Hans-Peter Koller

Chevron USA, Inc. provides petroleum refining services and operates gasoline stations. It produces and transports crude oil and natural gas. The company was founded in 1984 and is headquartered in San Ramon, CA.

Westlake Polymers LLC manufactures polyethylene chlorosulfonated rubber. The company is headquartered in Houston, TX.

E.ON Verwaltungs AG Nr. 1 operates as an electricity supplier throughout Bavaria. Its electricity distribution services encompass electricity generation, electricity distribution. The firm engages in cooperative business activities and ventures. It was founded in 1921 and is headquartered in Regensburg, Germany.

Bayernwerk AG operates as an energy service provider in Germany. Its services encompass electricity generation and distribution, biogas, water supply, district heating and street lighting. The firm offers their services to industrial, commercial and residential customers. The company was founded in 2001 and is headquartered in Regensburg, Germany.

CeramTec GmbH engages in the development, manufacture, and sale of parts, components and products made from ceramic materials. Its products include dental ceramics; dielectric and capacitors; bearings and sealing technology; circuit carrier; forming processes; heat-sinks; hermetically sealed components; joint replacement; and machining applications. The company was founded in 1996 and is headquartered in Plochingen, Germany.

MAXAMCorp Holding SL engages in the design, development, manufacture, and application of energetic materials. It offers blasting solutions for mining, quarries and public works, cartridges and gun powders for use in hunting and recreational shooting, products and systems for the defense and security sector, as well as production of key primary products in nitro chemical activity. The company was founded by Alfred Nobel in 1872 and is headquartered in Madrid, Spain.

MEDA Manufacturing GmbH manufactures and distributes pharmaceutical products. It offers product development, scale up, purchasing services, manufacturing, filling, packaging, final release and shipping. The company was founded on September 14, 1897 and is headquartered in Cologne, Germany.

Houston Grand Opera Association, Inc. provides entertainment services. It organizes operas for charitable, literary, and educational purposes. The company was founded by Walter Herbert, Louis G. Lobit, Edward Bing, and Charles Cockrell in 1955 and is headquartered in Houston, TX.

MEDA Germany Holding GmbH operates as a holding company with interest in pharmaceuticals manufacturing companies. It provides in-licensing services. The company is headquartered in Bad Homburg, Germany.

Business Committee for the Arts, Inc. operates as a non profit organization which encourages, inspires, and stimulates businesses to support the arts in the workplace, in education, and in the community. The company was founded by David Rockefeller in 1967 and is headquartered in Long Island City, NY.

Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. operates as an application-oriented research organization. The firm focuses on health, security, communication, as well as environment and energy. It develops technology, designs products, and improves methods and techniques. The company was founded on March 26, 1949 and is headquartered in Munich, Germany.

The Titan Group operates as a holding company with interest in manufacturing of wire line perforating guns and auxiliary hardware. It provides wire line perforating guns, logging instruments and auxiliary wire line hardware to the energy industry. The company was founded in 1974 and is headquartered in Pampa, TX.

Part of TTWF LP, Westlake Vinnolit Holdings GmbH is a company that produces PVC and caustic soda with its headquarters located in Ismaning, Germany and four production sites in Germany. The company has around 1,400 employees and offers various solutions for a sustainable future. The CEOs of the company are Karl-Martin Schellerer, Yuan Chao, Mark Steven Bender, Roger Kearns. Westlake Vinnolit purchases raw materials, goods, and services in large quantities and has an intelligent procurement management system that ensures cost-effectiveness, timely delivery, and fair partnerships with suppliers and service providers. The company offers diverse career opportunities and welcomes initiative applications.

Clariant International AG manufactures specialty chemicals. It is involved in the following business areas: Care Chemicals, Natural Resources, Catalysis, and Plastics and Coatings. The company was founded in 1995 and is headquartered in Muttenz, Switzerland.

Part of TTWF LP, Vinnolit Hillhouse Ltd. is a PVC partner worldwide. The company is based in Thornton-Cleveleys, UK. Vinnolit Hillhouse offers countless solutions for a sustainable future. Vinnolit Hillhouse purchases raw materials, goods, and services on a large scale, ensuring that all relevant factors are cost-effective, timely, and available in the right quantities. The British company's procurement team values quality, supply security, sustainability, and innovation, as well as fair partnerships with suppliers and service providers. Vinnolit Hillhouse publishes an annual environmental report that provides comprehensive information on the company's environmental goals and developments. The company was founded in 2007 and has approximately 1,400 employees across five locations.

Verband der Chemischen Industrie eV operates a chemical industry association. The non-profit company is based in Frankfurt am Main, Germany.

SYNLAB International GmbH offers medical laboratory services for practicing doctors, clinics and the pharmaceutical industry. It offers medical instruments, transfusion medicines, cytology, pathology, human genetics, and general hygiene services. The company was founded by Bartl Wimmer in 1998 and is headquartered in Munich, Germany.

E.A.T. Medien GmbH DVD copy service. It offers Large order and small series, DVD and Blu-ray disc authoring and DVD encoding, DVD master and DVD glassmastering, label printing for CD, DVD and Blu-ray disc. The company is headquartered in Essen, Germany.

OQ Chemicals GmbH manufactures Oxo intermediates and Oxo derivatives. It offers n-butyl acetate, i-butyl acetate, and n-propyl acetate ester products, aldehydes, and alcohols for use in downstream production processes such as surface coatings in building materials or automotive sectors, as well as for the production of paints, lubricants, ink products, fuel additives, and detergent products. The firm also provides carboxylic acids, polyols, higher aldehydes and specialty derivatives, amines, and specialty esters for synthetic lubricants, coatings, agrochemicals, and phthalate free plasticizers. The company was founded on March 1, 2007 and is headquartered in Marl, Germany.

ExxonMobil Oil Corp. operates gas stations and produces petroleum related products. The company was founded on August 24, 1959 and is headquartered in The Woodlands, TX.

Part of TTWF LP, Westlake Chemical Partners GP LLC operates, acquires and develops ethylene production facilities and related assets. The company is based in Houston, TX. Yuan Chao has been the CEO of the company since 2014.

Westlake Chemical OpCo LLC is a recently-formed partnership between Westlake Chemical Corporation and Westlake Chemical Partners which engages in manufacturing and production of ethylene. The company was headquartered in Dallas, Texas.

Part of Synlab AG, SYNLAB Holding Deutschland GmbH is a leading provider of medical diagnostics offering human and veterinary analytical services. The company is based in Augsburg, Germany. SYNLAB Labordienstleistungen provides the best service tools including Order Entry, SYNconnect, Einheiten-Umrechner, and WiBo-Rechner. The German company offers a personalized lab cost calculation based on exceptional indications. The Coropredict®-Test is a fully automated multiplex laboratory test for assessing cardiovascular risk. The company was founded in 2009. Christoph Mahnke has been the CEO of the company since 2016.

Thomas Henry GmbH & Co. KG is a German company that specializes in premium mixers for urban bar culture. The private company is based in Berlin, Germany. The company's products range from tonics to ginger mixers and bar lemonades. The CEOs are Wilhelm Plumpe, Sigrid Bachert. The company was founded in 1773.