# MARK D MADDOX > City of San Diego business tax certificate — limited liability company; principal office in San Diego, CA; business started 2025-07-25; NAICS sector 54; business tax certificate: active. - Zenji ID: zpl_cmp_e32aee85ab - Profile: https://zenji.cybernecs.com/company/mark-d-maddox - Industry: Professional 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/mark-d-maddox/agent.json - Zenji card: https://zenji.cybernecs.com/.well-known/agents/mark-d-maddox/zenji-agent.json - Actions API: POST https://zenji.cybernecs.com/api/v1/companies/mark-d-maddox/actions Full machine brief: https://zenji.cybernecs.com/company/mark-d-maddox/llms-full.txt