Joseph H. Vipperman

Part of Iracoal, Inc., Industrial Fuels Minerals Co. is a company based in Denver, CO.

National Vision, Inc. engages in the manufacture and retail of glasses and contact lenses. It distributes eyeglasses and other eyewear through its retail divisions that are located in malls, optical centers, and selected military bases. The company was founded in 1990 and is headquartered in Duluth, GA.

Part of Alpha Metallurgical Resources, Inc., Lauren Land Co. produces, processes, and sells bituminous coal.

Tortoise Capital Advisors LLC (Tortoise) is a SEC-registered investment advisor firm headquartered in Overland Park, Kansas. The firm was founded by Harold Birzer in 2002 and is a subsidiary of TortoiseEcofin Borrower LLC (formerly Tortoise Borrower LLC), ultimately held by TortoiseEcofin Investments LLC. Tortoise provides investment management services to individual and institutional investors and pooled investment vehicles.

Lightfoot Capital Partners LP seeks investment opportunities in middle market companies located in the United States. The fund targets companies operating in a broad range of sectors and industries. It provides financing for buyout transactions.

Eolia Resources, Inc. explores mineral properties. It offers bituminous coal and lignite surface mining services. The company is headquartered in Slemp, KY.

Part of James River Coal Co., James River Coal Sales, Inc. is a company that deals with coal and other minerals and ores. The company is based in Richmond, VA.

TortoiseEcofin Investments LLC engages in the provision of investment advisory services. It also offers investment vehicles which includes closed-end, open end, interval, and private funds. The company was founded by H. Kevin Birzer, David J. Schulte, Zachary A. Hamel, Kenneth P. Malvey, and Terry C. Matlack in December 2002 and is headquartered in Leawood, KS.

Zenith Energy LP develops and operates terminals that store and distribute petroleum. The company is headquartered in Metuchen, NJ.

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

Global Factory, Inc. provides collaborative manufacturing execution systems. The firm's software gather, organize & analyze demand, production & quality data from various sources and monitor key indicators & execute business processes to control, manage & optimize distributed manufacturing operations. The company was founded in 1999 and is headquartered in Santa Clara, CA.

Progress Fuels Corp. produces coal and natural gas. The company's coal is mined in the Appalachian region of US. The company is headquartered in Raleigh, NC.

Part of James River Coal Co., International Resource Partners LP produces and sells metallurgical and steam coal. The company is based in South Charleston, WV. International Resource Partners was acquired by James River Coal Co. from Lightfoot Capital Partners Fund on April 18, 2011 for $475 million.

Alvarez & Marsal North America LLC is a consulting firm that specializes in helping companies facing financial and operational challenges. The private company is based in New York, NY, and David James Coles has been the CEO of the company since 1997. The company works with management and stakeholders to preserve value and implement the right solutions. The company has a team of insolvency practitioners with a wide range of experience in taking insolvency appointments for large, complex, cross-border, and mid-sized corporate entities. The company has a strong track record of delivering financial and operational restructurings through insolvency processes and have been appointed to some of the largest and highest-profile insolvencies. Alvarez & Marsal delivers premier consulting services to organizations around the world in the areas of finance, digital, restructuring, private equity, valuations, disputes, and investigations.

BorgWarner Gateshead Ltd. manufactures electric motor controllers and system components for electric vehicles. It offers electrically powered vehicles from fork lift trucks to electric cars and bikes. Its products include 2 wheel pure EV, 4 wheel pure EV, hybrid vehicles, industrial, agricultural, and marine vehicles. The company was founded in 1961 and is headquartered in Gateshead, the United Kingdom.

Lightfoot Capital Partners LP (Lightfoot Capital Partners) is a private equity firm founded in 2006 by Vince Cubbage and Michael Hart. The firm is headquartered in New York, New York.

Part of Lightfoot Capital Partners LP, Lightfoot Capital Partners GP LLC is an American investment company that focuses on energy-related businesses. The company is based in DE and was founded by Vincent T. Cubbage.

Antarctica Investment Advisors LLC (Antarctica Capital) is a private equity firm founded in 2008. The firm is headquartered in New York.

Part of Zenith Energy LP, Zenith Energy Logistics GP LLC operates as a holding American company. Jeffrey R. Armstrong has been the CEO of the company since 2014.

Alpha Natural Resources Holdings, Inc. engages in the production of steam and metallurgical coal for both power generation and the production of steel. The company was founded in 2002 and is headquartered in Kingsport, TN.

Blackacre, LLC is an American company that engages in the mining of coal. The private company is based in Richmond.

Clearstream Capital LLC (Clearstream Capital) is a private equity firm founded in 2017 by Andrew W. Ward. The firm is headquartered in New York.

Southport Midstream Partners LLC provides natural gas and crude oil.

Row 7 Seed Co. LLC is based in Dobbs Ferry, NY. The company specializes in providing high-quality seeds for farmers, chefs, and plant breeders. Row 7 Seed Co. LLC is an organic seed company founded by Michael Mazourek, Matthew Goldfarb, and Barber Dan.

Orbital Recruitment Ltd. specializes in development of recruitment process outsourcing solutions. The firm offers workforce recruitment, onsite recruitment services, video inductions, biometric scanners and bespoke recruitment solutions. The company is headquartered in Derby, the United Kingdom.