by 
Thomas Wyatt Nig. Plc, 1948, Natural Resources, listed as Thomaswy in 1978
Total Nigeria Plc, 1956, Oil & Gas, listed as Total
Tourist Company of Nigeria Plc, 1964, listed as Tourist
Trans-Nationwide Express Plc, 1984, listed as Transexpr in 1992
Transcorp Hotels Plc, 1994, listed as Transcohot in 2015
Transnational Corporation of Nigeria Plc, 2004, Conglomerate listed as TransCorp
Tripple Gee & Company Plc, 1980, ICT, listed as TripleEG in 2013
UACH Group Plc, UACN, conglomerate, inc, 1931
UACN Property Development Company Plc, 1997, Construction & Real Estate, listed as UAC-Prop
Unic Diversified Holdings Plc, 1965, Finance, listed as UNIC
