This article is about the company. For the building formerly known as the Diamond Shamrock Building, see 1100 Superior.
Diamond Shamrock
Logo used from 2001 to 2021
Formerly
Diamond Alkali, Shamrock Oil and Gas, and Sigmor
Industry
Oil, gas, chemicals
Founded
1910 (1910) in Pittsburgh, Pennsylvania (as Diamond Alkali) August 29, 1929 (1929-08-29) (as Shamrock Oil and Gas) 1967 (1967) (as Diamond Shamrock)
Founders
John Sheerin, TR Evans, Thomas E. Turner
Fate
Acquired by Valero Energy Corporation
Headquarters
San Antonio
,
Texas
Area served
California, Colorado, Georgia, New Mexico, Oklahoma, South Carolina, Texas
Website
www.valero.com
Diamond Shamrock Corp. or Diamond Shamrock Refining and Marketing was an oil refinery and gas station company in the United States, headquartered in San Antonio, Texas.
Since 2001, it operates as a brand of Valero and has withdrawn the brand from a majority of Texas gas stations and had converted most of the stores to Valero or sold them off to Texaco or other companies.
DiamondShamrock Corp. or DiamondShamrock Refining and Marketing was an oil refinery and gas station company in the United States, headquartered in San...
States, Canada, United Kingdom, Mexico and Peru under the Valero, DiamondShamrock, Shamrock, Beacon, and Texaco brands. It is the largest independent petroleum...
ion-exchange resins. In 1967, Diamond Alkali and Shamrock Oil and Gas merged to form the DiamondShamrock Corporation. DiamondShamrock would go on to merge with...
chemical companies produced it: Dow Chemical Company, Monsanto Company, DiamondShamrock Corporation, Hercules Inc., Thompson Hayward Chemical Co., United States...
closed. In 1996, Ultramar Corporation merged with DiamondShamrock to form Ultramar DiamondShamrock. In 1997, the Sunoco name was withdrawn from Quebec...
The DiamondShamrock and Kwik Stop Boycott was a protest organized by the Nation of Islam against the DiamondShamrock gas station in Dallas, Texas. The...
1100 Superior (formerly known as the DiamondShamrock Building, the Diamond Building, and Oswald Centre) is a skyscraper in downtown Cleveland, Ohio's...
Stop-n-Go; all Houston-area 7-Elevens were rebranded as Stop-n-Gos until DiamondShamrock acquired the franchise in the late 1990s, now part of the Valero conglomerate...
Shrum Jr., a convenience store clerk, attended to customers at the DiamondShamrock gas station where he worked, in Mesquite, Texas. At around 11:20 p...
sold its North American refining and retail operations to Ultramar DiamondShamrock for $400 million in stock and $414 million in assumed debt. After Total's...
that time, 250 people worked in the company headquarters. In 1995, DiamondShamrock bought Stop N Go for $260 million. The plans called for the combined...
of Chicago.[citation needed] Early in his career, Dove worked for DiamondShamrock and Maxus Energy. He then joined Parker & Parsley first as vice president...
company owns 61 convenience stores leased to Total and operated by DiamondShamrock over a three-state area. Ruffin's Hotel Group division owns and operates...
Pennsylvania, and Ohio UTOCO - Utah Valero — U.S. Beacon — U.S. DiamondShamrock — U.S. Shamrock — U.S. Total — U.S. UK Fuels Brand — filling stations still...
Great Lakes in the 1910s and 1920s. The company was purchased by the DiamondShamrock Corporation in 1968, which in turn sold it to the Moore-McCormack Resources...
heated. In 1986, two workers were killed and 14 others injured at DiamondShamrock Chemicals in Ashtabula, Ohio, when 2,000 lb (910 kg) of ammonium dichromate...
patents known as Beer I and Beer II. He was awarded the Vittorio de Nora-DiamondShamrock award in 1980, and an honorary doctorate degree by the Eindhoven University...
pollutants such as dioxin. The dioxin was generated principally by the DiamondShamrock Chemical Plant in Newark, as a waste product resulting from the production...
Marcus Phillips, a 26-year-old African-American man killed leading to DiamondShamrock and Kwik Stop Boycott protests This disambiguation page lists articles...
Corporation for $440m. The Company was acquired by LASMO in 1991. "DiamondShamrock R & M, Inc". Scripophily. Retrieved 8 October 2018. Acquisition Set...
company's founding in 1883 until its sale to DiamondShamrock Corporation in 1968; those owned by DiamondShamrock Corporation until the sale of the subsidiary...