“We had that problem for a month before you fixed it in 1 day!”

Dallas IT Companies


Dallas IT companies lead the nation in advanced network support. 1 Call Service specializes in supporting multi-location companies. Leveraging public and private cloud services to support the network operations, our service provides onsite and remote helpdesk, network support, weekly and monthly reporting on the health of your systems. 
100% uptime and security are the basis of 25 years support experience in managed network services.  
Started in 1994 makes us one of the original Dallas IT companies. Making your business run well is the only way we succeed!  Our focus has been the same since day 1.  Networks, Websites and Computers!
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TRUE IT PARTNER 972-418-2000