Compliance Systems Corporation, through its subsidiaries, provides compliance technologies, methodologies, and services to the teleservices industry. It primarily offers a compliance technology called the TeleBlock Call Blocking System, a patented process that automatically screens and blocks outbound calls against federal, state, and in-house do-not-call lists. The company also offers Regulatory Guide, an online and up-to-date compilation of state and federal telemarketing laws, as well as ongoing compliance auditing services. It is also developing Registration Guide, an online system designed to assist telemarketers to fill out state commercial registration forms. In addition, the company provides voice-over Internet protocol services. The company was incorporated in 2002 and is headquartered in Glen Cove, New York.