Professional Diversity Network, Inc. operates online professional networking communities with career resources in the United States. The company operates through three segments: Professional Diversity Network, National Association of Professional Women, and Noble Voice Operations. It serves various cultural groups, such as women; Hispanic-Americans; African-Americans; Asian-Americans; disabled; military professionals; lesbians, gays, bisexuals, and transgenders; and students and graduates. The company offers single and multiple job postings, recruitment media, talent recruitment communities, corporate memberships, and hiring campaign marketing and advertising, as well as e-newsletter marketing, research, and outreach services. It also provides consumer advertising and consumer marketing solutions through advertising and job postings on its Websites. The company serves federal, state, and local governments, as well as companies and contractors that serve governmental entities; small and medium sized businesses; and large enterprises. As of December 31, 2017, it had approximately 10,266,000 registered users. The company was founded in 2003 and is headquartered in Chicago, Illinois. Professional Diversity Network, Inc. is a subsidiary of Cosmic Forward Limited.