Companies Headquartered in Houston
Mattress Firm
Description: American mattress retailer
Headquarters: Houston
Founded In: 1986
Products or Services: mattress
Industry: retail,bedding
Merrick Systems, Inc.
Headquarters: Houston
Founded In: 1989
Industry: software
Mexican Restaurants, Inc.
Headquarters: Houston
Industry: restaurant
Mind Storm Labs
Description: game publisher
Headquarters: Houston
Founded In: 2006
Industry: role-playing game
Mitsubishi Caterpillar Forklift America
Description: American manufacturer and distributor of material handling equipment and parts
Headquarters: Houston
Founded In: 1992
Products or Services: forklift truck
Industry: manufacturing
N.F. Smith & Associates
Description: electronics company of Texas, United States
Headquarters: Houston
Founded In: 1984
Products or Services: computer hardware,networking hardware
NATCO Group
Headquarters: Houston
Founded In: 1988
NRG Energy
Description: American energy company
Headquarters: Princeton,Houston
Founded In: 1905
Industry: electric utility
National Oilwell Varco
Description: oilfield services company
Headquarters: Houston
Founded In: 1862
National Wrestling Alliance
Description: American professional wrestling promotion
Headquarters: Houston
Founded In: 1948
Industry: professional wrestling
NetIQ
Description: cybersecurity software product line
Headquarters: San Jose,Houston
Founded In: 1995
Industry: software
Newfield Exploration
Description: former energy company; acquired by Encana
Founded by: Joe B. Foster
Headquarters: Houston
Founded In: 1988
Products or Services: petroleum
Industry: petroleum industry
Niska Gas Storage Partners
Headquarters: Houston
Founded In: 2006
Noble Energy
Description: company engaged in hydrocarbon exploration
Headquarters: Houston
Founded In: 1932
Products or Services: petroleum
Industry: petroleum industry
Occidental Petroleum
Description: American oil company
Headquarters: Houston
Founded In: 1920
Products or Services: petroleum
Industry: petroleum industry
Ocean Infinity
Description: Data & Technology Company
Headquarters: Houston
Founded In: 2017
Oceaneering International
Description: company
Headquarters: Houston
Founded In: 1964
Industry: aerospace manufacturer
Odyssey House
Description: drug abuse treatment facility in Houston, Texas
Headquarters: Houston
Founded In: 1989
Odyssey Space Research
Description: business in Houston, Texas, U.S
Headquarters: Houston
Founded In: 2003
Industry: aerospace engineering
Omega Protein
Headquarters: Houston
Founded In: 1998
Open iT
Headquarters: Houston
Founded In: 1999
Industry: software
PROS
Description: big data software company
Headquarters: Houston
Founded In: 1986
Palais Royal
Description: defunct American chain of department stores
Headquarters: Houston
Founded In: 1921
Industry: retail
Pappas Restaurants
Description: multi-brand restaurant chain in America
Headquarters: Houston
Founded In: 1976
Products or Services: seafood
Industry: restaurant
Patterson-UTI Energy, Inc
Headquarters: Houston
Founded In: 1978
Industry: petroleum industry
Pen & Pixel
Description: American graphic design company
Headquarters: Houston
Founded In: 1992
Industry: graphic design
Pennzoil
Description: American oil company
Headquarters: Houston
Founded In: 1963
Products or Services: motor oil
Industry: petroleum industry
Petrohawk
Description: defunct American energy corporation
Headquarters: Houston
Founded In: 2003
Products or Services: petrochemical product
Industry: petroleum industry
Pinot's Palette
Description: paint and sip studio
Headquarters: Houston
Founded In: 2009
Piping Technology and Products
Headquarters: Houston
Founded In: 1978
Industry: manufacturing
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