C10 Fire designs, installs and services fire alarm and life-safety systems for commercial clients in northern California. Its own site publishes California alarm company operator licence ACO 7681, ACQ licence 5693, NICET certification 151522 and UL listing S35943 together on its front page. The business is organised around design, installation and service of fire alarm and life safety alongside wider technology engineering and contracting. It states over forty-five years of performance in the field.