Jeffrey A. Martin

Argonaut Private Equity LLC (Argonaut Private Equity) is a private equity firm founded in 2002 by Jason Martin and George B. Kaiser. The firm is headquartered in Tulsa, Oklahoma.

• Downing Wellhead Equipment LLC provides oil and gas field machinery and equipment. The firm’s products include wellhead and multi-bowl systems, frac equipment, and fs completion systems. Its services include equipment repair, frac support and maintenance, valve service and greasing, and customer property management. The company was founded in 1980 and is headquartered Oklahoma City, OK.

Mammoth Carbon Products LLC is a pipeline products distribution company. Its products include electric resistance weld, double submerged arc welded, seamless and spiral weld pipes. The firm serves petrochemical and water well market segments. The company was founded in 2014 and is headquartered in Scottsdale, AZ.

SEF Energy LLC operates as an investment holding company. It delivers returns through methodical capital allocation, asset management and leadership. The company was founded in 2014 and is headquartered in Oklahoma City, OK.

QRC Valve Distributors LLC is a company that provides highly responsive master distribution services for valves. The company is based in Stafford, TX. The company offers a deep selection of valves and ensure timely delivery to support their clients and customers. The company was founded in 2016. Jesse Jones has been the CEO of the company since 2017.

JAC Holding Enterprises, Inc. operates as a holding company. The company is headquartered in U.S.

Falcon Flowback Services LLC provides flowback and well testing services for the separation and recovery of fluids, solid debris and proppant used during hydraulic fracturing operations. It specializes in pressure control, well testing, plug drill out and sand separation. The company is headquartered in Oklahoma City, OK.

Argonaut Private Capital LP offers investment advisory services. The private company is based in Tulsa, OK. Steve R. Mitchell has been the CEO of the company since 2016.

Kineta, Inc. engages in the development of novel immuno-therapies. It develops a pipeline of therapies that address critical unmet patient needs in oncology, chronic pain and biodefense. The company was founded by Shawn P. Iadonato and Charles L. Magness in 2008 and is headquartered in Seattle, WA.

Gibson, Dunn & Crutcher LLP provides legal services. It offers services to labor, employment, entertainment and media law, toxic torts and other environmental services. The company was founded in 1890 and is headquartered in Los Angeles, CA.

2929 Entertainment LP owns and operates theatres. It produces and finances movies through two production companies such as 2929 Productions and HDNet Films. The company was founded by Mark Cuban and Todd R. Wagner in 2003 and is headquartered in Los Angeles, CA.

Specific Systems LLC provides air-conditioning, heating, ventilating and pressurization systems. Its customers include the oil and gas, refineries and power plants, mining and resource extraction, pulp and paper mills industries. The company was founded in 1974 and is headquartered in Tulsa, OK.

Global Technology Partners LLC is a technology company. The private company is based in Boston, MA.

Otis Eastern Service LLC engages in the construction and maintenance of oil and gas pipeline systems. It provides greenfield and loop line constructions, in-situ replacements, remediation, row stabilization, slip repairs, and upgrades and testing. The company was founded in 1936 and is headquartered in Wellsville, NY.

360 Degree Solar Holdings, Inc. was founded in 2005. The private company is based in Fremont, CA. The company is focused on renewable energy, specifically solar power and wind turbines. The company offers solutions for configuring the wiring of both systems to prevent damage. The company's partner, Payday Depot, provides online payday loans. The company's mission is to bring prosperity and freedom to everyone's life. The company aims to build a system where people do not depend on money.

Xerox Corp. engages in the integration of paper and digital products. The firm offers home, office, office laser, multifunction and all in one printer, digital sheet-fed printing presses and scanner. The company was founded in 1906 and is headquartered in Norwalk, CT.

Kultevat, Inc. produces natural rubber products and mixed sugar feedstocks for the biofuels markets. It develops Taraxicum kok-saghya, an alternative source of natural rubber to replace materials from Hevea rubber trees. The company was founded by Daniel R. Swiger and is headquartered in Creve Coeur, MO.

