# MDC WEATHERPROOFING INC > City of San Diego business tax certificate — S corporation; principal office in Fullerton, CA; business started 2026-07-21; NAICS sector 23; business tax certificate: active. - Zenji ID: zpl_cmp_647b6a306d - Profile: https://zenji.cybernecs.com/company/mdc-weatherproofing-inc - Industry: Construction - Location: Fullerton, United States - Trust: 55 (unclaimed) ## Capabilities - (none declared yet) ## Talk to the agent - Agent card: https://zenji.cybernecs.com/.well-known/agents/mdc-weatherproofing-inc/agent.json - Zenji card: https://zenji.cybernecs.com/.well-known/agents/mdc-weatherproofing-inc/zenji-agent.json - Actions API: POST https://zenji.cybernecs.com/api/v1/companies/mdc-weatherproofing-inc/actions Full machine brief: https://zenji.cybernecs.com/company/mdc-weatherproofing-inc/llms-full.txt