Fermi National Accelerator Laboratory (Fermilab) is seeking a subcontractor to design, manufacture, test, document, and deliver Booster GMPS Power Supply Girder Resonant Capacitors for the Proton Improvement Plan II (PIP-II) project. This work supports an essential upgrade to Fermilab’s accelerator complex for the Deep Underground Neutrino Experiment. Performance of services will be at the contractor’s facility, with delivery to Fermilab in Batavia, Illinois. No specific budget amount or non-bid/submission timelines are mentioned in the description. The capacitors must meet detailed technical specifications to enable the world’s most intense high-energy neutrino beam.