PennWell Corporation is a privately-held events and business-to-business media and marketing services company. Founded in 1910, PennWell Corporation is a privately held and highly diversified business-to-business media and information company that provides quality content and integrated marketing solutions for the following industries: Oil and gas, electric power generation and delivery, hydropower, renewable energy, solar/photovoltaic, water and wastewater treatment, waste management, electronics, semiconductor manufacturing, optoelectronics, fiber-optics, aerospace and avionics, LEDs and lighting, fire, and dental. PennWell publishes over 130 print and online magazines and newsletters, conducts 60 conferences and exhibitions on six continents, and has an extensive offering of books, maps, websites, research and database services. In addition to PennWell's headquarters in Tulsa, Oklahoma, the Company has major offices in Nashua, New Hampshire; London, England; Houston, Texas; Mountain View, California; Fairlawn, New Jersey; Moscow, Russia; and Hong Kong, China.
Imago Techmedia Ltd. organizes events. The company’s events showcase the emerging technologies, as well as bring together expert knowledge, technology specialists, and business leaders. It also creates conferences and online forums that showcase new market solutions that generate business benefits. The company was founded in 2003 and is based in Kingston upon Thames, United Kingdom. As of September 1, 2015, Imago Techmedia Ltd. operates as a subsidiary of Clarion Events Limited.