NicholCorp
- Formerly known as Plexicorp (Star Trek IV: The Voyage Home)
- After 1986: Purchased by Walter Nichols following his independent development of transparent aluminum (TOS Novel: The Rise and Fall of Khan Noonien Singh, Volume Two)
- By 1993: Begins development of cryonic technology for purposes of life preservation, long-term space travel (TOS Novel: The Rise and Fall of Khan Noonien Singh, Volume Two)
- By 2053: Major contributor to operations of NicholCorp Colony (TLE Novel: The Sundered)