These North American engineering services companies range from large, established global firms to specialized mid-sized companies. They offer diverse expertise, including sustainable infrastructure solutions, critical human infrastructure development, and comprehensive planning and design consulting. Many firms emphasize innovation and sustainable practices across various sectors.
Notable companies include AtkinsRรฉalis, a global professional services organization in sustainable infrastructure; Black & Veatch, a leader in energy, water, and telecommunications infrastructure; Kimley-Horn, providing extensive planning and design consulting; and NV5, offering technology and consulting for sustainable infrastructure. A common pattern is the focus on integrated, multidisciplinary solutions for public and private sector clients.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
AtkinsRรฉalisatkinsrealis.com
Global professional services organization specializing in sustainable infrastructure solutions, integrating people, data, and technology across the asset lifecycle in key strategic sectors |
48,091 | |||
| 2 |
Black & Veatchbv.com
An employee-owned global leader in building critical human infrastructure in Energy, Water, Telecommunications, and Government Services since 1915 |
11,691 | |||
| 3 |
Kimley-Hornkimley-horn.com
providing comprehensive planning and design consulting services across multiple disciplines with a client-focused approach and recognized workplace quality |
10,392 | |||
| 4 |
FieldCorefieldcore.com
Global energy company specializing in power, wind, and electrification solutions, supported by advanced research, consulting, and financial services for a lower carbon future |
4,952 | |||
| 5 |
Cocacola Nowyahoo.com
Lorem Ipsum provides standard dummy text for printing and typesetting, surviving for centuries and adapting to electronic and digital publishing |
3,968 | |||
| 6 | 3,633 | ||||
| 7 |
POWER Engineerswsp.com
Global engineering firm providing integrated solutions for energy, food and beverage, facilities, communications, environmental, and federal markets with multidiscipline services |
3,392 | |||
| 8 | 3,390 | ||||
| 9 |
ILF Consulting Engineersilf.com
Engineering and consulting firm providing technical expertise for industrial and infrastructure projects across energy, water, transportation, and sustainable industries worldwide. |
3,272 | |||
| 10 |
Dewberrydewberry.com
A market-leading firm providing professional services to public and private sector clients, solving complex challenges, and transforming communities through innovation and expertise |
2,914 | |||
| 11 | 2,900 | ||||
| 12 |
Scientific Research Corporationscires.com
An engineering company founded in 1988, providing innovative solutions to US Government, private industry, and international markets with focus on information, communications, intelligence, and more |
2,534 | |||
| 13 |
UESteamues.com
A nationwide provider of engineering, environmental, testing, and inspection services, specializing in sustainable infrastructure solutions for public and private clients across various industries |
2,428 | |||
| 14 |
Salas O'Briensalasobrien.com
Employee-owned engineering firm focused on advancing the human experience through the built environment Top-ranked, with a strong emphasis on impact and sustainability |
2,295 | |||
| 15 |
Olssonolsson.com
An employee-owned engineering and design firm focused on improving communities through sustainable, connected, and efficient projects, driven by inspired people and purposeful designs |
2,270 | |||
| 16 |
Bowman Consultingbowman.com
A national engineering services provider delivering infrastructure solutions to customers in various regulated end markets, with expertise in planning, engineering, and environmental consulting |
2,221 | |||
| 17 |
Core States Groupcore-states.com
A collaborative team offering architecture, interior design, engineering, program management, and construction solutions nationwide, focused on facilitating a remarkable customer experience |
2,134 | |||
| 18 |
Englobeenglobecorp.com
A leader in engineering, geosciences, environmental management, and quality services with 50+ years of experience, focused on employee safety and sustainability |
1,980 | |||
| 19 |
Pinnaclepinnaclereliability.com
A company based in Pasadena, focused on helping industrial facilities in oil and gas, chemical, mining, and water industries optimize data for improved performance |
1,701 | |||
| 20 |
Audubon Companiesauduboncompanies.com
A leading provider of EPC, consulting, fabrication, and technical services for energy, chemicals, power, infrastructure, and industrial markets with a focus on sustainability |
