James Roller

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.

Hall Capital Management Co LLC (Hall Capital Partners) is a Private Equity firm, a subsidiary of Hall Capital LLC founded in 2006. The firm is headquartered in Oklahoma City.

TLW investments, Inc. is a private company that sell hardware products. The company is located at Eugene, OR.

Consero Global Solutions LLC provides outsourced finance and accounting services. It offers controller and back office activities, financial assessments and cleanups, acquisition integration support, and cloud technology solutions. The company was founded by Kiran Jagannath, Steven S. Tynes and William E. Klein in 2006 and is headquartered in Austin, TX.

Arcadia Resources LP is a private company that owns and operates oil and gas production properties. The company is based in Oklahoma City, OK.

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.

American Energy Partners, Inc. explores oil and gas. The firm manages and identifies exploration opportunities, bringing together its private investor base with industry partners in search of domestic reserves. The company was founded in 1995 and is headquartered in Richardson, TX.

Avondale Acquisition Corp. operates as a development stage company. The company intends to focus on the onshore U.S. oil and natural gas industry. Avondale Acquisition was founded on January 21, 2015 and is headquartered in Oklahoma City, OK.

White Star Petroleum LLC operates as an independent oil and natural gas company. It focuses on the acquisition, development, operation and production of unconventional oil and natural gas properties. The company was founded by Aubrey Kerr McClendon in 2013 and is headquartered in Oklahoma City, OK.

Ascent Resources LLC engages in oil and gas exploration and production services. It explores, acquires, develops and produces oil and natural gas in prominent American shale plays. The company was founded in 2014 and is headquartered in Oklahoma, OK.

American Trailer Works, Inc. manufactures cargo trailers and related parts. Its brands include PJ Trailers, Carry-On Trailer, RC Trailers, and Middlebury Trailers. The company was founded in 2010 is headquartered in Sumner, TX.

The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY.

The Oklahoma Society of Certified Public Accountants was founded in 1918 and provides auditing and accounting services. The private company is based in Oklahoma City, OK.

Carden LLC provides financial services. The company was founded in 2017 and is headquartered in Yukon, OK.

BancFirst provides banking services. The company is headquartered in Oklahoma City, OK.

Kirkpatrick Bank operates as state chartered commercial bank. The company was founded in 1970 and is headquartered in Edmond, OK.

Oklahoma Proton Center LLC operates as proton therapy center. It provides diagnosis treatment services for cancer types such as prostate, lung, head and neck, breast, brain, and CNS. The company is headquartered in Oklahoma, OK.

Acorn Growth Cos LLC (Acorn Growth Cos) is a private equity firm founded in 2005. The firm is headquartered in Oklahoma.

Panther Energy Co. II LLC engages in exploration of oil and gas. It specializes in grassroots horizontal exploration of unconventional zones, but also develops conventional reserves of both oil and gas. The company was founded in October 2013 and is headquartered in Tulsa, OK.

Oklahoma Independent Petroleum Association operates as an oil and natural gas association. The company was founded in 1955 and is headquartered in Oklahoma City, OK.

Panther Energy Co. III LLC explores and produces oil and natural gas. The company is headquartered in Tulsa. OK.

Ford Dealer Computer Services, Inc. provides software solutions for car dealerships. It manufactures and rents computers. The company is headquartered in Houston, TX.

Regent Capital Corp. operates as a bank holding company. The company is headquartered in Tulsa, OK.

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.

Chesapeake Oilfield Services, Inc. is a diversified oilfield services company whose operating subsidiaries provide services and equipment primarily to Chesapeake Energy Corporation and its working interest partners, as well as other customers in the upstream oil and natural gas industry in the United States. Its services include contract drilling, hydraulic fracturing, oilfield rentals, rig relocation, fluid transportation, disposal, and manufacturing of natural gas compressor packages. The company was founded on April 10, 2012 and is headquartered in Oklahoma City, OK.

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

Part of Chesapeake Energy Corp., COS Holdings LLC is an investment holding company. The company is based in Oklahoma City, OK. Jerry L. Winchester has been the CEO of the company since 2011.

National Cowboy & Western Heritage Museum operates as a museum. It focuses on the American cowboy, rodeos, native American culture, Victorian firearms, frontier military, and western performers. The company was founded in 1955 and is headquartered in Oklahoma City, OK.

Regent Bank operates as state chartered commercial bank. The firm offers business banking, personal banking, bank anywhere, and mortgage. It also provides cash management, mobile deposits, and a host of other business services. The company is headquartered in Nowata, OK.

Baker Hughes Holdings LLC supplies oilfield services, products, technology, and systems to the worldwide oil and natural gas industry. It provides products and services for other businesses including downstream chemicals, and process and pipeline services. The company is headquartered in Houston, TX.

WellDynamics, Inc. provides intelligent completion technology for reservoir monitoring and control to the upstream oil industry. The company was founded in 1984 and is headquartered in Houston, TX.

Offshore Energy Center is a non-profit organization which engages in the promotion and awareness of energy resources. It offers tours, membership services, training courses, rental services, gift shops, and educational services. The organization is headquartered in Houston, TX.