| A | | |
| Afprint Nigeria Plc | | Kabelmetal LimitedAlraine Nigeria Limited |
| Afribank International Limited | | Alumaco Nigeria Limited |
| Afribank Nigeria Plc | | Amicable Assurance Company Plc |
| African Paints Limited | | Arthur Andersen & Co. |
| African Petroleum Plc | | Ark Insurance Brokers |
| Afromedia Group | | E. O. Ashamu & Sons Holdings |
| AGIP Nigeria Plc | | Ashland Oil Nigeria Company |
| AIICO Insurance Plc | | ASRA Sea foods Limited |
| AIM Consultants | | Associated Electronics Product Plc |
| Akin- George & Company | | AT&T Information Solutions Plc |
| | | Azmek (Nig.) Limited |
| B | | |
| Berec Nigeria Plc | | Bhojsons Group |
| Berger Paints Nigeria Plc | | Bisrod Furniture Limited |
| Best Land & Sea Services Limited | | Boulos Enterprises Limited |
| Better Living Nigeria Limited | | Brian Munro Nigeria Plc |
| BEWAC Nigeria Plc | | Bright star Industries Limited |
| BFN Limited | | R.T. Briscoe Nigeria Plc |
| | | |
| C | | |
| Cadbury Nigeria PlcCAPL Nigeria Plc | | Chevron Nigeria Limited |
| Carnaud Metalbox Nigeria Plc | | Christlieb Plc |
| Carnco Food Nigeria Limited | | Clemessey Nigeria Limited |
| Carrara Marble Company Limited | | CMB Toyo Glass Nigeria Plc |
| Cakasa (Nig.) Co. Limited | | Comet Shipping Agencies Limited |
| C & C Construction Limited | | Consolidated Breweries Plc |
| CCC Nigeria Limited | | Continental Merchant Bank Plc |
| Centre-Point Merchant Bank Limited | | Coopers & Lybrand Nigeria |
| CFAO Nigeria Plc | | Costain (W. A.) Plc |
| Chams Nigeria Limited | | Crittal- Hope Nigeria Plc |
| Chartered Bank Limited | | Crusader Insurance Company Plc |
| Chellarams Limited | | Crystal Bank of Africa Limited |
| | | |
| D | | |
| D. O. Dafinone & Company | | Dubril Oil Company Limited |
| Deloitte, Adetona, Isichei & Company | | DUMEZ Nigeria |
| Diamond Bank Limited | | Dunlop Nigeria Plc |
| Domino Stores Limited | | DVC Limited |
| DPMS Limited | | |
| | | |
| E | | |
| Edilcentre Nigeria Limited | | Equity and Trust Finance Company Limited |
| Elf Oil Nigeria Limited | | Evans Medical Plc |
| Electro Technologies Limited (SIEMENS) | | |
| | | |
| F | | |
| Fareast Merchantile Company Limited | | First City Merchant Bank Limited |
| Femi Johnson & Company | | Flour Mills of Nigeria Plc |
| Feredo Limited | | Yinka Folawiyo Group |
| F.I.M Consultants | | Formost Diaries Plc |
| First Bank of Nigeria Plc | | FSB International Bank Plc |
| | | |
| G | | |
| General Metal Products Limited | | Guaranty Trust Bank |
| Glanvill Enthoven and Company | | Guinea Insurance Company Plc |
| Glaxo Nigeria Plc | | Guinness Nigeria Plc. |
| Glaxo Welcome Nigeria Limited | | |
| GPT (WA) Limited | | |
| H- J | | |
| Hardware Networks limited | | Henkel Chemicals Limited |
| John Holt Plc | | Hogg Robinson Nigeria limited |
| | | Hygeia Nigeria Limited |
| I | | |
| The Ibru Organization | | Inlaks Group |
| Ideal Flour Mills Limited | | Intercontinental Fishing Limited |
| Ikeja Hotel Plc | | Investment Banking & Trust Co. Limited |
| Industrial Gasses Plc | | I.P.T.C Limited |
| | | Ismail & Partners |
| K | | |
| KAYCEE Nigeria Limited | | King Manufacturing Company Limited |
| Khalil & Dibbo Transport Limited | | KPMG Peat Marwick, Ani, Ogunde and Co |
| | | |
| L | | |
| Leadway Assurance Company Limited | | A. G. Leventis Group |
| Lennards Limited | | Lever Brothers Nigeria Plc |
| | | The Lion of Africa Insurance Company Plc |
| M | | |
| Mahogany Building Society Limited | | Michelin Nigeria Group |
| Management Information Systems Co. Plc | | MIS Company Limited |
