The Phoenix Area Indian Health Service is seeking qualified vendors to provide a turnkey ambulatory cardiac arrhythmia monitoring solution for eligible beneficiaries, including devices, software, diagnostic reporting, and technical support. Services must be performed at the Phoenix Area Indian Health Service (PAIHS) locations and comply with federal privacy and cybersecurity requirements. The anticipated period of performance is one 12-month base period plus four 12-month option periods. This sources sought notice aims to determine availability of Indian Economic Enterprises (IEEs) and Indian Small Business Economic Enterprises (ISBEEs) to inform a potential set-aside under the Buy Indian Act. Interested vendors must submit a capability statement demonstrating relevant experience with Holter, event, or MCOT monitoring, and if claiming Buy Indian eligibility, identify the supporting Tribe or Alaska Native Corporation.