Until his death in February 2011, Allan Kirby's son, Fred M. Kirby 2nd, was the chairman of the board and a sometime member of the Forbes 400 list of richest Americans.
Imperatore entered the Forbes 400 list of richest Americans in 1988, his only year on the list.
In 1989, the year before his death, he was ranked 261st on the Forbes 400 list of richest Americans.
At his peak in 1992, Blech's wealth was estimated at almost $300 million, briefly making him a member of the Forbes 400.
In 2002, Forbes 400 ranked Opperman as the 239th richest person in the United States; in 2004, his rank was 315th.
In March 2013 Forbes magazine had Warren Buffett ranked as number 2 in their Forbes 400 list.
Pritzker is a billionaire and has been listed on the Forbes 400.
As a reporter for Forbes, Noer worked on the Forbes 400 list, and in 1996 was the founding managing editor of Forbes.com.
The company went public in 1995, and in 1997 with an estimated worth of $600 million, Carell made the Forbes 400 list.
In 2002 Maughan was listed in the Forbes 400 as the 368th richest man in the world, with a net worth of $600 million.
Individuals listed by Forbes magazine as being among the Forbes 400 (the wealthiest 400 people in the U.S.) are excluded from sampling.
His sons are principals of Ziff Brothers Investments in Manhattan and Greenwich, Connecticut and were listed on the 2012 Forbes 400 list of the richest Americans with an aggregate net worth of approximately $12.6 billion.
Dunavant Enterprises is on the Forbes 400 list of largest private companies and according to the Memphis Business Journal, it is the largest private company in Memphis.
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Marshall Naify and his brother Robert Naify were members of The Forbes 400 beginning in 1987 with an estimated combined net worth of $4.3 billion.