Hallador Energy Co. engages in business through its subsidiary, Sunrise Coal, LLC, which produces coal in the Illinois Basin for the electric power generation industry. It also owns summit terminal, a transport facility on the Ohio River. The company was founded in 1951 and is headquartered in Terre Haute, IN.

RCM Technologies, Inc. engages in the provision of business and technology solutions. It operates through the following segments: Engineering, Specialty Health Care, and Information Technology. The Engineering segment offers a portfolio of engineering and design services across energy services, process and industrial, and aerospace sectors. The Specialty Healthcare segment offers staffing solutions of healthcare professionals and teletherapy services. The Information Technology segment provides enterprise business solutions, application services, infrastructure solutions, and life sciences solutions. The company was founded by Leon Kopyt in 1971 and is headquartered in Pennsauken, NJ.

FibroGen, Inc. is a biopharmaceutical company, which engages in the discovery, development, and commercialization of novel therapeutics. It focuses on the hypoxia-inducible factor and connective tissue growth factor biology to develop medicines for the treatment of anemia, fibrotic disease, and cancer. The company was founded by Thomas B. Neff on September 29, 1993, and is headquartered in San Francisco, CA.

Duluth Holdings, Inc. engages in the provision of lifestyle brand of men and women casual wear, work wear, and accessories. Its products assortment includes shirts, pants, underwear, outerwear, footwear, accessories, and hard goods. It features proprietary designs and distinct names, such as Longtail T shirts, Buck NakedTM underwear, Fire Hose work pants, and No-YankTank. The company was founded by Stephen L. Schlecht in 1989 and is headquartered in Mount Horeb. WI.

Neonode, Inc. engages in the provision of advanced optical sensing solutions for contactless touch, touch, and gesture sensing. It offers software solutions for scene analysis that feature advanced machine learning algorithms to detect and track persons and objects in video streams for cameras and other types of imagers. It operates through the following geographical segments: United States, Japan, South Korea, China, Germany, Switzerland, and Other. The company was founded by Thomas Eriksson Bjorn on September 4, 1997 and is headquartered in Stockholm, Sweden.

ProKidney Corp. is a clinical-stage biotechnology company, which engages in the development of a proprietary cell therapy platform. The firm focuses on the treatment of chronic kidney disease, shifting the emphasis away from management of kidney failure to the restoration of kidney function to stop or delay progression of CKD. It offers REACT, a product candidate that includes selected renal cells prepared from a patient's own, autologous, and renal cells. The company was founded on December 21, 2015 and is headquartered in Winston-Salem, NC.

Trupanion, Inc. engages in the provision of medical insurance for cats and dogs. It operates through the Subscription Business and Other Business. The Subscription Business segment is involved in the monthly subscriptions of pet medical insurance. The Others Business segment includes companies or organizations that choose to provide medical insurance for cats and dogs as a benefit to their employees or members. The company was founded by Darryl Rawlings in 2000 and is headquartered in Seattle, WA.

NRG Energy, Inc. engages in the production, sale, and distribution of energy and energy services. It operates through the following segments: Generation, Retail, and Corporate. The Generation segment includes all power plant activities, domestic and international, as well as renewables. The Retail segment includes mass customers and business solutions, and other distributed and reliability products. The Corporate segment includes residential solar and electric vehicle services. The company was founded in 1989 and is headquartered in Houston, TX.

Altimmune, Inc. is a clinical stage biopharmaceutical company, which focuses on the development of novel peptide-based therapeutics for the treatment of obesity and liver diseases. The company's lead product candidate, pemvidutide, is a GLP-1/glucagon dual receptor agonist that is being developed for the treatment of obesity and NASH. In addition, Altimmune is developing HepTcell, an immunotherapeutic designed to achieve a functional cure for chronic hepatitis B. The company was founded in 1997 and is headquartered in Gaithersburg, MD.

Sunrun, Inc. engages in the design, development, installation, sale, ownership, and maintenance of residential solar energy systems. It sells solar service offerings and installs solar energy systems for homeowners. Customers can access its products through three channels: direct-to-consumer, solar partnerships, and strategic partnerships. The company was founded by Edward Harris Fenster, Robert Nat Kreamer, and Lynn Michelle Jurich in January 2007 and is headquartered in San Francisco, CA.