UNSPSC 73181000: Machining services

UNSPSC 73181000 Machining services (Class) encompasses precision machine shop work that state and local governments procure for maintenance, repair, and fabrication of specialized equipment—ranging from water and wastewater infrastructure components to transit bus engine overhauls and ironworker machinery. Recent solicitations show two dominant patterns: off-site precision machining for industrial pump and gearbox repair, and on-site overhaul and remanufacturing of heavy transit assets. Palm Beach County and DeKalb County have posted multiple term-contract opportunities for off-site machine shop services to support water and wastewater operations, with work including milling, boring, polishing, turning, welding, and fabrication of specialty items. The Orange County Transportation Authority solicited a Scotchman 50-ton ironworker fabrication machine (a capital equipment procurement) under this code, though the work is acquisition rather than service delivery. State and local buyers include transportation authorities (MBTA, OCTA, Broward County Transportation, Seminole County), water and wastewater agencies (Palm Beach County, DeKalb County), and general county departments managing mixed equipment fleets. Issuing bodies range from small municipal purchasing offices to large regional transit authorities with FTA funding compliance requirements.

Recent opportunities concentrate in California, Florida, Georgia, and Massachusetts. The Massachusetts Bay Transportation Authority issued RFP 17F-26 in February 2026 for Cummins ISL CNG engine overhaul and remanufacturing services for 115 transit engines (three per month baseline), with proposals due April 1, 2026, on a best-value basis requiring two years of transit engine remanufacturing experience and comprehensive insurance including $10 million umbrella and $5 million pollution liability. Broward County Transportation Department posted an open-end rolling stock repower overhaul contract for 198 mid-life buses in January 2026, with bids closing February 23, 2026 and mandatory Cummins and transmission OEM certifications. Palm Beach County issued an IFB for precision machine shop services (term contract, estimated expenditure $188,750 annually) due June 24, 2026, with a ten-percent SBE price preference and five-percent local preference available. DeKalb County Watershed in Georgia solicited machine shop repair services for gearboxes, trash pumps, and drilling equipment on June 8, 2026. Work is typically ordered on an as-needed basis with firm fixed hourly labor rates, and contracts frequently include renewal options spanning three to five years with no minimum order guarantees.