Mallam Sambo

Massachusetts Society of Certified Public Accountants, Inc. provide services in public accounting, industry and business, government and education. The firm offers advocacy, continuing professional education, peer review, membership, communications and academic and career development department. The company was founded in 1900 and is headquartered in Boston, MA.

National Association of Black Accountants, Inc. operates as an association for black accountants. It provides opportunities for members to fulfill civic responsibilities. The company was founded by Ronald Benjamin, Earl Biggett, Donald Bristow, Bertram Gibson, Kenneth Drummond, Frank Ross, George Wallace, Michael Winston and Richard McNamee in December 1969 and is headquartered in Greenbelt, MD.

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.