Aspen Aerogels is an aerogel technology company that designs, develops and manufactures aerogel insulation used primarily in the energy infrastructure and building materials markets. The company also conducts research and development related to aerogel technology. The company's product lines include: Pyrogel XT-E, which is designed for use in refineries and petrochemical facilities; Pyrogel XTF, which is designed to provide protection against fire; Cryogel Z, which is designed for sub-ambient and cryogenic applications in the energy infrastructure market; and Spaceloft Subsea, which is designed for use in pipe-in-pipe applications in offshore oil production.

Aurinia Pharmaceuticals is a biopharmaceutical company engaged in the business of development and commercialization of therapeutic drugs.

Axogen provides surgical solutions for physical damage or transection to peripheral nerves. The company's products include: Avance Nerve Graft, which is an off-the-shelf processed human nerve allograft for bridging severed peripheral nerves without the comorbidities associated with a second surgical site; Axoguard Nerve Connector, which is a porcine submucosa extracellular matrix (ECM) coaptation aid for tensionless repair of severed peripheral nerves; Axoguard Nerve Protector, which is a porcine submucosa ECM product used to wrap and protect injured peripheral nerves and reinforce the nerve reconstruction while preventing soft tissue attachments.

BankFinancial is a holding company. Through its subsidiary, BankFinancial, National Association. (the Bank), the company is engaged in the business of commercial, family and personal banking. The Bank provides its customers a range of loan, deposit, trust and other financial products and services the company's loan portfolio consists primarily of multi-family real estate, nonresidential real estate, construction and land loans, commercial loans and commercial leases. The company's deposit accounts consist principally of savings accounts, negotiable order of withdrawal accounts, checking accounts, money market accounts, certificates of deposit, and individual retirement accounts and other retirement accounts.

Frequency Electronics is engaged in precision time and frequency generation technology. The company's segments are: FEI-NY and FEI-Zyfer. The FEI-NY segment includes the operations of the company's wholly-owned subsidiaries, FEI-Asia and FEI-Elcom. FEI-Asia functions as a manufacturing facility for FEI-NY and FEI-Zyfer. FEI-Elcom provides design and technical support for the FEI-NY segment's business. The FEI-Zyfer segment designs and manufactures products which incorporate global positioning systems technologies and clocks designed and manufactured at FEI-NY. FEI-Zyfer sells its products to both commercial and U.S. Government customers and collaborates with FEI-NY on joint product development activities.

H&R Block provides assisted, do-it-yourself, and virtual tax return preparation solutions through various channels (including in-person, online and mobile applications, virtual, and desktop software) and distributes the company-branded products and services to the general public in the U.S., Canada, Australia, and their respective territories. The company also provides additional services, such as Refund Transfers, its Peace of Mind? Extended Service Plan (POM), H&R Block Emerald Prepaid Mastercard?, H&R Block Emerald Advance? lines of credit, Tax Identity Shield?, and Refund Advance loans. For its Canadian clients the company also provides POM, H&R Block Instant Refund?, and H&R Block Pay With Refund? services.

Heritage Insurance Holdings is a property and casualty insurance holding company. Through its subsidiaries, the company writes personal residential property insurance for single-family homeowners and condominium owners, and rental property insurance in Alabama, Connecticut, Florida, Georgia, Hawaii, Massachusetts, New Jersey, New York, North Carolina, Rhode Island and South Carolina. The company also provides commercial residential insurance for Florida properties and is also licensed in Maryland, Mississippi, Pennsylvania, and Virginia. The company controls or manages substantially all aspects of insurance underwriting, customer service, actuarial analysis, distribution and claims processing and adjusting.

Kingstone Companies is an insurance holding company. Through its wholly-owned subsidiary, Kingstone Insurance Company (KICO), the company provides property and casualty insurance products to individuals and small businesses. KICO is a licensed property and casualty insurance company in New York, New Jersey, Connecticut, Massachusetts, Pennsylvania, Rhode Island, Maine and New Hampshire. The company's product lines include: personal lines, which provide homeowners and dwelling fire multi-peril, cooperative/condominiums and personal umbrella policies; commercial liability, which provides businessowners policies; and livery physical damage, which writes for-hire vehicle physical damage only policies.

Kratos Defense & Security Solutions is a technology, intellectual property, proprietary product and system company focused on the U.S. and its allies' national security. The company operates in three segments. The Kratos Government Solutions segment is comprised of an aggregation of operating segments, including the company's microwave electronic products, space and satellite communications, modular systems and rocket support operating segments. The Unmanned Systems segment consists of the company's unmanned aerial system and unmanned ground and seaborne system businesses. The Public Safety and Security segment provides independent integrated solutions for government and commercial applications.

Magna is a global automotive supplier whose product capabilities include producing body, chassis, exterior, seating, powertrain, electronic, vision, closure and roof systems and modules, as well as vehicle engineering and contract manufacturing. Co.'s operations are segmented on a geographic basis. Co.'s segments consist of North America, Europe, Asia and Rest of World.

Mastech Digital is a provider of Digital Transformation Information Technology (IT) Services. The company provides data management and analytics services; other digital transformation services around Salesforce.com and Digital Learning; and IT staffing services for both digital and mainstream technologies. The company's segments include: Data and Analytics Services, which is marketed under the Mastech InfoTrellis brand and provides capabilities in delivering data management and analytics services to customers; and IT Staffing Services, which focuses on contract IT staffing and digital transformation services and also provides permanent placement services for its clients.

