Lindberg Pipe and Grade, Inc. is a highly reliable, full-service excavation and underground utilities company performing on a variety of construction projects in the Greater Portland / Vancouver region.We are one of the area's largest contractors to specialize in all aspects of excavating and underground utilities for residential single-family and multi-family projects. We have performed work on thousands of housing units in the region and continue to be the go-to company for the area's best builders.