1,680 | |||
| 21 |
BW Design Groupbwdesigngroup.com
This company is a fully integrated engineering, architecture, construction, and consulting firm serving leading companies with customized solutions |
1,676 | |||
| 22 |
Qualusqualuscorp.com
Innovative power services firm specializing in grid modernization, resiliency, sustainability, and software solutions for utilities, commercial, industrial, and government clients |
1,668 | |||
| 23 |
Westwood Professional Serviceswestwoodps.com
A dedicated team with over 50 years of experience creating a better world through energy grid transformation, resilient infrastructure design, and community development |
1,660 | |||
| 24 |
SSOE Groupssoe.com
Internationally recognized architecture and engineering firm specializing in providing high-quality project solutions for various industries with global reach |
1,634 | |||
| 25 |
Walter P Moorewalterpmoore.com
A team of engineers and innovators designing high-performance structures and infrastructure globally, providing cost-efficient solutions that shape communities worldwide |
1,340 | |||
| 26 |
Pennonipennoni.com
The firm partners with clients to deliver innovative, sustainable, and resilient engineering solutions, fostering long-term relationships focused on community impact |
1,317 | |||
| 27 |
Pyrotekpyrotek.com
Global engineering leader providing performance-improving technical solutions for industries like aluminium, glass, and automotive with a focus on innovation and customer satisfaction |
1,314 | |||
| 28 |
Holtec Internationalholtecinternational.com
Global leader in designing and manufacturing custom energy equipment for nuclear, solar, geothermal, and fossil power generation, with a focus on integrity and innovation |
1,313 | |||
| 29 |
Moldtek Technologies Limitedmoldtekengineering.com
Moldtek Technologies offers engineering design support globally across various industries, shaping solutions for clients with top-tier expertise and delivery centers in India |
1,296 | |||
| 30 | 1,269 | ||||
| 31 | 1,198 | ||||
| 32 |
Willdanwilldan.com
A consulting firm offering technical services in energy efficiency, engineering, public finance, and more to utilities, public agencies, and private industry nationwide |
1,169 | |||
| 33 |
Barnhart Crane & Riggingbarnhartcrane.com
Leading provider of crane rentals, heavy haul, and engineered rigging solutions across North America, specializing in complex industrial lifting and transportation projects. |
1,155 | |||
| 34 |
Prime Controlsprime-controls.com
Industrial Automation company offering sole source solutions for system integration, I & C construction, project design, maintenance, and factory support services Customer-focused with commitment to excellence |
1,095 | |||
| 35 |
Bantrel Co.bantrel.com
Established in 1983, the company specializes in EPC/CM services for energy, mining & infrastructure projects, focusing on safety, quality, & efficiency Headquarters in Calgary, with operations across Canada and globally |
1,029 | |||
| 36 |
Pond & Companypondco.com
A full-service consulting firm offering engineering, architecture, planning, and construction management solutions to public and private clients globally since 1965 |
1,003 | |||
| 37 |
Dalkia UKdalkia.co.uk
Delivering technical solutions for a sustainable future, specializing in energy, engineering, facilities management, and specialist services for private and public sector clients |
990 | |||
| 38 |
Arcfieldarcfield.com
Provider of systems engineering and integration services to US Intelligence Community and Department of Defense, with expertise in advanced engineering, IT, and analysis |
949 | |||
| 39 |
The Foth Companiesfoth.com
A multidisciplinary firm providing innovative solutions in science, engineering, and technology, focused on client-centered service, collaboration, and delivering results |
895 | |||
| 40 |
Mesa Associates, Incmesainc.com
Full service engineering firm specializing in serving electric utility, industrial, and government clients with expertise in power delivery and various engineering disciplines since 1988 |
882 | |||
| 41 |
Bechtel Plant Machinery, Inc. (BPMI)bpmionline.com
Provides design, manufacturing, and procurement management for high-quality nuclear power plant components in submarines and aircraft carriers Also offers IT solutions |
841 | |||
| 42 |
KGS Groupkgsgroup.com
A multidisciplinary engineering consulting firm in North America, dedicated to excellence in engineering services for various markets with an employee-owned ethos |
820 | |||
| 43 |
Norda Stelonorda.com
