Hewlett-Packard Co has established a Budapest-based joint venture for sales and support with Controll, a private Hungarian firm that has been an one of its authorised dealers for personal computers and peripherals since 1989: employees from Controll and Hewlett’s sales office in Budapest will move to the new organisation; the Palo Alto company also announced it has established a sales and support subsidiary in Czechoslovakia, with offices in Prague and Bratislava; its initial staff of 50 comprises representatives from its local sales office and technicians from Czechoslovakian firms that have provided service and support for its products since the company began doing business in the country way back in 1971.