions enhance our project efficiency, ensuring top-tier quality and functionality.

HDR

1917

500+

100+

Omaha, Nebraska

Vetted & Verified

Recommended

HDR is an employee-owned design firm specializing in engineering, architecture, environmental and construction services. We’re ranked No. 6 among the world’s design firms and we’re the largest healthcare design firm.

HDR's architectural and engineering services have enhanced the sustainability of our projects.

HDR's architectural and engineering services enhance our projects' sustainability, combining innovation with environmental consciousness.

HEAPY

1945

201-500

100+

Dayton, Ohio

Vetted & Verified

Recommended

HEAPY is a nationally recognized leader in sustainable and resilient engineering design. Founded in 1945, the corporation plans, designs and commissions more than $1 billion annually in total construction costs. Through HEAPY Solutions, we also offer comprehensive engineer-led design/build construction services. .

Heapy Engineering's sustainability consulting has improved our environmental impact.

Heapy Engineering's sustainability consulting improves our environmental impact, aligning our operations with eco-friendly practices.

HOK

1955

75-200

100+

New York City, New York

Vetted & Verified

Recommended

HOK is a global design, architecture, engineering and planning firm with 25 studios spanning three continents. HOK designs buildings and spaces that respond to the needs of people and the environment. HOK designers are rooted in technical excellence, driven by imagination and focused on a solitary goal.

HOK's architectural design services have revolutionized our workspace and facilities.

Workspace innovation through HOK's architectural designs has created inspiring and functional environments.

I. C. Thomasson

1942

201-500

100+

Nashville, Tennessee

Vetted & Verified

Recommended

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.

ICTHOMASSON's engineering solutions have improved the functionality of our projects.

Enhanced project functionality achieved through ICTHOMASSON's tailored engineering solutions.

IBI Group

1974

500+

100+

Toronto, Ontario

Vetted & Verified

Recommended

IBI Group is a technology-driven design firm with global architecture, engineering, planning and technology expertise. We work across disciplines to define the cities of tomorrow through intelligent systems, sustainable buildings, and efficient infrastructure, shaping the way people live.

IBI Group's architectural and engineering services have enhanced our urban development projects.

IBI Group's architectural and engineering expertise has been key in our urban project enhancements.

IMEG

1955

500+

100+

Rock Island, Illinois

Vetted & Verified

Recommended

With a history that dates back nearly 100 years, IMEG grew from several firms coming together under one uniting vision: people-centered engineering. As a national engineering and design consulting company we’ve intentionally localized our focus to serve carefully chosen regions and markets.

IMEG Corp's engineering services have been crucial in our infrastructure development.

IMEG Corp's engineering expertise has been vital in the development of our robust infrastructure.

Introba

1996

500+

100+

Oakland, California

Vetted & Verified

Recommended

Introba is one of the world’s largest building engineering and consulting firms with more than 1,000 employees in offices across the United States, Canada, the United Kingdom, Serbia, and Australia. Committed to reshaping the world.

Introba's strategies elevate our business, driving success.

Providing strategic insights, they've been instrumental in our growth, marking an enduring and successful partnership.

Jabil

1966

500+

100+

St Petersburg, Florida

Vetted & Verified

Recommended

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.

Jabil's commitment to quality and delivery timelines is remarkable. Highly satisfied.

Consistently delivers quality and meets deadlines. Highly satisfied with their service.

Jacobs

1947

500+

100+

Dallas, Texas

Vetted & Verified

Recommended

Jacobs deliver impactful global solutions to create a more connected, sustainable world — from intelligence to infrastructure, cybersecurity to space exploration.

Jacobs delivered innovative solutions and outstanding service. Truly impressed.

Innovative solutions and excellent service delivery. Highly recommended.

Jacobs Engineering Group

1947

500+

100+

Dallas, Texas

Vetted & Verified

Recommended

We deliver impactful global solutions to create a more connected, sustainable world — from intelligence to infrastructure, cybersecurity to space exploration. Our 52,000 employees across 50 countries work every day, challenging the expectations of today to reinvent the way we'll all live tomorrow.

Jacobs leads in engineering excellence, crucial for our projects.

Jacobs's engineering prowess has been fundamental in achieving excellence in our complex projects.

JB&B

1915

500+

100+

New York City, New York

Vetted & Verified

Recommended

In over 100 years of practice, JB&B has maintained its position at the forefront of the MEP industry and around the world. Our insight into market trends and technological innovation has allowed us not only to be prime movers of that growth within the industry.

JBB's solutions improve our operations, driving efficiency.

JBB's innovative solutions have driven notable improvements in our daily operations, enhancing overall productivity.

Jensen Hughes

1980

500+

100+

Baltimore, Maryland

Vetted & Verified

Recommended

Worldwide, we are most recognized for our leadership in fire protection engineering, a tradition of responsibility we have advanced with pride since 1939. Today, our expertise extends broadly across closely related risk management fields – from accessibility consulting.

Jensen Hughes ensures our safety standards, providing peace of mind.

Jensen Hughes's commitment to safety has reinforced our operational integrity, ensuring a secure working environment.

Jordan & Skala Engineers

1953

201-500

100+

Norcross, Georgia

Vetted & Verified

Recommended

For over 65 years, Jordan & Skala Engineers has delivered quality engineering services to our clients, evidenced by our history of substantial growth into diverse markets and regions. Founded as a corporation in 1953, the firm has built a national client base by utilizing its considerable technological.

