Based in Port Orl, Florida, Arnold Buckman owns Buckman Farms in Princeton, Illinois. He manages several thousand acres of farmland throughout the Midwest and the agricultural team that works the farm. Arnold Buckman is also the president of Buckman Iron and Metal Co., Inc., in LaSalle, Illinois. His work in this position entails overseeing three recycling locations, including facilities in Lasalle, Mendota, and Ottawa, Illinois.

Additionally, Arnold Buckman manages several other businesses throughout Illinois. He has owned Buckman Aviation, LLC, Spring Valley, Illinois since 1994, a charter company with multiple planes. He expanded his professional activities in 2005 by becoming the chief executive officer and owner of Buckman Trading, a Florida-based private equity wealth fund. His responsibilities in this role involve managing and trading on behalf of the fund.

Arnold Buckman is also the owner of Buckman Investments, LLC, in Wilmington, Delaware. As a member of the company, he owns and manages several real estate properties throughout Northern California, North Central Illinois, and central Florida.