Dice Holdings, Inc. provides specialized career Websites and career fairs for professional communities. Its career Websites serve as online marketplaces where employers and recruiters find and recruit prospective employees, and where professionals find relevant job opportunities and information. The company's Tech and Clearance segment operates Dice.com, a recruiting and career development Website for technology and engineering professionals in the United States; and ClearanceJobs.com, an Internet-based career network to matching security-cleared professionals with hiring companies searching for employees. This segment also includes Slashdot Media, which comprises Websites, such as Slashdot, a user-generated news, analysis, peer question, and professional insight community; SourceForge, an online destination for technology professionals and enthusiasts to develop, download, review, and publish Open Source software; and Freecode that indexes downloadable Linux, Unix, and cross-platform software for a worldwide technology audience. Its Finance segment operates eFinancialCareers.com, a recruiting and career development Website for financial market professionals and financial services industry worldwide. The company's Energy segment operates Rigzone.com, a career Website that delivers online content, data, advertising, and career services for the oil and gas industry. Its Other segment includes Targeted Job Fairs, which produce and host career fairs and open houses focused primarily on technology, energy, and security-cleared candidates; Health Callings, a recruiting and career development Website for healthcare professionals; and WorkDigital, a technology company focused on the recruitment industry. The company serves staffing companies, recruiting agencies, consulting firms, and marketing departments of companies, as well as small, mid-sized, and large direct employers. Dice Holdings, Inc. was founded in 1991 and is headquartered in New York, New York.