Stu Blattner, Inc. is now: Subterranean Boring, Inc. Family owned and operated since 1980. SBI has our own top of the line raisebore machines and support equipment. We provide our fully operated fleet for contracted shaft developments worldwide. We are a fully licensed and insured contractor with certified operators. Additionally, we manufacture and sell all raisebore machine consumables In addition to raise bore contracting, we also manufacture: Raise bore Machines Reaming Heads Raise bore Drill Pipe Cutters By manufacturing these items, we have the unique situation of supplying ourselves with equipment supply chain needed for the job. Therefore, we are able to offer our customers the lowest price, complete with the best customer service and support in the industry.