The 12 closest competitors and alternatives to Willdan Group, Inc. among consulting companies — ranked by similarity to what Willdan Group, Inc. actually does, not by market-cap band.
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Willdan Group, Inc., including its various subsidiaries, offers a wide array of expert, technical, and advisory services, primarily concentrating its operations within the United States. The company's business activities are structured into two main divisions: Energy, and Engineering and Consulting. The Energy segment delivers a comprehensive suite of services, which includes detailed audits and assessments, the creation of strategic programs, master planning, efforts to reduce energy demand, optimization of electrical grids, benchmarking studies, engineering design, supervision of construction, performance-based contracting, installation services, innovative financing solutions, and thorough measurement and verification. This division also provides advanced software and data analytics capabilities. Concurrently, the Engineering and Consulting segment furnishes solutions related to building and safety, urban engineering, code enforcement, thorough review and inspection of development plans, disaster recovery efforts, geotechnical and earthquake engineering, urban planning and surveying, offering contract staff support, project and construction management, structural engineering, transportation and traffic system engineering, and water resource management. Additionally, this segment provides administrative services for districts, financial advisory, federal regulatory compliance assistance, and specialized communications and technology solutions. Willdan serves a broad spectrum of clients, encompassing numerous public and governmental bodies like cities, counties, redevelopment authorities, water districts, school systems, and universities. Its clientele also extends to investor-owned and publicly managed energy utilities, state and federal government agencies, commercial and industrial enterprises, alongside various other specialized districts and organizations. The company, which was founded in 1964, has its headquarters located in Anaheim, California.
Willdan Group, Inc. is a consulting company headquartered in Anaheim, United States. It is publicly listed (WLDN) with a market capitalisation of $1.3B. Xcout tracks 12 named people at Willdan Group, Inc., including Michael A. Bieber (Chief Executive Officer, Director & President). Xcout recorded 1 job posting from Willdan Group, Inc. in the last 90 days.
6 more named people on record for Willdan Group, Inc., with roles, board committees and tenure — see the full roster →
Xcout recorded 1 job posting from Willdan Group, Inc. in the last 90 days, from a hiring record Xcout has kept since June 2026.
The weekly hiring trend, the roles and locations behind it — see Willdan Group, Inc.'s hiring signals →
Ranked by semantic similarity — how close each company is to Willdan Group, Inc. by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
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Energy and Environmental Economics, Inc. (E3) is an energy consulting firm headquartered in San Francisco, California. As part of the Willdan Group, it provides utility and environmental economic advisory services.
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Tetra Tech, Inc. operates as a global provider of specialized consulting and engineering services. The firm organizes its activities into two primary divisions: the Government Services Group (GSG) and the Commercial/International Services Group (CIG). The GSG division delivers a comprehensive suite of solutions, encompassing initial data collection and ongoing monitoring, advanced data analytics and information management, practical scientific and engineering research, intricate engineering design, thorough project management, and continuous operations and maintenance support. Furthermore, it offers expert consulting on climate change and energy efficiency, alongside services dedicated to the evaluation, certification, reduction, and overall management of greenhouse gas emissions. This segment primarily supports federal, state, and local governmental bodies, as well as various development agencies. Its areas of expertise include water resource analysis and management, environmental surveillance, data intelligence, public sector advisory, waste disposal solutions, and broad civil infrastructure master planning and engineering initiatives. Conversely, the CIG division provides a similar array of essential services, including early data acquisition and surveillance, data interpretation and information governance, viability studies and assessments, applied science and engineering investigations, engineering scheme development, project execution oversight, and operational sustainment. This segment's clientele spans the natural resources, energy, and utilities industries, in addition to markets focused on sustainable infrastructure master planning and engineering design. Established in 1966, Tetra Tech, Inc. maintains its corporate headquarters in Pasadena, California.
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Woodard & Curran provides integrated engineering, science, operations, and construction services. The company primarily serves municipal, industrial, and agricultural clients by delivering solutions in water and wastewater management, environmental remediation, flood mitigation, and community development.
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Environmental Design Group is a multidisciplinary firm that provides civil engineering, master planning, landscape architecture, and environmental consulting services. The company serves public and private sector clients by delivering site development, water resource management, and transportation infrastructure projects.
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Woolpert is a geospatial, architecture, engineering, and professional services firm that provides services including surveying, mapping, data analytics, transportation, infrastructure, and environmental consulting. It serves government agencies and commercial clients, particularly in areas such as transportation, defense, utilities, and land development.
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Coffman Engineers, Inc. is a U.S.-based multidisciplinary engineering and consulting firm providing services such as civil, structural, mechanical, electrical, fire protection, environmental, and transportation engineering. It serves public- and private-sector clients across markets including buildings, infrastructure, energy, and industrial facilities.
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WB Engineers+Consultants provides engineering and consulting services, specializing in mechanical, electrical, and plumbing or fire protection engineering. The company focuses on building infrastructure and environments, operating from locations including Baltimore, New York, and Rockville.
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Multiconsult is a group of engineering, architecture, and consultancy firms that provide multidisciplinary services for construction, infrastructure, energy, industry, and mobility projects. Through its subsidiaries, the company delivers integrated design, urban planning, site development, and community building solutions to clients in various sectors.
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Exponent, Inc. functions as a global leader in scientific and engineering consulting, operating through its subsidiaries. The firm's activities are divided into two principal segments: Engineering and Other Scientific, and Environmental and Health. The Engineering and Other Scientific division offers a broad spectrum of services encompassing biomechanics, biomedical sciences, structural analysis, civil engineering, construction advisory, data analytics, electrical and computer science, human factors, materials and corrosion science, mechanical engineering, polymer chemistry, thermal dynamics, and vehicle system engineering. Concurrently, the Environmental and Health segment specializes in areas such as chemical regulatory compliance, food safety, ecological and biological studies, earth and environmental sciences, and various health-related scientific fields. With expertise spanning approximately 90 technical disciplines, Exponent is dedicated to addressing complex and pressing issues for its stakeholders. Its client base is diverse, covering industries like chemicals, construction, consumer products, energy, food and beverage, government, life sciences, insurance, manufacturing, technology, heavy industrial equipment, and transportation. The company, originally established in 1967 as The Failure Group, Inc., rebranded as Exponent, Inc. in 1998, and its headquarters are located in Menlo Park, California.
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Walker Consultants is a U.S.-based consulting and engineering firm specializing in parking, transportation, and mobility solutions. It serves public- and private-sector clients with services including parking planning and operations, facility design, transportation planning, and technology strategy.
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Carollo Engineers is an environmental engineering and consulting firm headquartered in Walnut Creek, California. The company specializes exclusively in the planning, design, and construction of water and wastewater infrastructure.
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