Huntington Ingalls Industries Opens Houston Office to Pursue Energy Business for Avondale Subsidiary. Huntington Ingalls Industries (NYSE:HII) announced today that it is opening an office in Houston, Texas, for business development efforts to pursue opportunities in the energy infrastructure market for its Avondale subsidiary. "We have a great workforce at Avondale with unique engineering and manufacturing capabilities that have been demonstrated for many decades," said Mike Petters, HII's president and chief executive officer. "Additionally, these skilled men and women are located in the heart of a region where there is more manufacturing demand than thecurrent suppliers can meet, particularly in the energy markets.