 ANAHEIM, Calif.--BUSINESS WIRE--- WLDN--Willdan Group, Inc. Willdan NASDAQ: WLDN, announced today that it expects to release fourth quarter and full year 2020 financial results after the market close on Thursday, March 11, 2021. The Company will host an investor conference call and webcast related to this release at 5:30 p.m. ET2:30 p.m. PT the same day. The details for the investor conference call are as follows: Date: Thursday, March 11, 2021 Time: 5:30 p.m. ET2:30 p.m. PT Toll-free dia 