Oct 6, 2025 9:12 AM Eastern Daylight Time ANAHEIM, Calif.--(BUSINESS WIRE)--Willdan Group, Inc. (NASDAQ: WLDN) announced today that it has been selected by National Grid to deliver energy efficiency services to small businesses across Massachusetts. Under this two-year agreement, Willdan will implement a small business direct install program for urban and suburban counties in Eastern Massachusetts. The agreement marks Willdan's entry into National Grid's Massachusetts market and expands its footprint in the ...