3D Systems is a holding company. Through its subsidiaries, the company provides 3D printing solutions, including 3D printers for plastics and metals, materials, software, on demand manufacturing services and digital design tools. The company's solutions support applications in a range of industries and verticals, including healthcare, aerospace, automotive and durable goods. The company's healthcare capabilities include simulation, Virtual Surgical Planning (VSP?), and printing of medical and dental devices, models, and surgical guides and instruments. The company provides 3D printing technologies including Stereolithography, Selective Laser Sintering, Direct Metal Printing, MultiJet Printing and ColorJet Printing.

Ameresco provides energy services, including infrastructure upgrades, energy security, asset sustainability and renewable energy solutions throughout North America and Europe. The company's sustainability services include capital and operational upgrades to a facility's energy infrastructure and the development, construction, ownership and operation of renewable energy plants. The company's principal service is energy projects, which entails the design, engineering and installation of, and assisting with the arranging of financing for an array of technologies and techniques to improve the usage of energy, and control the operation, of a building's energy- and water- consuming systems.

American Axle & Manufacturing Holdings is a supplier to the automotive industry. The company designs, engineers and manufactures driveline and metal forming products. The company's business is organized into Driveline and Metal Forming segments. Driveline products consist primarily of front and rear axles, driveshafts, differential assemblies, clutch modules, balance shaft systems, disconnecting driveline technology, and electric and hybrid driveline products and systems. Metal Forming products consist primarily of axle and transmission shafts, ring and pinion gears, differential gears and assemblies, connecting rods and variable valve timing products.

American Superconductor is a provider of megawatt-scale solutions for power grid and wind power. The company operates its business under two market-facing business units: Grid, which enables electric utilities and renewable energy project developers to connect, transmit and distribute power, and these services lead to sales of the company's grid interconnection solutions for wind farms and solar power plants, power quality systems and transmission and distribution cable systems; and Wind, which supplies power electronics and control systems, licenses its engineered wind turbine designs, and provides customer support services to wind turbine manufacturers.

Ampco-Pittsburgh manufactures and sells engineered specialty metal products and customized equipment. The company's segments are: Forged and Cast Engineered Products, which includes the company's subsidiary, Union Electric Steel Corporation, that produces ingot and forged products and focuses on the production of forged hardened steel rolls used in rolling by producers of steel, aluminum and other metals; and Air and Liquid Processing, which includes the company's subsidiary, Air & Liquid Systems Corporation, that produces custom-engineered finned tube heat exchange coils and related heat transfer products for nuclear power generation, industrial process and heating, ventilation and air conditioning industries.

AngioDynamics designs, manufactures and sells medical, surgical and diagnostic devices for the treatment of peripheral vascular disease, vascular access and for use in oncology and surgical settings. The company's business units are: Oncology/Surgery, which provides a range of ablation technologies, including thermal tissue ablation systems, surgical resection and the NanoKnife System; Vascular Interventions and Therapies, which supports the medical areas of venous insufficiency, thrombus management, and peripheral products; and Vascular Access, which includes peripherally inserted central catheters, midline catheters, implantable ports, dialysis catheters and related accessories and supplies.

Aura Minerals is a Canadian resource company focused on the acquisition, exploration, development and operation of gold and metal projects in the Americas.

Bassett Furniture Industries is a retailer, manufacturer and marketer of branded home furnishings. The company's products are sold primarily through a network of the company-owned and licensee-owned branded stores under the Bassett Home Furnishings (BHF) name. The company's wholesale home furnishings segment is involved principally in the design, manufacture, sourcing, sale and distribution of furniture products to a network of BHF stores and independent furniture retailers. The company's Retail segment includes its store network of the company-owned stores and licensee-owned stores. The company's Logistical Services segment provides network line haul freight (middle mile) and warehousing, distribution and inventory management.

Bloom Energy designs, manufactures, and sells solid-oxide fuel cell systems, or Energy Servers, for on-site power generation. The company's Energy Servers utilize a fuel cell technology. The company's solution, the Bloom Energy Server, is a stationary power generation platform. The Bloom Energy Server converts standard low-pressure natural gas or biogas into electricity through an electrochemical process without combustion.

Camtek Ltd is an Israel-based manufacturer of metrology and inspection equipment and a provider of software solutions. The Company mainly serves the Advanced Packaging, Memory, Complementary Metal Oxide Semiconductor (CMOS) Image Sensors, Micro Electro Mechanical Sensor (MEMS), Radio Frequency (RF) and other segments in the mid end of the semiconductors industry. The Company has more than seven offices around the world and provides tailor-made solutions in line with customers' requirements. Camtek Ltd's subsidiaries are: Camtek Europe SA, Camtek Korea Ltd, Camtek South East Asia Pte Ltd, Camtek USA Inc, Sela - Semiconductor Engineering Laboratories USA Inc, Camtek Japan Ltd and Sela Semiconductor Engineering Laboratories Ltd, among others.

