MC sells cardiovascular products (arrhythmia, intervention, cardiac surgery products, etc.) and other medical devices in the Kanto region. Established in 1980, MC is the oldest company in the USCI Group. Since its inception, MC has worked alongside frontline clinicians as a medical system consultant, which is also the origin of its name, providing them with information on how to use medical devices properly and meeting their needs.

MEDCARE sells mainly devices used to treat arrhythmias such as cardiac pacemakers and implantable cardioverter defibrillators (ICDs) in Kinki region. Due to the highly specialized nature of the medical devices they handle, MEDCARE sales representatives hold the qualification of Cardiac Device Representative (CDR) for Pacemaker/ ICD accredited by the Japanese Heart Rhythm Society, and they provide frontline health care professionals with information on how to use the devices properly.

ACT sells mainly products used to treat arrhythmias such as cardiac pacemakers, implantable cardioverter defibrillators (ICDs) and AEDs in Aichi Prefecture and the surrounding Tokai region. ACT sales representatives hold the qualification of Cardiac Device Representative (CDR) for Pacemaker/ ICD accredited by the Japanese Heart Rhythm Society, and through their sales activities, they aim to increase product knowledge and skills, and meet the needs of medical institutions with speed and accuracy.

HIMEC is a trading company that specializes in selling medical devices to medical institutions in Toyama Prefecture. HIMEC trains its employees well and works to develop employees with high levels of specialist knowledge with the aim of satisfying its clients and contributing to the development of society. HIMEC aspires to be a company that can be trusted to provide a sincere service and safe products.

USCI Japan is the only company in the group with a medical devices marketing license, and it is involved in manufacturing and selling medical devices in Japan and overseas. The company was originally established as a joint venture with a foreign manufacturer, and the trade name "USCI" was registered at the time of its establishment. USCI Japan aims to contribute to the betterment of people’s health by continuing to identify advanced medical devices and bring them to market.