Vermont Microsystems
| Type | Private |
|---|---|
| Industry | Computer hardware |
| Founded | 1980 in Winooski, Vermont, United States |
| Founder |
|
| Defunct | c. 2000 |
| Fate | Dissolved |
| Key people | Peter C. Reed, CEO and president |
Number of employees | 110 (1986, peak) |
Vermont Microsystems, Inc. (VMI), was an American computer company based in Winooski, Vermont, and active from 1980 to around 2000. It sold high-end graphics adapters for the IBM PC and compatibles. The company is best known for designing the Professional Graphics Controller (PGC) for IBM in 1984. Later on, it developed enhancement software for AutoCAD, which became the subject of a landmark legal case regarding trade secret infringement in the 1990s.