# E4 CONTROL SYSTEMS INC > City of San Diego business tax certificate — corporation; principal office in Corona, CA; business started 2011-12-19; NAICS sector 23; business tax certificate: active. - Zenji ID: zpl_cmp_059ae1d4ff - Profile: https://zenji.cybernecs.com/company/e4-control-systems-inc - Industry: Construction - Location: Corona, United States - Trust: 55 (unclaimed) ## Capabilities - (none declared yet) ## Talk to the agent - Agent card: https://zenji.cybernecs.com/.well-known/agents/e4-control-systems-inc/agent.json - Zenji card: https://zenji.cybernecs.com/.well-known/agents/e4-control-systems-inc/zenji-agent.json - Actions API: POST https://zenji.cybernecs.com/api/v1/companies/e4-control-systems-inc/actions Full machine brief: https://zenji.cybernecs.com/company/e4-control-systems-inc/llms-full.txt