Founded in 1974 to produce ironworkers, Piranha has manufacturing roots that date back to 1879 via our Bertsch brand, known w ... orldwide as a manufacturer of innovative, heavy-duty metal rolling equipment. Our W.A. Whitney brand dates to 1907 and is recognized as a leader in the design and manufacture of fiber LASER cutting machines, plasma tables, and plasma/punching combination technology for metal plate fabricators. Strong brands, reliable products, established machine tool manufacturers serving the plate and structural fabrication industry joined together under the Piranha brand. Piranha offers combination ironworkers, plasma tables, fiber LASER, punch plasma machines, press brakes, bending rolls, structural punching equipment, and tooling. read more