UNSPSC 73181020: Surface treatment Services

UNSPSC 73181020 Surface treatment Services (Commodity) covers machinery repair, fabrication, and specialized fabrication work that state and local governments procure for water treatment facilities, transportation infrastructure, and fleet maintenance. Recent solicitations show state and local buyers treating this code as encompassing precision machining, equipment rebuild and refurbishment, specialized welding and metal fabrication, and in-situ repair services for pumps, gearboxes, compressors, and related mechanical components. Issuing bodies span county water authorities, county watershed departments, county transportation authorities, and city departments of public works and general services. Water and wastewater treatment facilities and departments are standout repeat buyers — the Macon Water Authority, DeKalb County Watershed facilities, and Palm Beach County's water treatment and reclamation operations all issued solicitations in the past five months for machine shop work, equipment rebuild, and specialized machining services.

Recent activity concentrates in Georgia and Florida. The Macon Water Authority (Georgia) posted an IFB on September 2, 2026, for rebuild of gravity thickeners and clarifier mechanisms at Rocky Creek WRF with bids due October 20, 2026, including replacement of aluminum slide gates with stainless steel gates and mandatory pre-bid attendance on October 6, 2026; the contract requires a Georgia Utility Contractor License and self-performance of a minimum 51 percent of the work. DeKalb County, Georgia issued an IFB on May 12, 2026, for machine shop services covering repair and machining of gearboxes, rotors, shafts, trash pumps, and associated watershed equipment with bids due June 8, 2026. Palm Beach County, Florida posted an IFB on May 13, 2026, for precision machine shop services (milling, boring, welding, fabrication) to be performed off-site at the bidder's facility with a twelve-month term, estimated expenditure of $188,750, and bids due June 24, 2026; the contract includes SBE and local preference provisions. The Orange County Transportation Authority (California) issued an RFQ on July 7, 2026, for a Scotchman 50-ton ironworker fabrication machine with delivery, installation, and training at Santa Ana Maintenance Base, quotes due June 2, 2026, and estimated contract value of $35,772.