Natural Gas Services Group is a provider of natural gas compression services and equipment to the energy industry. The company manufactures, fabricates, rents, sells and maintains natural gas compressors and flare systems for oil and natural gas production and plant facilities. The company's operating units include: Rental, which provides small, medium and large horsepower applications for oil and natural gas production; Engineered Equipment Sales, which includes compressor fabrication, parts sales and compressor rebuilds, flare fabrication, and compressor manufacturing; and Service and Maintenance, which services and maintains compressors owned by its customers on an as needed and contract basis.

Northwest Pipe is a manufacturer of engineered welded steel pipe water systems in North America. The company's solution-based products serve a range of markets including water transmission, plant piping, tunnels, and river crossings. The company manufactures Permalok? steel casing pipe, which is a pipe joining system that employs a press-fit interlocking connection system. The company added T-Lock? and Arrow-Lock? Sheet Lining Systems to its product line. T-Lock? is applied during concrete casting and permanently locks into place as a part of the substrate. Arrow-Lock? can be used in both new and rehabilitation projects.

Personalis is a cancer genomics company transforming the development of therapies by providing molecular data about each patient's cancer and immune response. The company designed its NeXT Platform to adapt to the complex and evolving understanding of cancer, providing its biopharmaceutical customers with information on all of the approximately 20,000 human genes, together with the immune system, in contrast to several cancer panels that cover roughly 50 to 500 genes.

Power Solutions International designs, engineers, manufactures, markets and sells a range of engines and power systems that are powered by a variety of fuels, including natural gas, propane, gasoline, diesel and biofuels. The company's products are used by global original equipment manufacturers and end-user customers across a range of applications and equipment that includes standby and prime power generation, demand response, microgrid, combined heat and power, arbor equipment, material handling (including forklifts), agricultural and turf, construction, pumps and irrigation, compressors, utility vehicles, light- and medium-duty vocational trucks, and school and transit buses.

Scientific Games is a developer of technology-based products and services and associated content for the worldwide gaming, lottery and interactive gaming industries. The company's portfolio activities primarily includes supplying gaming machines and game content, casino-management systems and table game products and services to licensed gaming entities; providing instant and draw-based lottery products, lottery systems and lottery content and services to lottery operators; providing social casino solutions to retail consumers and regulated gaming entities; and providing a suite of digital real-money gaming and sports wagering solutions, distribution platforms, content, products and services.

Security National Financial is a holding company. Through its subsidiaries, the company operates in three main business segments: life insurance, which is engaged in the business of selling and servicing selected lines of life insurance, annuity products, and accident and health insurance; cemetery and mortuary, which engages in pre-need selling of funeral, cemetery, mortuary and cremation services; and mortgages, which originates and underwrites or otherwise purchases residential and commercial loans for new construction, existing homes and other real estate projects.

SIGA Technologies is a commercial-stage pharmaceutical company focused on the health security market. Health security comprises countermeasures for biological, chemical, radiological and nuclear attacks, vaccines and therapies for emerging infectious diseases, and health preparedness. The company's primary product is an oral formulation of TPOXX?, an antiviral drug for the treatment of human smallpox disease caused by variola virus. The United States Food and Drug Administration has approved oral TPOXX? for the treatment of smallpox.

SpartanNash is a grocery distributor and grocery retailer. The company operates three segments: Food Distribution, which provides grocery products and perishable food products to independent retailers, the company's corporate owned retail stores, food service distributors and various other customers; Military, which contracts with manufacturers to distribute a range of grocery products, including dry groceries, beverages, meat, and frozen foods, primarily to military commissaries and exchanges; and Retail, which operated corporate owned retail stores in the Midwest region primarily under banners including Family Fare Supermarkets, D&W Fresh Markets, VG's Grocery, Dan's Supermarket and Family Fresh Market.

The Bancorp is a financial holding company. The company's primary subsidiary is a wholly owned subsidiary bank, The Bancorp Bank (the Bank). The Bank has four primary lines of specialty lending: securities-backed lines of credit and insurance policy cash value-backed lines of credit, leasing (direct lease financing), small business loans and loans generated for sale into capital markets through commercial loan securitizations and other sales. Through the Bank, the company also provides banking services nationally, which include prepaid card accounts, private label banking, deposit accounts to investment advisors' customers, card payment and other payment processing.

Virco Manufacturing is engaged in the design, production and distribution of furniture. The company manufactures various products, including mobile tables, mobile storage equipment, desks, computer furniture, chairs, activity tables, folding chairs and folding tables. The company has worked with designers to develop products for contemporary applications. The company is a furniture and equipment supplier for convention centers and arenas; the hospitality industry with respect to banquet and meeting facilities; government facilities at the federal, state, county and municipal levels; and places of worship. The company also sells to wholesalers, distributors, retailers and catalog retailers that serve these same markets.

Willdan Group is a holding company. Through its subsidiaries, the company is a provider of technical and consulting services to utilities, private industry, and public agencies of government. The company provides services in two segments: Energy, which services include surveys, program design, master planning, benchmarking analyses, design engineering, construction management, performance contracting, installation, alternative financing, and measurement and verification services; and Engineering and Consulting, which provides civil engineering-related construction management, building and safety, city engineering, city planning, geotechnical, and other engineering consulting services to the company's clients.