Charles DuPont

QuadTech, Inc. manufactures test control products. The company is headquartered in Marlborough, MA.

The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY.

Association for Corporate Growth, Inc. is a global organization founded in 1954 by Kenneth S. Berryman and David H. Brenner. The non-profit company is based in Chicago, IL and has subsidiaries in the United Kingdom, Netherlands, Canada, and the United States. The company's mission is to drive middle-market growth and it serves 90,000 investors, executives, lenders, and advisers to growing middle-market companies. The company's core focus is on middle-market M&A, with more than 25 years of sell-side and buy-side advisory experience, closing more than 200 transactions with a combined value of more than $1 billion. The company also publishes Middle Market Growth, the official publication of the Association for Corporate Growth, which includes a print magazine, website, weekly e-newsletter, and daily newsfeed. The CEO of the company since 2019 is Brent A. Baxter.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.