SBI is a family-owned raisebore contractor operating since 1980. Originally formed as Stu Blattner Inc., the company was acquired for the third time in 2021 by family members who changed its name to Subterranean Boring, Inc. SBI provides turnkey raisebore contracting services and manufactures replacement raisebore machine parts and consumables.
15000 West 44th Avenue, Suite C
Golden, CO 80403
+1 303 233 2856
