Ahmed Aliyu

Nigerian National Petroleum Corp. produces crude petroleum and natural gas. It also engages in exploration activities, refining, and products transportation as well as marketing. The company was founded on April 1, 1977 and is headquartered in Abuja, Nigeria.

Cement Co. of Northern Nigeria Plc engages in the production and marketing of cement under the brand name Sokoto Cement. The company was founded by Ahmadu Bello on August 15, 1962 and is headquartered in Sokoto, Nigeria.

International Bar Association operates as a non profit organization of legal practitioners, bar associations and law societies. It operates various divisions that include Legal Practice and Public and Professional Interest. The company was founded in 1947 and is headquartered in London, the United Kingdom.

The Nigerian Bar Association operates professional associations.

BUA Group engages in the production of food and infrastructure. It specializes in the importation and marketing of iron & steel, agricultural and industrial chemicals. The company was founded by Abdul Samad Rabiu in 1988 and is headquartered in Lagos, Nigeria.