This sources-sought announcement seeks market research on qualified Service-Disabled Veteran-Owned and Veteran-Owned Small Businesses capable of full-service maintenance for the Long Beach VA Healthcare System’s reverse osmosis, deionization equipment, and PE water softeners, ensuring the SPS critical water system meets AAMI ST108. Performance is at the Long Beach VA Medical Center, 5901 E 7th Street, Long Beach, CA 90822, under a one-year agreement with normal coverage Monday–Friday, 5am–5pm PST. The contractor must provide all labor, tools, diagnostic equipment, monthly RO/DI service, filter and mixed-bed exchanges, quarterly and semi-annual sanitization, UV lamp replacement, optional monthly lab testing, and documentation/reporting. Service requests must be acknowledged by phone within 2 hours, preventive maintenance records are due within 5 working days, and VA badge processing can take up to 30 calendar days. Interested firms should provide company/contact/business-type information, a capability statement, and estimated pricing if priced today; the Government may set aside for SDVOSB or use alternate/full-and-open competition if responses are inadequate.