Markus Hamm

OSG Beteiligungs GmbH is an investment holding company based in Germany. The private company functions as a holding company for investments.

Part of Rhön-Klinikum AG, MVZ Augenärztliches Diagnostik- und Therapiecentrum Siegburg is a healthcare company based in Siegburg, Germany. The CEOs of the German company are Ulrich Kellner, Sibylle Stauch-Eckmann. The company engages in self-employed health care activities.

OSG Investment GmbH provides investment services. The private company is based in Fuerth, Germany. The CEOs of the German company are Claus Niedworok, Sibylle Stauch-Eckmann.

Augenzentrum Würzburg MVZ GmbH engages in the operation of eye centers. It specializes in the areas of minimally invasive vitreous and retinal, refractive lens, as well as laser surgery; retina diagnostics; and orthoptics. The company was founded in 1985 and is headquartered in Wuerzburg, Germany.

OSG Krankenhaus Träger GmbH engages in the operation of eye clinics. It offers services such as eye examination, opthalmic surgery, and laser treatment. The company is headquartered in Fuerth, Germany.

OSG MVZ Betriebs GmbH engages in the production and distribution of eyewear. It offers diagnostic tests, which include endothelial biomicroscopy, ultrasound, laser retinometer, corneal thickness measurement, lens calculation, vascular imaging, and intraocular pressure. The firm also provides ophthalmic treatments and medical care services. The company was founded by Manuel Ober and Armin Scharrer in 1982 and is headquartered in Fuerth, Germany.

Veonet Lense GmbH operates as an investment holding German company. The company is based in Munich, Germany. The CEOs of the private company are Judith Barth and Markus Hamm.

Seniorenpflegeheim GmbH Bad Neustadt a.d. Saale provides residential care services for elders. The private company is based in Bad Neustadt an der Saale, Germany. The CEOs of the German company are Christian Gharieb, Martin Strobl.

Merz GmbH & Co. KGaA was engaged in the manufacture and distribution of pharmaceutical, dental, and consumer care products. It also offered promotional items. The company was founded on May 9, 1908 and was headquartered in Frankfurt, Germany.

Wyeth LLC develops, manufactures, and distributes pharmaceuticals and biological substances. The company was founded in 1926 and is headquartered in Madison, NJ.

Merz Pharma GmbH & Co. KGaA is an innovative and international healthcare company with its own research and development department. It focuses on drugs for the treatment of illness in the fields of neurology and psychiatry. The company is bundling the activities of its subsidiaries Merz Pharmaceuticals, Merz Consumer Care, Merz Dental, and Merz Hygiene, with products ranging from prescription drugs and OTC products for health and wellness, materials for dentists and dental technicians to hygienic products for medical disinfection and cleaning. The units of Merz Group Services, the fith Merz subsidiary, include Human Resources, Supply Chain/Purchasing, Information Technology (IT), Technical Operations and Finances/Controlling.

SENATOR GmbH designs, develops, manufactures, and supplies writing instruments. It offers ball pens, writing cases and accessories, drink ware, and other desk supplies. The firm also provides customized and personalized desk supplies, as well as promotional mugs and cups. The company was founded in 1920 and is headquartered in Groß-Bieberau, Germany.

Wyeth Pharmaceuticals LLC develops pharmaceutical, biotechnology and vaccine technologies. The company was registered on May 5, 2003 and is headquartered in Collegeville, PA.

CologneInvest GmbH provides venture capital and coaching services. It offers private equity, business angel/coaching, networking contacts, and shareholder capital. The company is headquartered in Cologne, Germany.

Ortheum GmbH is an investment holding German company. The company is based in Frankfurt, Germany. The CEOs are Claus Niedworok and Sibylle Stauch-Eckmann. The company was founded in 2020.