| Mandilas Nigeria Group | | Mobil Oil Nigeria Plc |
| Matef limited | | Mobil Producing Nigeria Unlimited |
| May & Baker Plc/ Rhone- Poulenc Rorer | | Morison Industries Plc |
| Merchant Banking Corporation Limited | | Morpol Industrial Corporation |
| Metal Furniture Nigeria Limited | | |
| Metalum Limited | | |
| | | |
| N | | |
| NAL Merchant Bank Plc | | Nigeria AGIP Oil Company Limited |
| National Oil & Chemical Marketing Plc | | Nigerian Bag Manufacturing Co Limited |
| Nestle Foods Nigeria Plc | | Nigerian Breweries Limited |
| Nidogas Company limited | | Nigerian Carton & Packaging Co Limited |
| Nigalex Limited | | Nigerian Hoechst Plc |
| Nigeria- America Line | | Nigerian Industrial Development Bank |
| Nigeria Distillers Limited | | N.I.M.B. Ltd. |
| Nigeria International Bank Limited | | NITOL Textiles Manufacturing Company |
| | | |
| O | | |
| Ogilvy, Benson and Mather (Lagos) | | Onward Paper Mills Ltd |
| C. O. Okunowo & Company | | Z. O. Osasanya & Company |
| Oni, Lasebikan & Company | | |
| | | |
| P | | |
| Panalpina World Transport Limited | | Philips Oil Company Nigeria |
| Pan Ocean Oil Corporation Nigeria | | Phoenix Assurance Company Limited |
| Petrolog Limited | | Pinnacle Commercial Bank Limited |
| Peugeot Automobile Nigeria Limited | | Poly Products Limited |
| Pfizer Products Nigeria Plc | | President Clothing Company Limited |
| PGN Nigeria Limited | | Price Waterhouse & Company |
| Pharma-Deko Nigeria Plc | | Primlaks Financiers Consultants Limited |
| | | Prudent Merchant Bank Limited |
| | | P- Z Industries Plc |
| R | | |
| Rank Xerox Nigeria Limited | | Royal Exchange Assurance Company Plc |
| R. C. O. Okafor & Company | | R.E.A. Real Property Investments Limited |
| Roche Nigeria Limited | | Royal Marine Spares Ltd |
| | | |
| S | | |
| Sanusi Brothers Limited | | Smurfit Packaging Limited |
| Savannah Bank Nigeria Plc | | St. NicholasHospital |
| Scannnink Limited | | Societe Generale Bank Limited |
| Schlumberger Nigeria | | Sona Breweries Limited |
| SCOA Nigeria Plc | | Speco Mills Limited |
| SESWA limited | | Spectrum Books Limited |
| Setraco Nigeria limited | | Steel Works Limited |
| Seven- Up Bottling Company Nigeria Plc | | Henry Stephens Group |
| Shell Petroleum Development Company | | Sterling Products Nigeria Plc |
| Shote, Dawodu & Company | | Strabag Construction Nigeria Limited |
| SKG Pharma Limited | | Sumal Foods Limited |
| SmithKline Beecham Nigeria Plc | | Swiss Nigerian Chemical Company Limited |
| | | |
| T | | |
| Tate Industries Plc | | Thomas Wyatt Nigeria Plc |
| Telnet Nigeria Limited | | Total Nigeria Plc |
| Texaco Nigeria Plc | | Tower Aluminum Nigeria Plc |
| Texaco Overseas (Nigeria) Petroleum Co. | | TSG Nigeria Limited |
| | | |
| U | | |
| UAC of Nigeria Plc | | United Bank for Africa Plc |
| UB Limited | | United Nigeria Insurance Company Plc |
| Union Bank of Nigeria Plc | | United Parcel Services. |
| Union Dicon Salt Plc | | Universal Packaging Nigeria Limited |
| Union Securities Limited | | Universal Steels Limited |
| UTC Nigeria Plc | | Universal Trust Bank Limited |
| | | |
| V | | |
| Vigeo Limited | | Vitafoam Nigeria Plc |
| Vina International Limited | | Volkswagen of Nigeria Plc |
| | | Vono Products Plc |
| W | | |
| WAHUM Company Limited | | West African Batteries Limited |
| Warri Refining & Petrochemicals Company | | West African Portland Cement Plc |
| Welcome Nigeria Limited | | Westex Motors Limited |
| West Africa Milk Company plc | | Westminster Dredging Limited |
| | | WTN Plc |
