Caroline Lunderberg

Lehman Brothers Holdings, Inc. engages in the provision of securities underwriting and investment services. The company is headquartered in New York, NY.

Raymond James & Associates, Inc. (RJA) is a registered broker-dealer headquartered in St. Petersburg, Florida. The firm was founded in 1962 and is a subsidiary of Raymond James Financial, Inc. (NYSE: RJF), a diversified holding company. RJA offers a full array of capital markets services, strategic advice and planning for institutional investors.

Enercom, Inc. develops and provides Internet-based energy software applications. Its product lineup includes self-guided home and business energy audit software, home water audit software, a wide assortment of online energy calculators and energy consumption comparison tools, online energy libraries for home and business, energy and water bill analysis tools, carbon footprint and greenhouse gas impact calculators, smartphone and tablet apps. The company was founded by Paul E. Conlan and is headquartered in Alpharetta, GA.

First Chicago Insurance Co. provides insurance services. It offers personal auto insurance commercial auto and artisan general liability insurance products. The company was founded on December 14, 1920 and is headquartered in Bedford Park, IL.

Carestream Health, Inc. engages in the provision of healthcare information technology solutions. It provides radiography, healthcare information solutions, veterinary, managed print solutions, and dental practices. The company was founded in 2007 and is headquartered in Rochester, NY.

National Industrial Sand Association operates as a non-profit organization that offers industrial sand products. It offers ceramics and refractories; chemical production; construction; filtration and water production; glass production; metal casting; metal production; oil and gas recovery; paint and coatings; and recreational products. The company was founded in November 1935 and is headquartered in Washington, DC.

Kidder, Peabody & Co., Inc. provides security brokerage services. The private company is based in Buffalo, NY and has subsidiaries in Switzerland. The company was founded by Thomas W. Ostrander.

Tinuum Group LLC manufactures and refines coal products. The company is based in Greenwood Village, CO. Richard C. Dowd has been the CEO of the company since 2015.

Hi-Crush Proppants LLC engages in the provision of proppant and logistics solutions to the North American petroleum industry. The firm owns and has options to acquire sand excavating and processing locations located in Wisconsin. It also offers premium frac sand and logistics services to E&P companies, integrated service companies and pressure pumping companies, on contract and spot basis. Its services include transload, terminal and storage, and railcar storage and handling. The company was founded by Robert E. Rasmus and James M. Whipkey in October 2010 and is headquartered in Houston, TX.

Hi-Crush GP LLC is a producer and supplier of premium Northern White frac sand, which is used as a preferred prop pant in unconventional oil and gas wells. The company was founded in 2010 and is headquartered in Houston, TX.

Hi-Crush Blair LLC owns proppants'' raw frac sand processing facility located in Blair, Wisconsin. The company was founded on August 5, 2014 and is headquartered in Houston, TX.

Hi-Crush Whitehall LLC engages in the excavation and processing of raw frac sand for use in hydraulic fracturing operations for oil and natural gas wells. The company was founded on August 3, 2012 and is headquartered in Houston, TX.

Atlas Sand Co. LLC engages in the provision of sand. Its products include 40/70, 100 mesh, safety data sheets, and tech data sheet. The company was founded by B en M. Brighamin and is headquartered in Austin, TX.

Wilson Sheehan Lab For Economic Opportunities operates as a research center in the department of economics. The private company is based in Notre Dame, IN.

Part of Burgundy Diamond Mines Ltd., Arctic Canadian Diamond Co. Ltd. is a company that engages in mining, producing, and supplying diamond assortments. The company is based in Calgary, Canada. The company was founded in 1998. Rory O. Moore has been the CEO of the company since 2021. Arctic Canadian Diamond Co. was acquired by Burgundy Diamond Mines Ltd. from Arctic Canadian Diamond Holding LLC on July 04, 2023 for $26.13 million.