| Past champions | |||
| Year | Winner | Score | Course |
| 1999 | Stuart Appleby | 279 (9-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1998 | David Duval | 276 (12-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1997 | x-Phil Blackmar | 276 (12-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1996 | x-Mark Brooks | 274 (14-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1995 | x-Payne Stewart | 276 (12-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1994 | Mike Heinen | 272 (16-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1993 | xy-Jim McGovern | 199 (17-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1992 | Fred Funk | 272 (16-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1991 | Fulton Allem | 273 (15-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1990 | xy-Tony Sills | 204 (12-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1989 | Mike Sullivan | 280 (8-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1988 | x-Curtis Strange | 280 (8-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1987 | x-Jay Haas | 276 (12-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1986 | x-Curtis Strange | 274 (14-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1985 | Raymond Floyd | 277 (11-under) | TPC at The Woodlands, The Woodlands, Texas |
| 1984 | Corey Pavin | 274 (10-under) | Woodlands CC, The Woodlands, Texas |
| 1983 | David Graham | 275 (9-under) | Woodlands CC, The Woodlands, Texas |
| 1982 | x-Ed Sneed | 275 (9-under) | Woodlands CC, The Woodlands, Texas |
| 1981 | y-Ron Streck | 198 (15-under) | Woodlands CC, The Woodlands, Texas |
| 1980 | x-Curtis Strange | 266 (18-under) | Woodlands CC, The Woodlands, Texas |
| 1979 | Wayne Levi | 268 (16-under) | Woodlands CC, The Woodlands, Texas |
| 1978 | Gary Player | 270 (18-under) | Woodlands CC, The Woodlands, Texas |
| 1977 | Gene Littler | 276 (12-under) | Woodlands CC, The Woodlands, Texas |
| 1976 | Lee Elder | 278 (10-under) | Woodlands CC, The Woodlands, Texas |
| 1975 | Bruce Crampton | 273 (15-under) | Woodlands CC, The Woodlands, Texas |
| 1974 | Dave Hill | 276 (12-under) | Quail Valley GC, Houston |
| 1973 | Bruce Crampton | 277 (11-under) | Quail Valley GC, Houston |
| 1972 | Bruce Devlin | 278 (10-under) | Westwood CC, Houston |
| 1971 | x-Hubert Green | 280 (Even) | Champions GC, Houston |
| 1970 | x-Gibby Gilbert | 282 (2-over) | Champions GC, Houston |
| 1969 | No tournament | ||
| 1968 | Roberto De Vicenzo | 274 (10-under) | Champions GC, Houston |
| 1967 | Frank Beard | 274 (10-under) | Champions GC, Houston |
| 1966 | Arnold Palmer | 275 (9-under) | Champions GC, Houston |
| 1965 | Bobby Nichols | 273 (11-under) | Sharpstown CC, Houston |
| 1964 | Mike Souchak | 278 (6-under) | Sharpstown CC, Houston |
| 1963 | Bob Charles | 268 (20-under) | Memorial Park GC, Houston |
| 1962 | x-Bobby Nichols | 278 (10-under) | Memorial Park GC, Houston |
| 1961 | x-Jay Hebert | 276 (12-under) | Memorial Park GC, Houston |
| 1960 | x-Bill Collins | 280 (Even) | Memorial Park GC, Houston |
| 1959 | x-Jack Burke Jr. | 277 (3-under) | Memorial Park GC, Houston |
| 1958 | Ed Oliver | 281 (1-over) | Memorial Park GC, Houston |
| 1957 | Arnold Palmer | 279 (1-under) | Memorial Park GC, Houston |
| 1956 | Ted Kroll | 277 (3-under) | Memorial Park GC, Houston |
| 1955 | Mike Souchak | 273 (7-under) | Memorial Park GC, Houston |
| 1954 | Dave Douglas | 277 (3-under) | Memorial Park GC, Houston |
| 1953 | x-Cary Middlecoff | 283 (3-over) | Memorial Park GC, Houston |
| 1952 | Jack Burke Jr. | 277 (3-under) | Memorial Park GC, Houston |
| 1951 | Marty Furgol | 277 (3-under) | Memorial Park GC, Houston |
| 1950 | Cary Middlecoff | 277 (11-under) | Brae Burn CC, Houston |
| 1949 | John Palmer | 272 (16-under) | Pine Forest CC, Houston |
| 1948 | No tournament | ||
| 1947 | Bobby Locke | 277 (11-over) | Memorial Park GC, Houston |
| 1946 | Byron Nelson | 274 (10-under) | River Oaks CC, Houston |
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