Henricus Theodorus Johan Engelbert Gieskes

Houghton Mifflin Harcourt Publishing Co. is a learning company, which engages in instructional curriculum, assessment, technology, and professional learning. The company was founded in 1832 by William Ticknor and James Fields and is headquartered in Boston, MA.

H Three, Inc. provides executive search services. The company holds the patent for facilitating and tracking personal referrals made via electronic networks. The company was founded in 2004 and is headquartered in Cambridge, MA.

Intelligize, Inc. operates as a software tool for law firms, accounting firms, and corporations. It offers company filings, law and SEC interpretations, transactions, corporate and firm materials, and pre-EDGAR filings. The firm serves law firms, accounting and consulting firms, corporations, academic institutions, government agencies, and finance professionals. The company was founded by Gurinder Sangha in 2008 and is headquartered in New York, NY.

Cision AB engages in the provision of media and monitoring services. It is a provider of cloud-based PR software, services, and tools for the marketing and public relations industry. Its products covers media database and software solutions among businesses and corporates. The company operates through the following segments: Plan, Connect, Monitor, and Analyze services. Cision AB was founded in 1892 and is headquartered in Stockholm, Sweden.

Monster, Inc. operates internet job search engine. Its services include job ads, career information tips on resume writing, interviewing, and salary negotiation. The company was founded by Jeffrey C. Taylor in 1994 and is headquartered in Maynard, MA.

RetirementJobs.com, Inc. provides human resource services. The private company is based in Waltham, MA.

Axio Data Group Ltd. operates as a portfolio of market information businesses. It provides data and analytical tools for businesses in healthcare, aviation, forest products, intellectual property licensing, containerized trade and break-bulk services markets. The company was founded on December 20, 2012 and is headquartered in London, the United Kingdom.