Access Security Controls International, Inc. | ASCI provides the highest quality and service within the security industry. You have an incredible investment in your business and it should be protected by a company that understands the risks associated in protecting your personnel, property and assets. ASCI utilizes the most technologically up-to-date security equipment in the industry and employs pre-screened, highly trained technicians to ensure quality and reliability. ASCI serves the California, Nevada, Arizona and beyond.