Ardmore: 1913, with numerous expansions since then
Purchased by Valero 2001

Aruba: 1929, with significant upgrades from 1940-1960, 1995, 1998 and beyond
Purchased by Valero 2004

Benicia: 1968, with several upgrades since then
Purchased by Valero 2000

Corpus Christi: 1983 (West Plant) and 1960s (East Plant)
Purchased by Valero 1981   Purchased by Valero 2001

Delaware City: May 1957, entire refinery built in that year
Purchased by Valero 2005

Houston: 1942, with several upgrades since then
Purchased by Valero 1997

Jean Gaulin (Quebec): October 1971, with major upgrades from 1980-83
Purchased by Valero 2001

Krotz Springs: 1980, with numerous upgrades since then
Purchased by Valero 1997

McKee: 1933, with major unit upgrades in 1950s, 1990s, and 2004
Purchased by Valero 2001

Memphis: 1941, with major upgrades since then
Purchased by Valero 2005

Paulsboro: 1917, with major upgrades throughout the decades
Purchased by Valero 1998

Port Arthur: 1902, with major upgrades since then
Purchased by Valero 2005

St. Charles: 1930s with major upgrades since then.
Purchased by Valero 2003

Texas City: 1951, with several upgrades since then
Purchased by Valero 1997

Three Rivers: 1974, with expansions since then
Purchased by Valero 2001

Wilmington: 1969, with major expansions since then
Purchased by Valero 2001