Houston Natural Gas Company (HNG) was a gas utility headquartered in Houston, Texas. The company was acquired by InterNorth Inc. in 1985, with HNG executives taking top positions at InterNorth. Following the transaction, InterNorth was renamed Enron Corporation, and the company headquarters was moved from InterNorth's base in Omaha to the former HNG offices in Houston. The company is notable for former CEO Kenneth Lay who became CEO of the newly formed Enron.

• Equestrian at the 2010 Asian Games - Team dressage
• Equestrian at the 2010 Asian Games - Team eventing
• Equestrian at the 2010 Asian Games - Team jumping
• Equestrian at the 2013 Southeast Asian Games - Individual dressage
• Equestrian at the 2013 Southeast Asian Games - Individual endurance
• Equestrian at the 2013 Southeast Asian Games - Individual jumping
• Equestrian at the 2013 Southeast Asian Games - Team dressage
• Equestrian at the 2013 Southeast Asian Games - Team endurance
• Equestrian at the 2013 Southeast Asian Games - Team jumping
• Equestrian at the 2014 Asian Games - Individual dressage
• Equestrian at the 2014 Asian Games - Individual eventing
• Equestrian at the 2014 Asian Games - Individual jumping
• Equestrian at the 2014 Asian Games - Team dressage
• Equestrian at the 2014 Asian Games - Team eventing
• Equestrian at the 2014 Asian Games - Team jumping
• Equestrian at the 2015 Pan American Games - Individual dressage
• Equestrian at the 2015 Pan American Games - Individual eventing
• Equestrian at the 2015 Pan American Games - Individual jumping
• Equestrian at the 2015 Pan American Games - Qualification
• Equestrian at the 2015 Pan American Games - Team dressage
• Equestrian at the 2015 Pan American Games - Team eventing
• Equestrian at the 2015 Pan American Games - Team jumping
• Equestrian at the 2016 Summer Olympics - Individual dressage
• Equestrian at the 2016 Summer Olympics - Individual eventing
• Equestrian at the 2016 Summer Olympics - Individual jumping