Mark Johnson

Goldstein Group Communications, Inc. provides marketing and communications services. Its services include advertising, public relations, direct marketing, web site development, Internet marketing, and product introduction campaigns. The firm's customers include businesses in the chemical, computer, electronics, optics, software, and financial fields. The company was founded by Joel Goldstein in 1992 and is headquartered in Solon, OH.

The American Advertising Federation operates an online advertising platform. The non-profit company is based in the United States and has subsidiaries across the country. Steve Pacheco has been the CEO of the American company since 2019.

The American Marketing Association operates professional associations for marketers. The company offers services to marketing professionals including best practices and research studies, job resources, publications and directories. Its publications include flagship semi-monthly magazine Marketing News, as well as journal of marketing, journal of public policy and marketing and a variety of newsletters. The company was founded in 1931 and is headquartered in Chicago, IL.

IOtech, Inc. is based in Cleveland, OH. Part of Emerson Electric Co., IOtech, Inc. is a company that specializes in a 20-channel iotech sound and vibration USB device. The company was founded by Tom DeSantis. IOtech was acquired by National Instruments Corp., part of Emerson Electric Co. from October 12, 2023 on October 18, 2005.