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  • TELSAR COMPUTER AND LAN SERVICES
    TELSAR COMPUTER AND LAN SERVICES
    (618) 462 0555
    319 Ridge Street, 62002  Alton

    About Telsar Computer & LAN Services Telsar Computer & LAN Services, Inc. (TCLS) was developed as an IT (Information Technology) department for Telsar Laboratories, Inc. in 1988. As the business progressed, it was noted that as a core business we could extend our service to others in the local …