Dominant Systems is a computer network services company located in Ann Arbor. The firm specializes in installation and service of Hewlett-Packard Proliant servers for businesses, as well as technical services that are both cost-effective and highly workable for clients. Dominant also installs software from manufacturers like Microsoft, Cisco and Symantec, among others. The firm is Microsoft-certified, and has been in business in Ann Arbor for more than 20 years.