Home Services Projects Environmental Safety About Tapani   Why Tapani   The Crew Careers Contact	About Tapani The Tapani Advantage is clear. The Tapani family builds their business principles upon strong family values. We support the same integrity and ethics with our clients that we would for our own family. That's our promise to you. Did you know? Tapani Underground was founded by the family in 1983, has approximately 170 talented crew members and is the oldest underground excavation company in the region. We are number one in environmental project management. We employ the Trimble SiteVision GPS system. The quality of our work is rated consistently “Above Standard” as evidenced by the Washington State Department of Transportation Performance Reports. Our EMR (Labor & Industries Experience Modification Rating) is maintained at an all time low of 0.73.
	Tapani Underground 1904 SE 6th Place Battle Ground, WA 98604 360.687.1148