by 
Nestle Nigeria Plc, 1969, Consumer Goods, listed as Nestle in 1979
Niger Insurance Plc, 1962, Finance, listed as Nigerins
Nigeria Energy Sector Fund, 1998, Finance, listed as NESF in 1999
Nigerian-German Chemicals Plc, 1964, Healthcare, listed as Nig-German
Nigerian Aviation Handling Company Plc, 2005, listed as NAHCO in 2006
Nigerian Brew. Plc, 1946, Consumer Goods, listed as NB in 1973
Nigerian Enamelware Plc, 1960, Consumer Goods, listed as Enamelwa in 1979
Notore Chemicals Ind Plc, 2005, Industry, listed as Notore in 2018
NPF Microfinance Bank Plc, 1993, Finance, listed as NPFMCRFBK in 2010
OANDO Plc, 1969, Oil & Gas, listed as OANDO in 1992Okomu Oil Palm Plc, 1979, Agriculture, listed as Okomuoil in 1991
Omatek Ventures Plc, 1998, ICT, listed as Omatek in 2008
