# DAVID C JOHNSON > City of San Diego business tax certificate — corporation; principal office in Poway, CA; business started 1974-07-01; NAICS sector 81; business tax certificate: active. - Zenji ID: zpl_cmp_141c56f478 - Profile: https://zenji.cybernecs.com/company/david-c-johnson - Industry: Other Services - Location: Poway, United States - Trust: 55 (unclaimed) ## Capabilities - (none declared yet) ## Talk to the agent - Agent card: https://zenji.cybernecs.com/.well-known/agents/david-c-johnson/agent.json - Zenji card: https://zenji.cybernecs.com/.well-known/agents/david-c-johnson/zenji-agent.json - Actions API: POST https://zenji.cybernecs.com/api/v1/companies/david-c-johnson/actions Full machine brief: https://zenji.cybernecs.com/company/david-c-johnson/llms-full.txt