Canadian engineering firm specializing in integrated projects in transportation and various industries, committed to quality, innovation, value creation, and sustainability |
805 | |||
| 44 |
ENSCO, Inc.ensco.com
Provides leading-edge engineering, science, and advanced technology solutions to governments and private industries in aerospace, national security, and surface transportation sectors. |
745 | |||
| 45 |
Allnorth Consultants Limitedallnorth.com
A multi-disciplinary engineering company providing project delivery and construction services in various sectors, focusing on collaborative and practical solutions |
740 | |||
| 46 |
DLB Associatesdlbassociates.com
DLB Associates are MEP & Technology consulting engineers, offering personalized, adaptive solutions through imagination, expertise, agility, and practicality for clients |
722 | |||
| 47 |
Fike Corporationfike.com
Designs and manufactures rupture discs, explosion protection, fire alarm, and suppression systems for global businesses seeking disaster prevention and safety assurance. |
692 | |||
| 48 |
Algoworksalgoworks.com
An IT powerhouse since 2006, leading digital transformations with expertise in Salesforce, Mobility, DevOps, and App Development for global businesses |
662 | |||
| 49 |
Wunderlich-Malec Engineering, Inc.wmeng.com
An established engineering company specializing in solutions for industrial process plants, offering expertise, experience, and resources for critical control systems |
661 | |||
| 50 |
Artelia Canadaarteliagroup.ca
Multidisciplinary engineering firm providing innovative solutions in mobility, energy, environment, water, industry, and telecom across Canada with global expertise. |
642 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
Avernaaverna.com
Global leader in Test & Quality Solutions, providing expertise in automated test equipment, vision inspection, precision assembly, and innovative solutions for various industries |
632 | |||
| 52 |
RRC Companiesrrccompanies.com
Top-tier engineering firm specializing in utility-scale renewable energy projects, offering comprehensive engineering services and dedicated to creating solutions that exceed expectations |
617 | |||
| 53 | 614 | ||||
| 54 |
Enventure Engineeringenventure.com
A leading Engineering, Supply Chain, and Compliance solutions provider with expertise in engineering services, master data management, asset management, and compliance solutions |
603 | |||
| 55 |
Saber Powersaberpower.com
Engineering-led professional services company specializing in medium and high voltage electrical infrastructure Offering turnkey EPC, construction, maintenance, emergency response, training, and engineering services globally |
597 | |||
| 56 |
Cobb, Fendley & Associates, Inc.cobbfendley.com
A Texas-based firm offering engineering, surveying, and infrastructure solutions for public and private sector clients, specializing in various professional services |
577 | |||
| 57 |
Middough Inc.middough.com
A top US firm providing engineering, architectural, and management services worldwide for a range of industries since 1950 |
575 | |||
| 58 |
Eximietas Designeximietas.design
Leading technology consulting firm specializing in chip design, firmware development, embedded software, cloud computing, cyber security, and AI/ML solutions |
558 | |||
| 59 |
Sterling Engineeringsterling-engineering.com
An award-winning company providing engineering project services and technical recruitment across industries, offering flexible solutions to clients since 1969 |
556 | |||
| 60 |
Vanderweil Engineersvanderweil.com
Engineering firm specializing in mechanical, electrical, plumbing, and sustainable design solutions for a wide range of projects, prioritizing client service and environmental impact |
553 | |||
| 61 |
Orbital Engineering, Inc.orbitalengr.com
Orbital Engineering provides full-service engineering, risk mitigation, and project delivery solutions tailored to meet customer needs across various industries |
553 | |||
| 62 |
Link Engineering Companylinkeng.com
Customized solutions provider with a focus on high value, manufacturing precision equipment, offering test services, research, simulation, quality control, and cutting tools |
547 | |||
| 63 |
LAPORTElaporteconsultants.com
Specialized engineering firm providing process, building, and utility design solutions to Pharmaceutical, Agrifood, and Bioindustrial industries globally with long-term client relationships |
543 | |||
| 64 |
CBCL Limitedcbcl.ca
Employee-owned multidisciplinary engineering with 60+ years of success Specializing in civil, structural, environmental, and more across Atlantic Canada |
