Distribution - National, Regional & Independent (Electrical, Datacomm, Security) Datacomm Contractors and Integrators Security Integrators and Dealers Municipalities Airport Authorities  Port Security  State and Local Universities  Health Care Hospitality  (Theme Parks and Entertainment Venues) Commercial & Residential networking contractors and Integrators Operating Telcos Power and Water Utilities NASA State Agencies Dept. of Transportation Dept. of Education Dept. of Corrections TCF works closely with an extensive group of consulting and engineering firms that are also responsible for specification call-outs for these and many other market segments. The Connectivity Firm also provides factory training for our manufacturers.