H&H has a long, robust history that began in 1901, when it was originally founded by William Hylund. Since then, H&H has evol ... ved to become a key player in the construction and energy services industries. Over the years, H&H acquired various subsidiaries, each with their own history, strengths, and character, that together offer customers all of the skilled trade disciplines as well as energy services. Throughout our proud history, H&H has remained true to its fundamental mission: to offer quality and competitive solutions, while maintaining our core values of safety, integrity, and teamwork. The H&H Group Holdings family, including H&H Electric Co. Inc., H&H Solar Energy Services, Inc., H&H Plumbing Services, Inc., H&H Building Automation, Inc. & H&H Building Automation, Inc. H&H has been providing quality service to Wisconsin since 1901. Our reputation is carried into every energy project we pursue! read more