WLDN - Willdan Group Inc. 2021 Q2 - Results - Earnings Call Presentation August, 16 2021 04:01 PM Willdan Group Inc. The following slide deck was published by Willdan Group, Inc. in conjunction with their 2021 Q2 earnings call. For further details see: Willdan Group, Inc. 2021 Q2 - Results - Earnings Call Presentation