Millwright services; installation, maintenance, and repair of piping and plumbing systems; pipe laying services; pipe installation; installation, maintenance, and repair of high-pressure tanks and vessels; installation, maintenance, and repair of boilers; installation, maintenance, and repair of HVAC and refrigeration systems

Metal fabrication and finishing services for others; custom fabrication of material handling machines and conveyors; custom fabrication of skids; manufacture of metal skids in the nature of steel pallets to the order and/or specification of others; custom fabrication of exhaust systems; custom fabrication of platforms and stairs; custom fabrication of mixing hoppers, bins, and chutes; custom fabrication of mixing blades and mixing machines; custom fabrication of large-scale dryers; custom fabrication of augers; custom fabrication of high-pressure tanks and vessels; custom fabrication of piping for industrial applications in food, pharmaceutical, chemical, energy and power, and oil and gas processing industries; custom manufacture of general product lines in the field of steel pipe and tubing; prototype fabrication of new products for others; custom steel rolling and fabrication to the order specification of others; welding; welding services