Element Six produces and designs synthetic diamonds and supermaterials.

Zhengzhou Research Institute for Abrasives & Grinding Co. Ltd is a private company headquartered in Zhengzhou, China, that manufactures and exports abrasives and grinding wheels.

Baker Hughes, Inc. is a private company headquartered in Houston, TX. The firm manufactures oilfield equipment.

Manufactures and supplies synthetic diamond and materials

Funik Ultrahard Material Co., Ltd. engages in the research, development, production, and sale of super hard materials and super hard composite materials. It also offers super hard tools for metal and non-metal processing, super hard cutting and grinding tools, excavation drilling materials and equipment, import and export, and related technical consultation and services. The company was founded in 1988 and is headquartered in Zhengzhou, China.

Zhongnan Diamond Co., Ltd., a subsidiary of North Industries Group Red Arrow Co., Ltd., is a company headquartered in Nanyang, China. The firm manufactures and distributes industrial diamond. North Industries Group Red Arrow Co., Ltd. acquired Zhongnan Diamond Co., Ltd. from China North Industries Group Corp. Ltd. on August 05, 2013 for $699.36 million.

US Synthetic makes long-lasting diamond inserts for applications in down-hole drilling tools. US Synthetic presses its own polycrystalline diamond (PCD) and finishes each part to exact specifications to give customers confidence that their high-performance product will hold up under extreme conditions. US Synthetic is 30-year industry veteran and a leader in the development and production of polycrystalline diamond cutters (PDCs) for oil and gas exploration. US Synthetic prides itself on an uncompromising commitment to constant innovation, outstanding quality, and superior customer service, allowing their engineering teams to meet high performance standards and match the requirements of the world's most demanding oil exploration and development projects. Since 1978, US Synthetic has been working with customers to deliver superior drilling components for down hole, oil drill bits. US Synthetic is located in Orem, Utah and is part of the Dover Corporation.

Varel Europe SAS manufactures oil and gas drill bits. The company is headquartered in Ibos, France.

Part of Schlumberger NV, Schlumberger Technologies, Inc. is a company headquartered in Moorestown, NJ, that provides oilfield services such as distributing oil and gas information technologies and providing consulting services.

Zhengzhou Zhongnan Jiete Superhard Material Co., Ltd., established on 2000-04-17, The business scope includes superhard materials and products,Superhard materials and equipment,Manufacture of electromechanical equipment,Sales;Import and export,Technology Import and Export.

Varel International Ind LP, part of RA Holding Corp., is a company headquartered in the United States providing investment services.

SF Diamond specializes in the manufacture of polycrystalline diamonds and related products. Their products include PCD blanks for cutting tools, PCBN blanks for cutting tools, PDC cutters, CD die blanks, and PCD and PCBN inserts. Their products are used in oil and gas drilling, coal and other mining, machining, automobile, aerospace, national defense, and other industries.

Kennametal delivers productivity to customers seeking peak performance in demanding environments by providing innovative custom and standard wear-resistant solutions. This proven productivity is enabled through our advanced materials sciences and application knowledge. Our commitment to a sustainable environment provides additional value to our customers. Kennametal’s portfolio of well-respected brand names and broad global presence enable us to help customers of all sizes in virtually every geography drive success at every stage of their value chain. Strategically aligned across our two core businesses - Industrial and Infrastructure - our products and services touch nearly every manufacturing process. People around the globe can see and touch these results throughout many aspects of their day, from the light switch they turn on to the car they drive.

Diamond Innovations, Inc. manufactures and supplies diamond, cubic boron nitride and polycrystalline products. The company is headquartered in Worthington, OH.