ANAHEIM, Calif.–(BUSINESS WIRE)—- $WLDN–Willdan Group, Inc. (NASDAQ: WLDN) announced today that it has acquired substantially all of the assets of KCS Corporation (KCS), an engineering consulting firm headquartered in suburban Chicago, Illinois. KCS specializes in power delivery engineering for critical infrastructure. The 15-person KCS team expands Willdan’s in-house engineering and project management capabilities and adds capacity to Willdan’s APG team to support a growing pipeline of projects for