HP Sauce is a brown sauce originally produced by HP Foods in the United Kingdom, now produced by the H. J. Heinz Company in the Netherlands.
 It was named after London's Houses of Parliament.
 Since its first appearance on British dinner tables, HP Sauce has become an icon of British culture.
 It was the best-selling brand of brown sauce in the UK in 2005, with 73.8% of the retail market.
The Rolls-Royce 15 hp was one of four cars to be produced as a result of an agreement of 23 December 1904 between Charles Rolls and Henry Royce.
 Badged as a Rolls-Royce, the 15 hp was produced by Royce's company, Royce Ltd., at its factory in Cooke Street, Hulme, Manchester.
 It was sold exclusively by Rolls' motor dealership, C.S.Rolls & Co., at a price of GBP500.
 The 15 hp was exhibited at the Paris Salon in December 1904, along with the 10 hp, 20 hp and engine for the 30 hp models, but as the new three-cylinder engine was not ready the chassis was incomplete.
HP 9000 is a line of workstation and server computer systems produced by the Hewlett-Packard Company (HP).
 The native operating system for almost all HP 9000 systems is HP-UX, which is based on UNIX System V.
 The HP 9000 brand was introduced in 1984 to encompass several existing technical workstation models previously launched in the early 1980s.
The H. J. Heinz Company, or Heinz, was an American food processing company with world headquarters in Pittsburgh, Pennsylvania.
 It was founded by Henry John Heinz in 1869.
 The H. J. Heinz Company manufactures thousands of food products in plants on six continents, and markets these products in more than 200 countries and territories.
 The company claims to have 150 number-one or number-two brands worldwide.
 Heinz ranked first in ketchup in the US with a market share in excess of 50%; Ore-Ida label held 46% of the frozen potato sector in 2003.
The Rolls-Royce 10 hp was the first car to be produced as a result of an agreement of 23 December 1904 between Charles Rolls and Henry Royce, and badged as a Rolls-Royce.
 The 10 hp was produced by Royce's company, Royce Ltd., at its factory in Cooke Street, Hulme, Manchester, and was sold exclusively by Rolls' motor dealership, C.S.Rolls & Co., at a price of GBP395.
 The 10 hp was exhibited at the Paris Salon in December 1904, along with 15 hp and 20 hp cars and engine for the 30 hp models.
The Rolls-Royce 20 hp was one of four car models to be produced as a result of an agreement of 23 December 1904 between Charles Rolls and Henry Royce.
 Badged as a Rolls-Royce, the 20 hp was produced during 1905 and 1906 by Royce's company, Royce Ltd. at its factory in Cooke Street, Hulme, Manchester.
 It was sold exclusively by Rolls' motor dealership, C.S.Rolls & Co., at a price of GBP650.
 The 20 hp was exhibited at the Paris Salon in December 1904, along with the 10 hp, 15 hp and engine for the 30 hp models.
Trappey's Hot Sauce is one of the oldest hot sauce brands in the United States.
 It was originally produced by the New Iberia, Louisiana-based company Trappey's Fine Foods, Inc.
 Trappey's was purchased by B&G Foods in 1997.
 Trappey's makes Red Devil Cayenne Pepper Sauce, Bull Louisiana Hot Sauce, Indi-Pep Pepper Sauce, Chef Magic Jalapeño Sauce, Trappey's Cut Okra, Trappey's Creole Okra Gumbo, Trappey's Cocktail Okra (mild and hot varieties) and pickled jalapeños.
Lao Gan Ma (; also called Laoganma) or Old Godmother is a brand of chili sauces that are made in China.
 The sauce is produced by Laoganma Special Flavour Foodstuffs Company, which was established in 1997.
 Development of the sauce began in August 1996 by Tao Huabi (), who employed 40 people at that time in a workshop environment.
 1.3 million bottles of the sauce are produced daily.
 The product is sold in China and in over 30 countries.
 Tao Huabi is the owner of the company, and her son Li Guishan became the first president of the company.
 "Women of China" magazine reported in January 2011 that the company's assets were 1.3 billion yuan (US $190 million) and that the company had 2,000 employees at that time.
The Rolls-Royce 30 hp was one of four cars to be produced as a result of an agreement of 23 December 1904 between Charles Rolls and Henry Royce.
 Badged as a Rolls-Royce, the 30 hp was produced during 1905 and 1906 by Royce's company, Royce Ltd. at its factory in Cooke Street, Hulme, Manchester.
 It was sold exclusively by Rolls' motor dealership, C.S.Rolls & Co., at a price of GBP 890.
 The engine was exhibited at the Paris Salon in December 1904, along with the 10 hp, 15 hp and 20 hp models.
Salsa Lizano, ("salsa" means "sauce" in Spanish), is a Costa Rican condiment developed in 1920 by the Lizano Company.
 It is now a product of Unilever.
 It is a thin, smooth, light brown sauce (akin to such condiments as HP Sauce or Worcestershire sauce).

Question: HP sauce is produced by a company in which city in Pennsylvania?
Answer: Pittsburgh