This is a sources-sought notice to gauge market capability for providing fire extinguisher and CO2 cylinder inspection, maintenance, hydro testing, and on-call services for the Northern California Area Office. The government is using responses to plan the procurement strategy and determine if a small business set-aside is possible. Capability statements must be submitted by 3:00 p.m. PDT on April 21, 2026. The work involves portable fire extinguisher annual inspections, maintenance, hydro testing, and the semi-annual weight inspection, transportation, filling, and testing of CO2 cylinders. The small business size standard for this NAICS code (541990) is $19.5 million.