Evryware Inc. is a computer game development company based in Olympia, Washington, USA. It was founded in California in 1980 by two engineers, Dave Murry and Joe Gargiulo. Dave's siblings, Barry Murry and Dee Dee Murry, joined a few years later to round out the company. Evryware was active through the 1980s and '90s. The founders went on to create Prime Web Design and Great Big Island Records.
Source: Wikipedia, "Evryware," available under the CC-BY-SA License.