We used Jordan Skala for our digital marketing, and they delivered outstanding results!

Nailed it with our website design! Jordan Skala's creativity and attention to detail exceeded our expectations.

Kimley-Horn

1967

500+

100+

Raleigh, North Carolina

Vetted & Verified

Recommended

Kimley-Horn is one of the nation’s premier planning and design consulting firms. With nearly 7,000 staff members in more than 100 offices across the U.S., we offer full services in a wide range of disciplines. .

Kimley-Horn provided us with top-notch engineering services. They're our go-to choice.

Kimley-Horn's unmatched engineering solutions redefine infrastructure expertise, a game-changer.

KPFF Consulting Engineers

1960

500+

100+

Seattle, Washington

Vetted & Verified

Recommended

KPFF is a multi-office, multi-discipline engineering firm. We’re driven by a commitment to our core values of Excellence, Trust, Relationships, Stability, and Passion; defining our professional practice, how we are organized and our commitment to our clients and employees..

KPFF Consulting Engineers provided expert engineering solutions, enhancing the stability and design of our projects.

KPFF's engineering expertise has been instrumental in delivering sustainable and innovative infrastructure projects.

Langan

1970

500+

100+

Parsippany, New Jersey

Vetted & Verified

Recommended

Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish. Whether you are a seasoned professional or recent college graduate, Langan will provide you with unparalleled opportunities and a solid foundation for career growth.

Langan's engineering and environmental services have been key in the sustainable development of our projects.

Langan's environmental and engineering services have been vital in ensuring the sustainability of our projects.

Magnusson Klemencic

1920

75-200

100+

Seattle, Washington

Vetted & Verified

Recommended

For 103 years, MKA has engineered enduring, creative designs, with over $100 billion worth of projects in 48 states and 62 countries (and counting). We specialize in 13 facility types, Aviation to Sports, providing clients with highly targeted expertise and the best structural and civil engineering solutions in the industry.

MKA's engineering expertise has been instrumental in developing sustainable and structurally sound projects.

Engineering expertise lent sustainability and resilience to our infrastructure, ensuring long-term efficiency and safety.

Martin/Martin

1988

201-500

100+

Lakewood, Colorado

Vetted & Verified

Recommended

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.

Martin/Martin's engineering consulting has been integral in designing and executing complex infrastructure projects.

Provided comprehensive cybersecurity measures, safeguarding our digital assets and ensuring business continuity.

Mazzetti

1962

201-500

100+

San Francisco, California

Vetted & Verified

Recommended

Mazzetti is an employee-owned benefit corporation, committed to creating healthier, enduring environments. Though our story began with a small team of MEP engineers, almost 60 years later, we’ve grown to 200+ people.

Mazzetti's engineering and design consultancy has enhanced our facilities with sustainable and advanced solutions.

Engineering and design solutions brought sustainability and innovation to our infrastructure, enhancing efficiency and environmental stewardship.

ME Engineering

1991

75-200

100+

Rochester, New York

Vetted & Verified

Recommended

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.

ME Engineering's comprehensive mechanical and electrical services have optimized the performance and sustainability of our buildings.

Engineering and design expertise from ME Engineering played a crucial role in our infrastructure projects, ensuring both functionality and aesthetics.

ME Engineers

1981

201-500

100+

Golden, Colorado

Vetted & Verified

Recommended

ME Engineers has earned a reputation as a global leader in the design of innovative MEPT systems that bring to life the world's most innovative sports and entertainment venues. ME Engineer's projects also include large-scale commercial developments, convention centers.

ME Engineers' expertise in engineering design has significantly contributed to the success of our large-scale projects.

ME Engineers' solutions brought innovative approaches to our complex engineering challenges, improving overall project outcomes.

MG Engineering

1991

75-200

100+

New York City, New York

Vetted & Verified

Recommended

We strive to provide comprehensive, best-in-class engineering services that embrace architectural aesthetics, visualize projects from the client’s perspective and implement cost methodologies to deliver superior quality projects. .

MGE's engineering expertise has been crucial in developing sustainable and efficient building systems for our projects.

Expertise in engineering from MGE enhanced the efficiency and sustainability of our infrastructure projects.

Sanmina

1980

500+

100+

San Jose, California

Vetted & Verified

Recommended

Sanmina is a leading integrated manufacturing solutions provider serving the fastest-growing segments of the global Electronics Manufacturing Services (EMS) market.

Trusted experts in electronic manufacturing. Consistently deliver quality products.

Their expertise in electronic manufacturing made a difference. They exceeded our expectations.

TechnipFMC

2017

500+

100+

Newcastle, United Kingdom

Vetted & Verified

Recommended

TechnipFMC is a leading technology provider to the traditional and new energies industry, delivering fully integrated projects, products, and services.

Their expertise in the energy sector is unmatched. Exceptional service and results.

Leaders in energy sector solutions. Impressive expertise and results.

Find experts in these trending categories

Why the best companies in the world choose 50Pros to find firms

Only the best

Each agency is pre-vetted so you can hire with confidence

50 in-demand categories

From PR to SEO to AI, we have the expert teams for any project

Start quickly

Links go to homepages, so you can directly contact a firm (no signup)

Full support

Our friendly team is at your service Monday - Friday, 9AM-9PM EST

Unbiased lists

Each directory is randomized each refresh (no pay-to-rank-higher)

And much more

More than a directory, we provide complimentary business services