Keystone Communications of Salt Lake City will be the largest provider of broadcast services for the 1990-91 National Basketball Association season.

NBA teams utilizing Keystone's services are the Boston Celtics, Dallas Mavericks, Denver Nuggets, Detroit Pistons, Golden State Warriors, Indiana Pacers, Los Angeles Lakers, Minnesota Timberwolves, Orlando Magic, Philadelphia 76ers, Phoenix Suns, Portland Trailblazers, Sacramento Kings, San Antonio Spurs and Seattle Supersonics.The services provided by the company, headquartered at 303 E. South Temple, include production, first-mile connectivity, space segment and telephone services for backhaul transmissions.

Keystone Communications, a satellite transmission service company, provided downlinking service for the Buster Douglas-Evander Holyfield heavyweight boxing championship fight in the Mirage Hotel in Las Vegas.

The company's services were secured by TV3, New Zealand; Sky Channel, Australia; and Guam Cable TV.