This is a sources sought notice requiring interested parties to email the POC with company details and a capability statement demonstrating ability to perform the work. The contractor would provide ANAB-accredited ISO certification and maintenance services, specifically for ISO 45001:2018 and other RIA-JMTC-required ISO standards, at Rock Island Arsenal. The period of performance is five years (one base year plus three one-year option periods) from award, with audits intended to be scheduled in one calendar week each year and no lapse in certification. The first audit must be completed by the second week of October annually, with subsequent option-period audits in the same timeframe. Contractors must be accredited to ISO 17021, have comparable ISO audit experience at DoD facilities over 1,000 personnel, and cannot subcontract the certification process.