Access Systems Integration, also known as ASI, is a service organization that offers integrated intrusion detection, video recording, visitor management and access control systems. Through its business relationships with various security systems manufacturers, the company serves clients in pharmaceutical, educational and government facilities. Access Systems Integration offers engineering, system installations, emergency support, remote monitoring, and project and remote system management solutions. The company provides operation and material management services. It has a business management system that tracks material purchase orders. It offers system design drafting and installation shop drawing services, as well as maintains a technical library and database. Access Systems Integration is a part of Michael Stapleton Associates, also known as MSA, which provides explosive, chemical, biological and radiological detection and security services. It also offers threat assessment, chemical and biological monitoring and counter surveillance solutions.