Craig S. Kiefer

Maverick Tube Corp. manufactures steel tubular products for gas and oil drilling operations. It offer line pipe for oil and gas surface handling and transportation. The firm sell both structural tubing and standard pipe for transportation, agricultural and construction applications. The company was founded by Don Beattie in 1978 and is located in Chesterfield, MO.

Oppenheimer & Co., Inc. provides security brokerage services. It also offers investment banking and advice to high net worth investors, individuals, businesses and institutions. The company is headquartered in New York, NY.

Innicor Subsurface Technologies, Inc. designs and manufactures oil and gas field tools and equipments. It offers perforating guns; flow control equipment; wireline work string equipment; and completion equipment, including service tools, retrievable packers, seal bore packers, open hole packers, tubing anchors, bridge plugs and retainers, coiled tubing equipment, and linear equipment. The company was founded in 1999 and is headquartered in Calgary, Canada.

Edgen Murray Ltd. distributes specialty steel products for the energy infrastructure markets. It offers engineered prime carbon and alloy steel pipe, pipe components, valves and structural sections, and plates. The company is headquartered in Hamilton, Bermuda.

Edgen Group, Inc. distributes specialty steel products to the global energy sector. Its products include engineered steel pipe, valves, quenched and tempered and heavy plate, and related components. It primarily serves customers, which operates in the upstream such as conventional and unconventional exploration, drilling and production of oil & natural gas in both onshore and offshore environments; midstream such as gathering, processing, fractionation, transportation and storage of oil and natural gas, and downstream end-markets for oil and natural gas such as refining and petrochemical applications. The company also serves power generation, civil construction and mining applications, which have a similar need for its technical expertise in specialized steel and specialty products. It operates through two operating segments: Energy and Infrastructure Products, and Oil Country Tubular Goods. The Energy and Infrastructure Products segment distributes engineered pipe, plate, valves and related components to upstream, midstream, downstream and select power generation, civil construction and mining customers. The Oil Country Tubular Goods segment provides premium oil country tubular goods to the upstream conventional and unconventional onshore drilling markets in the United States. The company was founded on December 15, 2011 and is headquartered in Baton Rouge, LA.

Halliburton Energy Services, Inc. provides oilfield services. It offers technical products and services for petroleum, natural gas exploration and production. The company is headquartered in Houston, TX.

Part of Halliburton Co., Boots & Coots International Well Control, Inc. provides well control and firefighting services. The company is based in Houston, TX.

Edgen Murray Corp. manufactures and distributes steel products. It offers global vendor network, pipe and tube, piling solutions, valves, fabricated components, project management, cutting and coating and finishing services. The company was founded in 1983 and is headquartered in Baton Rouge, LA.

Leucadia Asset Management LLC (LAM) is a SEC-registered investment advisor headquartered in New York City. The firm was founded in 2002 as Jefferies Private Client Advisers LLC. They changed their name to Jefferies Investment Advisers LLC in 2006 and to Leucadia Asset Management LLC in 2021. The firm is a wholly owned subsidiary of Jefferies Financial Group, Inc. (NYSE: JEF). LAM provides advisory services to high net-worth individuals, trusts, estates, foundations, charitable organizations, corporations and other business entities.

Part of Berkshire Hathaway, Inc., Pipe & Tube, Inc. is a distributor of steel pipes and tubing, valves, fittings, structural steel shapes, and bar products. The company is based in Salt Lake City, UT. Pipe & Tube was acquired by Marmon/Keystone LLC on December 04, 1997.

Jefferies Capital Partners (Jefferies Capita Partners) is a private equity subsidiary of Jefferies LLC founded in 1994 by Brian P. Friedman. The firm is headquartered in New York.

The Hillman Group, Inc. provides hardware-related products and merchandising services to retail markets. Its products include fasteners, key duplication systems, engraved tags, builder's hardware, roller chain, and magnets and magnet tools. The firm supports its product sales with value added services including design and installation of merchandising systems and maintenance of appropriate in-store inventory levels. The company was founded by Max W. Hillman Sr. in 1964 and is headquartered in Cincinnati, OH.

Lone Star Steel Co. manufactures steel tubular pipe and automobile components. The company provides alloy and carbon welded oil tubular goods, includes casing and production tubing which are used in the completion of production from oil and natural gas wells. The company is headquartered in Dallas, TX

Bourland & Leverich Supply Co. LLC was distributes steel tubular products. The company was founded by Roy Bourland and Jim Leverich in 1935 and headquartered in Pampa, TX.

Sprint Industrial Holdings LLC engages in the provision of industrial equipment and services to the upstream, downstream, and midstream sectors of the energy industry. It operates through its four subsidiaries: Tidal Tank, Sprint Safety, Bealine Service Co., and Southern Tank Leasing. The company was founded by Jacob L. Davis in 2001 and is headquartered in Houston, TX.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

b1Bank operates as a state chartered commercial bank. The firm specializes in business and private banking. It provides commercial and personal banking, treasury management and wealth solutions services to private businesses and their owners, operators, executives and employees. The company was founded in 2006 and is headquartered in Baton Rouge, LA.

Part of Stupp Bros. Inc., Stupp Corp. is a company that manufactures pipelines. The company is based in Baton Rouge, LA.

Edgen Murray II LP distributes specialty steel products. Its services include profiling, cutting, shot blasting, coating and finishing and testing. The company was founded on April 3, 2007 and is headquartered in Baton Rouge, LA.

MMJ Industries, Inc. engages in the provision of transportation solutions specializing in waste disposal. It offers transfer station management, material handling, and purchasing. The company was founded by Craig Stafford in 1994 and is headquartered in Mableton, GA.

Edgen Murray FZE is a supplier of specialized piping, fittings, structural sections and valving. The company is located in Jebel Ali, Dubai.

Edgen Corporation is a global distributor of specialty steel products and services to the energy sector and other industrial markets. Edgen Corporation is based in Pearland, TX and has subsidiaries in the United States. The private company offers a wide range of products including pipes, valves, fittings, and flanges.

Part of Jefferies Financial Group, Inc., Leucadia Asset Management Hong Kong Ltd. is a diversified alternative asset management platform that offers institutional clients an innovative range of investment strategies through its affiliated asset managers. The company is based in Central, Hong Kong. The Chinese company focuses on strategic alignment across its asset managers and institutional investors, providing them with access to stable long-term capital, robust operational infrastructure, and distribution. The company serves a diverse investor base that includes sovereign wealth funds, public and corporate pensions, insurance companies, foundations, endowments, and other institutional investors.