Established in 1979, Hillside Drilling offers a range of earth retention services. The company provides a variety of deep foundation drilling and shoring solutions. Hillside Drilling specializes in tiebacks, soil nails, retaining walls, micropiles and caissons. The company has operations in Northern California. It also offers a range of design and engineering services. Hillside Drilling is affiliated with the Operators, Carpenters and Laborers Union.