Petroplex Acidizing, Inc. provides acidizing and chemical treatments for oil, gas and injection wells. Its products include Petrosol X-25, anti-sludge systems, petrol and custom acid blends. The firm also provides acidizing, acid-frac transports, pressure pumping and pump down, pressure testing, step rate injection, backside monitoring services. The company was founded by Larry D. Foster in 1981 and is headquartered in Midland, TX.

McNellie's Group is a restaurant group that owns and operates eleven restaurant concepts in an unspecified location. The private company is based in Tulsa, OK. The company's restaurants include Fassler Hall, Dust Bowl, Yokozuna, Dilly Diner, El Guapo's, McNellie's Pub, The Tavern, and The Bond Event Center.

Part of Miratech Group LLC, Miratech Holdings, Inc. operates as a holding company. The company is based in Oklahoma City, OK.

Mark Young Construction, Inc. provides refrigeration and commercial construction services. Its services include multi-plex refrigeration systems, conventional, four-pipe kool gas defrost system piping, refrigeration control, concrete, rough and finish carpentry, and mechanical and plumbing. The company was founded in 1989 and is headquartered in Frederick, CO.

American Cementing LLC provides cementing and acidizing products. The company is headquartered in Tulsa, OK.

Applied Industrial Machining LLC provides precision machining services. Its services include precision cnc machining, contract manufacturing, magnetic particle testing and welding. The company was founded by Robert Gilson and Mike Drain in 1986 and is headquartered in Oklahoma City, OK.

Industrial Electrical Sales of Tulsa, Inc. wholesales electrical equipment and wiring supplies. The company was founded by Hans Norberg in 1969 and is headquartered in Tulsa, OK.

DMB Pacific Ventures LLC engages in the provision of real estate investment and development services. Its projects include Martis Camp, Tejon Mountain Village, Marblehead Coastal, and Redwood City Saltworks. The company was founded in 2012 and is headquartered in Phoenix, AZ.

Established in 2000, TransPharma Medical Ltd. is a specialty pharmaceutical company focused on the development and commercialization of drug-products utilizing an innovative active transversal drug delivery technology. Its current proprietary drug-product development programs include ViaDerm-hPTH (1-34), a transversal hPTH (1-34) product to treat osteoporosis, undergoing Phase 2B clinical trials, which is developed in collaboration with Eli Lilly, and two additional peptides currently in Phase 1. TransPharma's drug-product development activities utilize its well-proven RF-MicroChannel Technology. Its RF-MicroChannel technology enables the creation of an array of microscopic pores through the very outer skin surface, allowing the delivery of therapeutic doses of a wide portfolio of drugs, including biologics, Its main area of focus. TransPharma's implementation of the RF-MicroChannel Technology is the ViaDerm delivery system. Intended for home use, the ViaDerm delivery system consists of a reusable, handheld, low-cost device and a disposable patch containing a drug. TransPharma's goal is to develop multiple drug-products through strategic partnerships with leading pharmaceutical companies and through independent product development. They believe that combining partnered and proprietary product development ensures capitalizing of both the promise of its technology and its growing capabilities.

Miratech Group LLC operates emission solutions for stationary natural gas and diesel reciprocating engines. It offers NSCR catalysts, SCR catalysts, diesel particulate filters, custom solutions, emission housings and silencers, engine, low pressure drop, spark arresting, and disk silencers, custom piping, expansion joints and ladders. The company was founded in 1992 and is headquartered in Tulsa, OK.

Part of Exxon Mobil Corp., Exxon Chemical Ltd. is a British company that specializes in the manufacture and marketing of industrial chemicals and other specialty chemical products, as well as conducting research. The company is based in Fareham, UK.

AbTech Industries, Inc. provides water cleaning solutions. Its products include smart sponge, passive skimmer, booms, smart vault, and ultra urban filter. The company was founded by Glenn R. Rink in 1996 and is headquartered in Scottsdale, AZ.

Enterprise Investors Sp zoo (Enterprise Investors) is a private equity firm founded in 1990 by John Birkelund and Robert Faris. The firm is headquartered in Warsaw, Poland.