Subcom Excavation & Utilities

Subcom Excavation and Utilities specializes in infrastructure Development, Earthwork, Grading, Concrete Flatwork and Prep, Home/Commercial dig-outs, culvert installation, and many other construction needs. Subcom Excavation is a construction company based out of Washington County in Hillsboro, Oregon founded by Joe Mallory and His father Dennis Mallory. Subcom specializes in private and public infrastructure projects including residential work and environmentally sensitive enhancement projects. Subcom has over 100 years of combined experience in the construction industry.