NIGP 05572: Propane/Butane or Natural Gas Conversion Equipment

NIGP 05572 Propane/Butane or Natural Gas Conversion Equipment, an Item code, encompasses the design, installation, and supply of propane and natural gas fueling infrastructure, tank systems, and related conversion equipment for state and local fleet and facility operations. State and local governments procure under this code primarily to support propane-fueled vehicle fleets, stationary tank infrastructure, and fuel supply contracts for schools, counties, and municipalities. Representative recent work includes the design and installation of large-capacity above-ground propane refueling facilities with multiple dispensers, propane tank supply and maintenance services, natural gas line installation and relocation projects, and compressed natural gas conversion of refuse trucks and other vehicles.

Issuing bodies soliciting under the code include school districts, county governments, and municipal infrastructure departments. School districts appear as repeat buyers, with Bibb County Public Schools in Georgia posting multiple RFPs for district-wide propane services covering 157 propane-fueled buses and facility operations. The City of Leesburg, Florida, Ware County, Georgia, and the City of Olathe, Kansas have also recently posted solicitations. Geographic activity concentrates in Florida, Georgia, and Kansas, with one recent natural gas commodity bid from Murray County Board of Education in Georgia. Representative opportunities include Bibb County Public Schools RFP 26-028 for district-wide propane services with proposals due February 23, 2026 at 9 a.m. EST through BONFIRE, covering design and installation of a minimum 30,000-gallon above-ground refueling facility with four pumps and ongoing fuel supply and maintenance; the City of Leesburg, Florida IFB 26-002-HG for abandonment and installation of approximately 1,500 feet of 6-inch steel natural gas main under U.S. Highway 27, with bids due November 5, 2025 at 1:00 p.m.; Ware County, Georgia's facilities propane procurement with a March 26, 2026 deadline seeking tanks, propane, and maintenance services; and the City of Olathe, Kansas IFB 26-0016 for two new Compressed Natural Gas roll-off refuse trucks with bids due February 27, 2026 at 10:00 a.m. CST.