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Company History


Diversified Systems International (DSI) opened for business in the Northern Nevada and Lake Tahoe Areas in 1994 and strives daily to be the Leader in our markets for meeting the design, installation, and service needs of our Clients. In March of 2018, DSI joined forces with Technology Design Associates (TDA) and we are now able to service all of our clients stretched across Nevada, California, Oregon, and Washington.

Over the past 20 years, our growth can be attributed to a vast referral network of contractors, consumers, and independent businesses which have come to recognize the value of what we have to offer:  consistent product performance and excellent service.