• USHIO INC.
• NIHON DENSHI GIJUTSU CO., LTD.
• Christie Digital Systems USA,Inc. Japan Branch
• XEBEX INC.

North America

• USHIO AMERICA, INC.
• NECSEL INTELLECTUAL PROPERTY, INC.
• CHRISTIE DIGITAL SYSTEMS USA, INC.
• CHRISTIE DIGITAL SYSTEMS CANADA, INC.
• CHRISTIE MEDICAL HOLDINGS, INC.
• VISTA CONTROL SYSTEMS, Corp.

Europe

• USHIO EUROPE B.V.
• USHIO FRANCE S.A.R.L.
• USHIO DEUTSCHLAND GmbH
• USHIO U.K., LTD.
• BLV LICHT-UND VAKUUMTECHNIK GmbH　
• XTREME technologies GmbH
• NATRIUM S.A.

Asia

• USHIO TAIWAN, INC.
• USHIO KOREA, INC.
• USHIO HONG KONG LTD.
• USHIO SHANGHAI, INC.
• USHIO SHENZHEN, INC.
• USHIO PHILIPPINES, INC.

• Japan Electric Lamp Manufacturers Association