About Us

A-1 is a full-service machine and fabrication shop with 14800 sq. ft. located in Billings, MT that has been in service for over 40 years. It is a small business that is capable of overall machining, turning, milling, grinding, of precision parts using manual and CNC lathes and mills from small projects to large production runs. A-1 also specializes in custom fabrication and repair of critical industrial equipment used in mining, agriculture, recreation and general industry.