| Houston Professional Golf | ||||
| Year | Winner | Score | Runner up | Score |
| 1922 | George Bowden | 147 | ||
| Houston Invitational | ||||
| Year | Winner | Score | Runner up | Score |
| 1923 | Joe Kirkwood, Sr. | Dan Kenny | ||
| 1923 | William Lorimer | |||
| 1923 | Bill Mehlhorn | |||
| Houston Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1924 | Joe Kirkwood, Sr. | 259 | Bill Mehlhorn | |
| 1930 | Al Espinosa | 281 | John Golden | 284 |
| 1932 | Clarence Clark | 220 | Tony Manero | |
| 1937 | Harry Cooper | 280 | Paul Runyan | 284 |
| 1937 | Sam Snead | 284 | ||
| 1938 | Harold McSpaden | 212 | Dick Metz | 213 |
| 1946 | Byron Nelson | Ben Hogan | ||
| 1947 | Bobby Locke | Johnny Palmer | ||
| 1947 | Ellsworth Vines | |||
| 1949 | Johnny Palmer | 272 | Cary Middlecoff | 273 |
| 1950 | Cary Middlecoff | 277 | Pete Cooper | 280 |
| 1951 | Marty Furgol | 277 | Jack Burke, Jr. | 278 |
| 1952 | Jack Burke, Jr. | 277 | Frank Stranahan | 283 |
| 1953 | Cary Middlecoff | 283 | Jim Ferrier | 283 |
| 1953 | Shelley Mayfield | 283 | ||
| 1954 | Dave Douglas | 277 | Cary Middlecoff | 279 |
| 1955 | Mike Souchak | 273 | Jerry Barber | 275 |
| 1956 | Ted Kroll | 277 | Jack Burke, Jr. | 280 |
| 1956 | Dave Douglas | 280 | ||
| 1957 | Arnold Palmer | 279 | Doug Ford | 280 |
| 1958 | Ed Oliver | 281 | Roberto De Vicenzo | 282 |
| 1958 | Jay Hebert | 282 | ||
| Houston Classic | ||||
| Year | Winner | Score | Runner up | Score |
| 1959 | Jack Burke, Jr. | 277 | Julius Boros | 277 |
| 1960 | Bill Collins | 280 | Arnold Palmer | 280 |
| 1961 | Jay Hebert | 276 | Ken Venturi | 276 |
| 1962 | Bobby Nichols | 278 | Jack Nicklaus | 278 |
| 1962 | Dan Sikes | 278 | ||
| 1963 | Bob Charles | 268 | Fred Hawkins | 269 |
| 1964 | Mike Souchak | 278 | Jack Nicklaus | 279 |
| 1965 | Bobby Nichols | 273 | Bruce Devlin | 274 |
| 1965 | Chi Chi Rodriguez | 274 | ||
| Houston Champions International | ||||
| Year | Winner | Score | Runner up | Score |
| 1966 | Arnold Palmer | 275 | Gardner Dickinson | 276 |
| 1967 | Frank Beard | 274 | Arnold Palmer | 275 |
| 1968 | Roberto De Vicenzo | 274 | Lee Trevino | 275 |
| 1970 | Gibby Gilbert | 282 | Bruce Crampton | 282 |
| 1971 | Hubert Green | 280 | Don January | 280 |
| Houston Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1972 | Bruce Devlin | 278 | Tommy Aaron | 280 |
| 1972 | Lou Graham | 280 | ||
| 1972 | Doug Sanders | 280 | ||
| 1973 | Bruce Crampton | 277 | Dave Stockton | 278 |
| 1974 | Dave Hill | 276 | Rod Curl | 277 |
| 1974 | Steve Melnyk | 277 | ||
| 1974 | Andy North | 277 | ||
| 1975 | Bruce Crampton | 273 | Gil Morgan | 275 |
| 1976 | Lee Elder | 278 | Forrest Fezler | 279 |
| 1977 | Gene Littler | 276 | Lanny Wadkins | 279 |
| 1978 | Gary Player | 270 | Andy Bean | 271 |
| 1979 | Wayne Levi | 268 | Michael Brannan | 270 |
| Michelob-Houston Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1980 | Curtis Strange | 266 | Lee Trevino | 266 |
| 1981 | Ron Streck | 198 | Hale Irwin | 201 |
| 1981 | Jerry Pate | 201 | ||
| 1982 | Ed Sneed | 275 | Bob Shearer | 275 |
| Houston Coca-Cola Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1983 | David Graham | 275 | Lee Elder | 280 |
| 1983 | Lee Trevino | 280 | ||
| 1983 | Jim Thorpe | 280 | ||
| 1984 | Corey Pavin | 274 | Buddy Gardner | 275 |
| Houston Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1985 | Raymond Floyd | 277 | David Frost | 278 |
| 1985 | Bob Lohr | 278 | ||
| 1986 | Curtis Strange | 274 | Calvin Peete | 274 |
| Big "I" Houston Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1987 | Jay Haas | 276 | Buddy Gardner | 276 |
| Independent Insurance Agent Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1988 | Curtis Strange | 270 | Greg Norman | 270 |
| 1989 | Mike Sullivan | 280 | Craig Stadler | 281 |
| 1990 | Tony Sills | 204 | Gil Morgan | 204 |
| 1991 | Fulton Allem | 273 | Billy Ray Brown | 274 |
| 1991 | Mike Hulbert | 274 | ||
| 1991 | Tom Kite | 274 | ||
| Shell Houston Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1992 | Fred Funk | 272 | Kirk Triplett | 274 |
| 1993 | Jim McGovern | 199 | John Huston | 199 |
| 1994 | Mike Heinen | 272 | Jeff Maggert | 275 |
| 1994 | Hal Sutton | 275 | ||
| 1994 | Tom Kite | 275 | ||
| 1995 | Payne Stewart | 276 | Scott Hoch | 276 |
| 1996 | Mark Brooks | 274 | Jeff Maggert | 274 |
| 1997 | Phil Blackmar | 276 | Kevin Sutherland | 276 |
| 1998 | David Duval | 276 | Jeff Maggert | 277 |
| 1999 | Stuart Appleby | 279 | John Cook | 280 |
| 1999 | Hal Sutton | 280 | ||
| 2000 | Robert Allenby | 275 | Craig Stadler | 275 |
| 2001 | Hal Sutton | 278 | Joe Durant | 281 |
| 2001 | Lee Janzen | 281 | ||
| 2002 | Vijay Singh | 266 | Darren Clarke | 272 |
| 2003 | Fred Couples | 267 | Stuart Appleby | 271 |
| 2003 | Mark Calcavecchia | 271 | ||
| 2003 | Hank Kuehne | 271 | ||
| 2004 | Vijay Singh | 277 | Scott Hoch | 279 |
| 2005 | Vijay Singh | 275 | John Daly | 275 |
| 2006 | Stuart Appleby | 269 | Bob Estes | 275 |
| 2007 | Adam Scott | 271 | Stuart Appleby | 274 |
| 2007 | Bubba Watson | 274 | ||
| 2008 | Johnson Wagner | 272 | Geoff Ogilvy | 274 |
| 2008 | Chad Campbell | 274 | ||