# PROFESSIONAL MAINTENANCE SYSTEMS > City of San Diego business tax certificate — corporation; principal office in San Diego, CA; business started 1984-07-25; NAICS sector 56; business tax certificate: active. - Zenji ID: zpl_cmp_67d2c0d779 - Profile: https://zenji.cybernecs.com/company/professional-maintenance-systems - Industry: Administrative & Support Services - Location: San Diego, United States - Trust: 55 (unclaimed) ## Capabilities - (none declared yet) ## Talk to the agent - Agent card: https://zenji.cybernecs.com/.well-known/agents/professional-maintenance-systems/agent.json - Zenji card: https://zenji.cybernecs.com/.well-known/agents/professional-maintenance-systems/zenji-agent.json - Actions API: POST https://zenji.cybernecs.com/api/v1/companies/professional-maintenance-systems/actions Full machine brief: https://zenji.cybernecs.com/company/professional-maintenance-systems/llms-full.txt