Heinz Summer

Parkresort Rheinfelden Holding AG operates a health resort in Switzerland. Its facilities include Park-Hotel am Rhein, a hotel that provides rooms, spa treatments, restaurants, banquets, seminar facilities, and residence- apartments, sole uno wellness world, which offer water parks, saunas, and massage lounges. The firm also provides rehabilitation clinics, medical specialists, and therapies for the prevention, diagnosis, and treatment of the musculoskeletal system. The company was founded on January 13, 1970 and is headquartered in Rheinfelden, Switzerland.

Invision AG (formerly Invision Private Equity) is an independent Swiss private equity firm which was founded in 1997 as the corporate venture capital division of Metro Holding. In 2000, Invision completed a spin-off from Metro and merged with Aureus Private Equity. Headquartered in Zug, the firm manages the Invision private equity funds, backed by pension funds, family offices, fund of funds, other financial institutions and private individuals. Invision's network of advisers provides industry expertise, resources, specializations and access to renowned industry experts that support the firm in the selection and value creation process.

LogMeIn Germany GmbH provides software solutions for online meetings, web conferences, webcasting, as well as information technology and helpdesk support. Its products include GoToMeeting, GoToAssist, GoToWebinar, GoToTraining, and GoToAssist Corporate. The company was founded on June 22, 2001 and is headquartered in Karlsruhe, Germany.

OX Holding AG operates as a holding company with interests in providing outsourcing staffing solutions. The company was founded on February 2, 1999 and is headquartered in Zurich, Switzerland.

OFZL AG is an independent investment management firm headquartered in Zollikon, Switzerland. The firm was founded in 2003 as Swiss Asset Partners Vermögensverwaltungs AG and was renamed at the end of October 2023. OFZL provides asset management services for private individuals, pension funds, charitable foundations, and family foundations.

Heart Force Medical, Inc. manufactures medical devices. It develops SPhENo – Cardiograph, a non-invasive device that measures systolic timing intervals. The company was founded by William David McCartney and Murray John Oliver and is headquartered in Vancouver, Canada.