Since our inception in 1982, tunneling, pipe jacking, and horizontal auger boring has been our sole focus of work. Pacific Boring has successfully completed thousands of projects throughout the Western United States. From large diameter 168" tunnels in poor soil conditions to 8" auger bores, Pacific Boring has the equipment and technical experience to complete any scope of work required. Pacific Boring's fleet of specialized tunneling and pipe-Jacking equipment is the largest in the United States. Tunneling equipment allows for the accurate installation of reinforced concrete pipe, steel casing, fiberglass reinforced pipe and segmental tunnel liner. With our unique combination of experience and equipment we have the capabilities to complete trenchless crossings in ground conditions ranging from wet unstable soils to soft rock formations. We take great pride in having built our reputation as a reliable tunneling contractor who, through innovation and hard work, has safely completed every project on time and within budget.