Supply of Calibration-Grade Reference Standards and Accessories

The contract involves the supply of NIST-traceable calibration-grade reference standards, probes, leads, and related accessories necessary for calibration procedures. This includes the ongoing provision of these items with options for periodic replacement and certification to ensure accuracy and compliance with industry standards. The solicitation, managed by Transit Chicago under the Illinois agency, aims to support maintenance and calibration needs with high-quality, certified equipment. Responses for this subcontract opportunity are due by June 25, 2026, with the contract initially posted on June 1, 2026. The procurement falls under the NAICS code 423490, which relates to the wholesale distribution of professional equipment and supplies. Specific details regarding the place of performance, agency contact, or set-aside status are not provided. Interested vendors can access further information and submit proposals through the official Transit Chicago procurement portal.