Computer Systems, LLC is a data processing service bureau owned by telephone company clients.  The company focuses on providing data processing and billing services to our clients.  We also provide the supportive software and hardware associated with their requirements.  Our services include toll rating, toll processing, telephone (subscriber) billing, Internet billing, CLEC billing, CABS & Reciprocal Compensation billing, UNE-Platform billing, Electronic Bill Presentment & Payment (EBPP), Cable TV billing, Lifeline/Link-Up services & support, and long distance reselling software/supports.