Willdan Group, Inc. (NASDAQ: WLDN) is a professional and technical services company that provides consulting, engineering, program management, policy advisory, and software and data analytics services to utilities, private industry, and public agencies at all levels of government. Revenue comes from fee-based contracts for services spanning energy solutions, greenhouse gas reduction, and government infrastructure needs. Willdan serves a broad base of public and private clients, positioning itself as a technical services provider across the intersection of energy efficiency, sustainability, and public infrastructure. The company is listed on the Nasdaq Global Market. Based on the 10-K filed February 27, 2026, the filing does not disclose segment revenue breakdowns, customer concentration figures, founding year, CEO tenure, competitor names, or capital structure details in the excerpts provided, so those specifics are omitted here.

Revenue model

Fee-based professional and technical services contracts covering engineering, program management, policy advisory, and software and data analytics, delivered to utilities, private industry, and government agencies at all levels.

Products and services

Energy solutions services, greenhouse gas reduction programs, government infrastructure services, engineering and design, program management, policy advisory, software and data analytics.

Customers and end markets

Utilities, private industry, and public agencies at federal, state, and local government levels. End markets include energy efficiency, sustainability, greenhouse gas reduction, and public infrastructure.

Value-chain role

Technical services provider and program implementer sitting between government and utility clients and their infrastructure or energy program outcomes. Plans, designs, and delivers solutions rather than manufacturing or owning assets.

Source: SEC 10-K, filed 2026-02-27

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