Join us for our monthly meeting and hear Mr. Chad Blattner of Stu Blattner Raise Boring present on their unique drilling technology manufactured in Golden, Colorado. Stu Blattner, Inc. is the largest Raise Bore Contractor in the United States and one of the largest in the world. The Company was incorporated in 1980 and still operates with its original owners, Stu and Bruce Blattner. Currently there are 19 raise bore machines in their fleet, operating in South America, North America and Australia.