We Welcome
The Weidt Group
to the Willdan Family

Press Release
Our Solutions

What We're About

We believe in helping organizations and their communities evolve and thrive as resources and infrastructure change. Willdan is a leading, nationwide provider of trusted, comprehensive solutions that are supported by our talented team of experts and advanced software applications.

We design and deliver proven solutions to improve efficiency and resiliency in: Energy and Sustainability, Engineering, Program Administration, Economics and Strategic Planning, and Software, Emerging Technology, and R&D.

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Latest News

Press Release

Willdan Closes Acquisition of The Weidt Group

Willdan annnonced that the acquisition of The Weidt Group took place on March 8, 2019.
Press Release

Willdan Awarded $7.5 Million Project for Plant Upgrades at New York Multifamily Building Cooperative

New York's Amalgamated Housing Cooperative selected Willdan to implement a $7.5M central plant upgrade, with combined heat and power ...

Our Solutions

Willdan provides smart, connected solutions tailored to meet our clients’ specific challenges. We will take your concept, create a cohesive plan, design each step with an eye for detail, and manage the implementation, carrying your mission from start to finish and giving you the tools to innovate and evolve. We design and deliver proven solutions to improve efficiency and resiliency in:

Energy and Sustainability

Energy and Sustainability

Willdan creates customized, effective solutions for your unique energy needs and sustainability goals. We modernize electric grids and introduce new resources for added resiliency. We'll help facility owners design and deliver energy efficiency projects and energy roadmaps for long-term system and resource planning.

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Engineering

Engineering

Willdan will guide your project from its initial analysis phase, through design and construction, to post-inspection, with a focus on safety and compliance. Willdan has been performing engineering services for more than 50 years and has a team of subject-matter experts to serve all aspects of engineering projects.

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Program Administration

Program Administration

Willdan will customize solutions to meet your program administration needs. We manage the detailed processes of program design, training, and staffing your projects to ensure success. We have experience managing more than 70 programs across the country.

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Economics and Strategic Planning

Willdan facilitates in-depth economic and strategic planning for our clients to ensure project success. We offer financing and revenue optimization, planning, risk assessment, and policy services to support your short-term and long-term goals. Our team includes experts across several fields – including finance, accounting, sustainability, and engineering who inform our evaluations and plans.

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Software, Emerging Technology, R&D

Our software harnesses advanced analytics and has been used by utilities across the nation for energy forecasting and load relief. Willdan invests in research and development to bring our clients the latest in trusted technology, to predict changes and challenges in energy, and to create new, effective ways to address them.

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Highlighted Projects

Marshak Science Tower

CUNY Marshak Science Building

Energy Upgrades

The Marshak Science Building at the City College of New York consists of a 350,000 sf 13-story tower and 300,000 sf plaza level and underground, with research and teaching labs, a vivarium, a morgue, office areas, a library, an auditorium, a gymnasium and a pool.

Willdan is responsible for the study, design and construction management for a renovation which retrofits 200 standard flow fume hoods to low flow high efficiency hoods and installs high entrainment fume hood exhaust systems, new lab make-up air units with heat recovery, liquid desiccant dehumidification systems, new supply air risers and general exhaust risers, new hot water and chilled water risers, new central station air handling equipment, new high temperature hot water to low temperature hot water heat exchangers and lab fit-out with chilled beam secondary heating and cooling.

Las Vegas Ritz Carlton

State of Nevada

Building and Safety Services

Willdan has provided building safety/plan check services for the State of Nevada Public Works Department since 2007, including many high-rise hotels.

Current projects at the University of Nevada Las Vegas and Reno campuses range from installation of photovoltaic and parking lot lighting upgrades and a new baseball clubhouse, to the complete structural upgrade and remodel of several historic buildings in Reno.