Prototype machine shop and welding fabrication.

Great River Machine Works is small, customer-oriented machine shop. We specialize in CNC milling, lathe turning of small parts, and fabrication welding of parts using MIG and TIG welding. Our shop works with inventors, engineers, manufacturers, and other machine shops. Services include CNC mill machining, lathe turning, welding, CAD/CAM design, and rapid prototyping.