Pioneer Group // Turn-Key Construction & Fabrication Solutions pioneer group, pioneer pipe, pioneer group marietta, pioneer pipe marietta, viking fabricators marietta, pioneer group ohio, pioneer pipe ohio, viking fabricators ohio, viking fabricators, marietta ohio, construction, midwest, pipe fabrication, steel fabrication, modular fabrication, electrical construction, general construction, civil construction, mechanical construction, plumbing, heating, steel erection, nuclear fabrication, post weld heat treating, structural steel fabrication, marcellus utica shale, carbon steel piping, stainless steel piping, chrome piping, pipe racks, valve racks, weld coupons, ASME stamps, ISO 9001:2008, AISC certified, NMAPC safety awards, TAUC safety awards Providing turn-key fabrication solutions for over 30 years, Pioneer Group is one of the largest full-service construction, maintenance, and fabrication companies in the Midwest, specializing in general, mechanical, and electrical construction, pipe fabrication and installation, steel fabrication and erection, modular fabrication and erection, plant maintenance, and plumbing and heating.