STAAR Surgical Co. engages in the design, development, manufacture, and sale of ophthalmic surgical products. The firm offers implantable lenses for the eye and accessory delivery systems. Its products include refractive and cataract solutions through the Collamer brand. The company was founded in 1982 and is headquartered in Lake Forest, CA.

PACS Group, Inc. is a post-acute healthcare company, primarily focuses on delivering skilled nursing care through a portfolio of independently operated facilities. It also provides senior care, assisted living, and independent living options in some communities. The company provides services under brand name is :Pacs post acute, Pacs serives, Pacs properties and Pacs ventures. PACS Group was founded by Jason Murray and Mark Hancock on January 1, 2013 and is headquartered in Farmington, UT.

Turtle Beach Corp. engages in the development, commercialization, and marketing of audio peripherals. The firm provides gaming accessory. The company was founded by Elwood G. Norris and James A. Barnes in 1975 and is headquartered in White Plains, NY.

908 Devices, Inc. engages in the development of measurement devices for chemical and biochemical analysis. It offers products using mass spectrometry technology, an analytical technique for measuring the mass of charged molecules that is used in chemical analysis laboratories for applications, such as safety and security, food science, biotechnology, clinical diagnostics, and controlling industrial processes. Its products include desktops and handhelds. The company was founded by Kevin J. Knopp, Miller Scott, Steve Araiza, Andrew Bartfay, Michael Jobin, Christopher D. Brown, and Christopher J. Petty in 2012 and is headquartered in Boston, MA.

Shenandoah Telecommunications Co. is a holding company, which engages in the provision of regulated and unregulated telecommunication services to end-user customers and other telecommunications providers. It offers voice, video and data communications services. It operates through the Broadband and Tower segments. The Broadband segment provides broadband, video, and voice services to residential and commercial customers in portions of Virginia, West Virginia, Maryland, and Kentucky, via fiber optic and hybrid fiber coaxial ("HFC") cable. The Tower segment leases space on 225 owned cell towers. The company was founded in 1902 and is headquartered in Edinburg, VA.

USA Compression Partners LP engages in the provision of compression services in terms of total compression fleet horsepower. Its services include processing and transportation of natural gas through the domestic pipeline system and enhancing crude oil production through artificial lift processes. The company was founded by Eric Dee Long in1998 and is headquartered in Austin, TX.

Comstock, Inc. engages in the innovation, commercialization, and development of technologies that enable systemic decarbonization by converting under-utilized natural resources into renewable energy products. It operates through the following segments: Fuels, Metals, Mining, Strategic Investments, and Corporate and Other. The Fuels segment develops and commercializes technologies that extract and convert wasted and unused lignocellulosic biomass into intermediates for refining into advanced renewable fuels. The Metals segment is involved in recycling metals from other electronic devices, such as end-of-life batteries and fuel cells at later stages of development and production. The Mining segment focuses on leases, licenses, and related fees. It is administered by Comstock Mining LLC, and various other subsidiaries that collectively own or control twelve square miles of properties of patented mining claims, unpatented mining claims, and surface parcels in Northern Nevada. The Strategic Investments segment represents investments and projects that are strategic to plans and the ability to produce and maximize throughput in fuels, metals, and mining segments. The Corporate and Other segment includes corporate functions and services, including research and development activities that are ongoing outside of the business activities related to fuels, metals, mining, and strategic investments segments. The company was founded in 1999 and is headquartered in Virginia City, NV.

GrafTech International Ltd. engages in the manufacture of graphite electrode products essential to the production of electric arc furnace steel and other ferrous and non-ferrous metals. The firm also produces a needle coke product which is a raw material in producing graphite electrodes. Its customers include steel producers and other ferrous and non-ferrous metal producers in Europe, the Middle East and Africa, the Americas and Asia-Pacific, which sell its products into the automotive, construction, appliance, machinery, equipment, and transportation industries. The company was founded in 1886 and is headquartered in Brooklyn Heights, OH.

SunCoke Energy, Inc. engages in the production of coke through heating metallurgical coal in a refractory oven. It operates through the following segments: Domestic Coke, Brazil Coke, and Logistics. The Domestic Coke segment consists of the Jewell facility located in Vansant, Virginia, the Indiana Harbor facility located in East Chicago, Indiana, the Haverhill facility located in Franklin Furnace, Ohio, the Granite City facility located in Granite City, Illinois and the Middletown facility located in Middletown, Ohio. The Brazil Coke segment focuses on the operations in Vitoria, Brazil. The Logistics segment refers to the CMT, KRT, and Lake Terminal, which provide services to the Indiana Harbor coke making facility and DRT, which involves services to the Jewell coke making facility. The company was founded in December 2010 and is headquartered in Lisle, IL.

Kennametal, Inc. engages in the manufacturing of tungsten carbide metal cutting tooling. It operates through the Metal Cutting and Infrastructure segments. The Metal Cutting segment develops and manufactures tooling and metal cutting products and services. The Infrastructure segment produces engineered tungsten carbide and ceramic components, earth-cutting tools, and advanced metallurgical powders. The company was founded by Philip M. McKenna in 1938 and is headquartered in Pittsburgh, PA.