540 | |||
| 65 |
E2 Consulting Engineers, Inc.e2.com
A minority-owned consulting firm offering professional services in engineering, environmental engineering, construction management, and staff augmentation to government and private-sector clients |
533 | |||
| 66 |
Indovance Incindovance.com
A global provider of CAD, drafting, and business solutions for engineering design industries, offering expertise in mechanical, civil, architecture, signage, and pre-media services |
531 | |||
| 67 |
Butler Aerospace & Defensebutler.com
Specializing in state-of-the-art, cost-optimized solutions, we cater to Aerospace, Defense, and Federal markets by offering high-end engineering talent and flexible business models |
521 | |||
| 68 |
NV5 Data Centre & Mission Criticalnv5.com
A trusted leader in mission-critical design and commissioning management, specializing in data centers and commercial real estate with a client-centric approach |
520 | |||
| 69 |
Jedson Engineeringjedson.com
A privately owned EPCm company delivering innovative projects that improve profitability, focusing on continuous improvement, employee empowerment, and partnership |
513 | |||
| 70 |
R.V. Anderson Associates Limitedrvanderson.com
Innovative and collaborative professionals delivering engineering excellence for over 75 years, connecting people, projects, and planet with sustained outcomes |
512 | |||
| 71 |
BR+A Consulting Engineersbrplusa.com
A leading MEP engineering firm with a nationwide presence, dedicated to creating high-performing buildings and fostering innovative design solutions for clients |
501 | |||
| 72 |
Keystone Engineering Inckeystoneengr.com
A multi-disciplined engineering firm offering innovative solutions in various industries with a focus on quality, safety, and cost-effectiveness |
496 | |||
| 73 |
SitelogIQsitelogiq.com
Energy efficiency and facility solutions provider improving buildings for residential, educational, healthcare, commercial, and retail spaces to enhance comfort and productivity |
490 | |||
| 74 |
APD Globalapdglobal.com
Specialist engineering solutions provider with expertise in power systems, transmission, substations, renewable energy connections, mining, and EPC/M construction across Australia and New Zealand |
469 | |||
| 75 |
RFA Engineeringrfamec.com
Engineering services company serving Fortune 500 to start-ups, providing mechanical, software, and electrical design for various industries with a focus on client satisfaction |
462 | |||
| 76 |
Chemtexchemtexus.com
Global engineering and technology company specializing in value-added project solutions for clients in various industries through process engineering and technology transfer services |
448 | |||
| 77 |
Morrison Hershfieldstantec.com
Delivering innovative projects globally Prioritizing client relationships Designing with community in mind Joining a company that shares values and mission |
446 | |||
| 78 |
Energy Systems Group (ESG)energysystemsgroup.com
A leading sustainable energy solutions provider specializing in energy efficiency, sustainability, resiliency, and infrastructure improvement for various sectors |
442 | |||
| 79 |
Sheladia Associates, Inc.sheladia.com
A minority-owned consulting firm providing multidisciplinary services in infrastructure development, technical assistance, and project management worldwide to support economic growth |
440 | |||
| 80 |
Sigma Technologies, Ltd.teamsigma.com
An engineering and design firm with a 25-year legacy, focused on solving network technology and infrastructure challenges for internet and power customers |
439 | |||
| 81 |
JMT Consultants Inc.jmtconsultants.com
A provider of steel and concrete design and detailing services, offering a range of solutions for engineering, fabrication, and construction projects |
438 | |||
| 82 |
ALTEN Technology USAaltenusa.com
An engineering services company providing solutions for engineering, technology, and product development projects across industries like aerospace, medtech, and automotive |
435 | |||
| 83 |
EVS, Inc.evs-eng.com
Established in 1979, an engineering firm specializing in renewable energy Providing services for utility-scale solar plants, substations, and energy storage facilities nationwide |
433 | |||
| 84 |
DBRdbrinc.com
Premier MEP engineering firm offering mechanical, electrical, and plumbing services, along with building commissioning and security system consulting in Texas |
418 | |||
| 85 |
Matrix Technologies, Inc.matrixti.com
Full-service provider of engineering, system integration, digital transformation, and construction services for various industries, with a focus on automation solutions and EPC excellence |
