Landmark’s rich history of innovation began more than 30 years ago when the company’s founders changed exploration and production with the first interactive 3D seismic interpretation workstation. Landmark has continued to envision, invest in, evolve and advance our technologies. Milestone after milestone, the industry has hailed Landmark for its scientific leadership.​

Exogen, Inc. designs, develops, manufactures and markets medical devices for treatment of musculoskeletal injury and disease. The company's products include sonic acclerated fracture healing system and mechanical stress devices. The products are sold in the United States, Europe and Japan.

Superior Graphite Co. provides graphite and carbon product solutions. It offers graphite electrodes, graphite and carbon powders, lubricants, silicon carbide and ceramic armor tile, and specialty carbon and graphite shapes. The company was founded in 1917 and is headquartered in Chicago, IL.

Arnco Technology alloys are designed to be consistent, durable, non-cracking alloys that cover the spectrum of wear protection needs by end-users. They provide wear-resistant, casing-friendly hardbanding alloys. They protect their drill pipe, casing, and tubing.

Safran Helicopter Engines, previously known as Turbomeca, is a French manufacturer of low- and medium-power gas turbine turboshaft engines for helicopters. The company also produces gas turbine engines for aircraft and missiles, as well as turbines for land, industrial and marine applications. SNECMA Group acquired the company in September 2001. Safran Helicopter Engines has 6,300 employees worldwide, with 5000 based in France. In 2015, they produced and delivered 718 new engines, and repaired around 1700 engines.

Hansung Industrial Co., Ltd. is a South Korean private company that manufactures automotive body parts.

Vallourec Oil & Gas France SASU engages in the manufacture of steel tubes and pipes. The company was founded on February 25,1992 and is headquartered in Aulnoye-Aymeries, France.

Tesco plc (/ˈtɛs.koʊ/) trading as Tesco, is a British multinational groceries and general merchandise retailer with headquarters in Welwyn Garden City, Hertfordshire, England, United Kingdom. It is the third-largest retailer in the world measured by gross revenues and ninth-largest retailer in the world measured by revenues. It has shops in seven countries across Asia and Europe, and is the market leader of groceries in the UK (where it has a market share of around 28.4%), Ireland, Hungary and Thailand.

Liaohe Petroleum Exploration Bureau Co., Ltd. is a Chinese company located in Panjin and ultimately controlled by the Government of China. The firm engages in the engineering construction, technical service, goods supply, gas injection and production. It was founded in 1984. Zhong Xing Li is currently the CEO of the company.

Berkenhoff GmbH manufactures spark erosion wires, brazing and welding wires, and electronic wires. The firm's products include coated EDM wires, brass wires, micro-erosion wires, and copper wires. The company was founded in 1889 and is headquartered in Heuchelheim, Germany.

KJR Tech Co. Ltd. is a South Korean private company. The firm manufactures and wholesales automobile parts.

Arnco Welding Alloys Ltd. is a private company headquartered in Houston, TX. The firm engages in industrial supplies.

Babcock Hitachi KK develops boilers and energy related technology. It offers energy systems including steam generators for thermal power generation, and environmental-related and nuclear energy-related equipment. The company also offers boiler related equipment, heat recovery steam generator and environmental control systems, nuclear power equipment, plant diagnosis inspection systems, and energy solutions. Babcock Hitachi was founded in 1908 and is headquartered in Tokyo, Japan.

Part of Dynavolt Renewable Energy Technology (Henan) Co., Ltd., Jiangsu Fgy Energy Storage Research Institute Co. Ltd. is a company headquartered in Zhenjiang, China, that develops storage battery material. On April 28, 2015 Dynavolt Renewable Energy Technology (Henan) Co., Ltd. acquired Jiangsu Fgy Energy Storage Research Institute Co. Ltd. for $4.50 million.

Nabors Drilling Technologies USA, Inc., a subsidiary of Nabors Industries Ltd., is a company headquartered in Dallas, TX, that provides oil and gas drilling services.

Anhui Haoyuan Chemical Industry Group Co., Ltd. is a private company headquartered in Fuyang, China. The firm manufactures and sells ammonia, urea and plastic bags.

Shanghai Liancheng Group Co. Ltd. is a Chinese private company located in Shanghai with a presence in China that engages in research and production of pump, valve and fluid transportation system.