John George Coumantaros

Nigerian Bag Manufacturing Co. Plc manufactures and markets laminated woven polypropylene sacks and flexible packaging materials. The company provides range of packaging materials for the industrial sectors, cement, flour, salt, detergent, chemical, fertilizer and animal feeds. Its products include cement sacks, jumbo sack, fertilizer bag, sarkin sack, kakaki bag, maigidan sack, bagco6 sack, leno bag, bagco empty sack, super sack, trabag, heritage africana, l`original bag, supper shopper bag. Nigerian Bag Manufacturing was founded on February 4, 1964 and is headquartered in Lagos, Nigeria.

United Cement Co. of Nigeria Ltd. manufactures and distributes cement, concrete and other building materials. The firm offers infrastructure, building, technical support, after sales services and housing projects. The company was founded in 2002 and is headquartered in Calabar, Nigeria.

Oxbow Carbon LLC distributes petroleum coke, cement and provides steel equipment. It upgrades, handles, transports and sells petroleum coke and sulphur into markets where they can be used to produce aluminum, steel, electric power, fertilizer, cement and other critical products for the world economy. The firm serves the cement, utilities, steel, energy, commodities and home heating industries. The company was founded in 1983 by William Ingraham Koch and is headquartered in West Palm Beach, FL.

Elbisco Holdings SA trades and manufactures baked products including bread, cakes, crackers, biscuits, rusks, and pastries. Its brands include Elite, Kris Kris, Allatini, Vossinakis, and Forma. The company was founded in 1987 and is headquartered in Athens, Greece.

Oxbow Corp. is a holding company which engages in the production and supply of coal and coal derivatives for the energy, agricultural, and industrial sectors. It offers chartering and logistics, rail, barge, trucking, calcining, bagging, screening and distribution, briquetting, and sulphur forming. Its products include sulphur, energy, and industrial materials. The company was founded by William Ingraham Koch in 1983 and is headquartered in West Palm Beach, FL.

Flour Mills of Nigeria Plc is a Nigerian company that operates as a wheat and flour milling company. The private company is based in Apapa, Nigeria. The company was founded in 1960 by George Stravos Coumantaros. The CEO is Omoboyede Olusanya.