412 | |||
| 86 |
PEGpegenv.com
Specializing in energy and environmental sustainability programs and policies, offering mechanical engineering, energy efficiency, and built environment consulting services to diverse industries |
408 | |||
| 87 |
SURVICE Engineeringsurvice.com
A leading engineering firm providing unparalleled services in combat system safety, survivability, and effectiveness for the DoD, homeland security, and commercial markets |
407 | |||
| 88 |
Martin/Martin, Incmartinmartin.com
A full-service civil and structural engineering firm with multiple offices nationwide, providing quality services to various clients including municipalities, architects, and developers |
406 | |||
| 89 |
Burns Engineering, Inc.burns-group.com
A respected provider of specialized engineering services for transportation, infrastructure, and built environment projects, with a focus on outstanding client service |
402 | |||
| 90 |
Vantage Point Solutionsvantagepnt.com
Vantage Point helps broadband providers with engineering, consulting, and OSP services, securing funding, network design, implementation, cybersecurity, compliance, and more |
396 | |||
| 91 |
ICM Incicminc.com
A technology company based in Kansas, providing innovative solutions for agriculture and renewable energy, specializing in ethanol and feed technologies on a global scale |
395 | |||
| 92 |
Mecanicamecanicasolutions.com
Global provider of engineering services for aerospace, automotive, and AEC industries Specializing in PLM/CAD/CAM solutions, onsite support, R&D, engineering services, and custom software development for clients |
393 | |||
| 93 |
Mangan Inc.manganinc.com
An Automation & Engineering Firm serving industries like Refining, Gas & Oil, Biopharm, and more, offering services in lifecycle engineering, power distribution, and software solutions |
393 | |||
| 94 |
MCW Group of Companiesmcw.com
A reputable provider of consulting engineering, energy management, and development services that create efficient and sustainable environments for various purposes |
391 | |||
| 95 |
PROtect LLCprotect.llc
PROtect specializes in providing safety, reliability, and compliance services to a variety of industries across the United States to mitigate risks |
390 | |||
| 96 |
ERTertcorp.com
Providing high-value engineering and scientific solutions to U.S. Federal agencies, specializing in satellite data and contested space domain challenges. |
389 | |||
| 97 |
ATG Europeatg-europe.com
ATG Europe provides engineering services, 3D images, VR&AR experiences, and management support for space and nuclear energy clients, accelerating innovation |
388 | |||
| 98 |
Vista Projectsvistaprojects.com
Integrated industrial engineering firm specializing in digital transformation of projects and operations, with a focus on efficient designs and project execution |
385 | |||
| 99 |
ANSansgeo.com
Family-owned Engineering Consulting Firm providing civil, geotechnical, structural, environmental, and construction engineering services, as well as geophysical surveys, construction monitoring, drilling, and materials testing |
370 | |||
| 100 |
Entuitiveentuitive.com
This company specializes in structural engineering, building envelope, restoration, and special projects consulting across various sectors, utilizing advanced technology for efficient design solutions globally |
366 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in North America
- The largest companies in North America 119,523
- Multinational companies in North America 18,660
- Manufacturers in North America 10,136
- Education providers in North America 8,464
- Retail chains in North America 8,234
- Financial services firms in North America 7,764
- Companies with in-house R&D in North America 7,619
- Critical infrastructure operators in North America 6,768
- Hardware manufacturers in North America 5,985
- Financial Services companies in North America 5,616
- Public sector organisations in North America 5,041
- Higher Education companies in North America 3,953
- Construction companies in North America 3,792
- Energy companies in North America 3,543
- Publicly traded companies in North America 3,538
- Family-owned companies in North America 3,387
- Corporate groups and holding companies in North America 3,311
- Distributors and wholesalers in North America 3,208
- Hotel and hospitality groups in North America 3,148
- E-commerce companies in North America 2,944
- Logistics companies in North America 2,701
- Insurance companies in North America 2,622
- Government Administration companies in North America 2,495
- Retail companies in North America 2,407