UNSPSC 39121801: Controlling units or devices

This commodity consists of the active units and accessories in an IBI.

UNSPSC 39121801 Controlling units or devices is a Commodity code under which state and local governments procure programmable logic controllers (PLCs), SCADA system components, valve positioners, and continuous emissions monitoring system (CEMS) equipment for water treatment plants, utility operations, and industrial process control. The work spans PLC replacements with associated system integration, HMI upgrades, network modernization, Factory Acceptance Testing, operator training, and commissioning services. Issuing bodies include municipal water districts, city departments of watershed management, municipal utilities, and city purchasing offices procuring for energy and water operations. The code sees steady activity from water treatment and municipal utility facilities performing infrastructure modernization and obsolete equipment replacement.

Recent opportunities cluster in Georgia and Texas. The City of Atlanta's Department of Watershed Management has posted multiple SCADA modernization solicitations for the Hemphill and Chattahoochee Water Treatment Plants (pre-advertisement notices in May 2026, formal RFPs due October 14, 2026) involving replacement of General Electric iFix systems with Schneider Electric AVEVA Wonderware HMI systems, ControlLogix controller upgrades, and Ethernet/IP network conversion across multi-task 360-day project timelines. West Basin Municipal Water District in California issued RFP RFPDS0149 (due November 5, 2026) for Torrance Refinery Water Recycling Plant Programmable Logic Controller replacements involving three Modicon M580 processor installations, PLC programming, HMI development, and system integration with an existing Emerson Ovation DCS; the district anticipates a Notice of Recommended Award the week of November 9, 2026. The City of Santa Fe (New Mexico) solicited RFP FY26RFP036 (due December 18, 2025) for PLC replacement and SCADA modifications across four water treatment systems using Schneider Electric Unity Pro XL software, with local preference consideration and best-value evaluation weighting 35 percent on scope and expertise, 30 percent on cost, and 25 percent on interview. The City of Austin Purchasing Office has posted multiple IFQ solicitations for digital valve positioners and CEMS NOx/O2 units (IFQ1100AGM1029 due October 20, 2026; IFQ1100BAS1098 due August 5, 2026; IFQ1100CPG1079 due August 4, 2026) targeting certified SBEs and M/WBEs in the initial posting round.