Key Takeaways Willdan's Energy segment drove growth in the first nine months of 2025, with contract revenues up 20%.WLDN is benefiting from rising data center power demand, boosting planning and engineering services.Willdan's APG acquisition expanded power engineering capabilities, supporting backlog growth into 2026.Shares of Willdan Group, Inc. ((WLDN) have surged 27.7% in the past three months, outperforming the Zacks Business - Services industry’s 2.1% fall. The S&P 500 rose 6.2% over the same timeframe ...