Annual Sales of IT Firms Headquartered in California
| | IT Total |
| | 1983 |
| Dollars in billions | 5.956 |
| | IT Total |
| | 1984 |
| Dollars in billions | 12.221 |
| | IT Total |
| | 1985 |
| Dollars in billions | 16.197 |
| | IT Total |
| | 1986 |
| Dollars in billions | 18.358 |
| | IT Total |
| | 1987 |
| Dollars in billions | 20.036 |
| | IT Total |
| | 1988 |
| Dollars in billions | 20.409 |
| | IT Total |
| | 1989 |
| Dollars in billions | 24.188 |
| | IT Total |
| | 1990 |
| Dollars in billions | 23.884 |
| | IT Total |
| | 1991 |
| Dollars in billions | 25.876 |
| | IT Total |
| | 1992 |
| Dollars in billions | 27.892 |
| | IT Total |
| | 1993 |
| Dollars in billions | 30.045 |
| | IT Total |
| | 1994 |
| Dollars in billions | 33.283 |
| | IT Total |
| | 1995 |
| Dollars in billions | 39.816 |
| | IT Total |
| | 1996 |
| Dollars in billions | 48.174 |
| | IT Total |
| | 1997 |
| Dollars in billions | 51.226 |
| | IT Total |
| | 1998 |
| Dollars in billions | 54.2 |
| | IT Total |
| | 1999 |
| Dollars in billions | 61.78 |
| | IT Total |
| | 2000 |
| Dollars in billions | 71.823 |
| | IT Total |
| | 2001 |
| Dollars in billions | 70.422 |
| | IT Total |
| | 2002 |
| Dollars in billions | 59.463 |
| | IT Total |
| | 1983 |
| Dollars in billions | 5.956 |
| | IT Total |
| | 1984 |
| Dollars in billions | 12.221 |
| | IT Total |
| | 1985 |
| Dollars in billions | 16.197 |
| | IT Total |
| | 1986 |
| Dollars in billions | 18.358 |
| | IT Total |
| | 1987 |
| Dollars in billions | 20.036 |
| | IT Total |
| | 1988 |
| Dollars in billions | 20.409 |
| | IT Total |
| | 1989 |
| Dollars in billions | 24.188 |
| | IT Total |
| | 1990 |
| Dollars in billions | 23.884 |
| | IT Total |
| | 1991 |
| Dollars in billions | 25.876 |
| | IT Total |
| | 1992 |
| Dollars in billions | 27.892 |
| | IT Total |
| | 1993 |
| Dollars in billions | 30.045 |
| | IT Total |
| | 1994 |
| Dollars in billions | 33.283 |
| | IT Total |
| | 1995 |
| Dollars in billions | 39.816 |
| | IT Total |
| | 1996 |
| Dollars in billions | 48.174 |
| | IT Total |
| | 1997 |
| Dollars in billions | 51.226 |
| | IT Total |
| | 1998 |
| Dollars in billions | 54.2 |
| | IT Total |
| | 1999 |
| Dollars in billions | 61.78 |
| | IT Total |
| | 2000 |
| Dollars in billions | 71.823 |
| | IT Total |
| | 2001 |
| Dollars in billions | 70.422 |
| | IT Total |
| | 2002 |
| Dollars in billions | 59.463 |