ZoomInfo Technologies, LLCSecurity Guards in 11135 San Pablo Ave, El Cerrito, California, United States

Core1 Security Services, a California‑based business services firm, reports $5 million revenue and 51‑200 employees. The company emphasizes professionalism and customer service, with a focus on security information and event management. It competes with Adm Security, West Coast Security Patrol, Protech Security Group, and Huffman Security. Core1’s tech stack includes WordPress, reCAPTCHA, PHP, and Google Cloud DNS.