NIFCO Mechanical Systems is a fire sprinkler and industrial piping contractor based in Lincoln, Nebraska, which began in 1975 as a fire sprinkler contractor. Its fire sprinkler division handles design, layout, installation, inspection and repair, alongside backflow preventer testing and certification. A separate mechanical division handles industrial piping, boilers, chillers and HVAC. It serves healthcare, education, industrial manufacturing, hospitality and government clients in the Midwest. It is a Nebraska State Fire Marshal Certified Water-Based Fire Protection Contractor (certificate 22105).