Capstone Turbine develops, manufactures, markets and services microturbine technology solutions for use in stationary distributed power generation and distribution networks applications, including cogeneration combined heat and power. The company provides microturbines designed for commercial, industrial and onshore and offshore oil and gas applications with product offerings ranging from 30 kilowatts to one megawatt (MW) in electric power output, which can be deployed in arrays up to 10 MWs. The company also remanufactures microturbine engines and provides aftermarket parts and services, which include its Factory Protection Plan, Distributor Support System program, and long-term microturbine rentals.

Carvana is a holding company. Through its subsidiaries, the company is an e-commerce platform for buying and selling used cars. On the company's platform, consumers can research and identify a vehicle using its 360-degree vehicle imaging technology, obtain financing and warranty coverage, purchase the vehicle, and schedule delivery or pick-up, all from their desktop or mobile devices. The company uses proprietary algorithms to support its nationally pooled inventory of over 14,000 vehicles, inspect and recondition its vehicles and operates its own logistics network to deliver cars directly to customers. Customers in certain markets also have the option to pick up their vehicle at one of the company's vending machines.

Celsius Holdings is engaged in the development, marketing, sale and distribution of functional calorie-burning fitness beverages under the Celsius? brand name. Celsius? burns calories by increasing a consumer's resting metabolism and provides energy. Celsius? uses ingredients and supplements such as green tea, ginger, calcium, chromium, B vitamins and vitamin C. The company also sells a powdered form of the active ingredients in its beverages in individual On-The-Go packets as well as several serving canisters. In addition, the company has a second line in its product portfolio, trainer's grade Celsius Heat?. Celsius Heat? is also a dietary supplement.

Cerence is primarily engaged in providing automotive manufacturers and their suppliers virtual assistants and connected car services built on its voice recognition and natural language understanding technologies. The company is a provider of AI-powered assistants for connected and autonomous vehicles, including software platforms for building automotive virtual assistants, such as Hey BMW and Ni hao Banma. The company's principal offering is its software platform, which its customers use to build virtual assistants that can communicate, find information and take action across a variety of categories, including navigation, control, media, communication, information and tools.

Clean Energy Fuels is a provider of natural gas as an alternative fuel for vehicle fleets in the U.S. and Canada. The company is engaged in supplying renewable natural gas, compressed natural gas (CNG) and liquefied natural gas (LNG) for light, medium and heavy-duty vehicles and providing operation and maintenance services for vehicle fleet customer stations. The company also, among others, designs, builds, operates and maintains fueling stations; sells and services natural gas fueling compressors and other equipment used in CNG stations and LNG stations; and provides assessment, design and modification solutions to provide operators with code-compliant service and maintenance facilities.

Coherent is a provider of lasers, laser-based technologies and laser-based system solutions in a range of commercial, industrial and scientific applications. The company reporting segments are: OEM Laser Sources (OLS) and Industrial Lasers and Systems (ILS). The company's OLS business segment is focused on laser sources and optical sub-systems primarily used in microelectronics manufacturing, medical diagnostics and therapeutic medical applications, as well as in scientific research. The company's ILS business segment delivers laser sources, sub-systems and tools used for industrial laser materials processing, serving end markets like automotive, machine tool, consumer goods and medical device manufacturing.

CONSOL Energy is a producer of bituminous coal, focused on the extraction and preparation of coal in the Appalachian Basin. The company's primary businesses consist of its: Pennsylvania Mining Complex; CONSOL Coal Resources LP (CCR or Partnership) Ownership, in which the company owns directly or indirectly, through CCR's general partner, an interest in the partnership; CONSOL Marine Terminal, in which through its subsidiary, CONSOL Marine Terminals LLC, the company provides coal export terminal services through the Port of Baltimore; and Greenfield Reserves, in which the company has ownership of undeveloped coal reserves located in the Northern Appalachian Basin, the Central Appalachian Basin, and the Illinois Basin.

DXC Technology is an end-to-end IT services company. The company provides a range of information technology services and solutions primarily in North America, Europe, Asia, and Australia. The company operates through two segments: Global Business Services, which provides technology solutions that help the company's clients address main business challenges and improve digital transformations tailored to each client's industry and objectives; and Global Infrastructure Services, which provides a portfolio of offerings that deliver predictable outcomes and measurable results, while reducing business risk and operational costs for clients.

EMCORE is engaged in the linear fiber optic transmission technology that enabled the delivery of Cable TV directly on fiber, and is a provider of Mixed-Signal Optics products serving the broadband communications and aerospace and defense markets. The Mixed-Signal Optics technology is shared with the company's fiber optic gyros and inertial sensors to provide the aerospace and defense markets with navigations systems technology. The company's Indium Phosphide compound semiconductor wafer fabrication facility, and its quartz processing and sensor manufacturing facility support its manufacturing of quartz and fiber optic gyro products, as well as chip, laser, transmitter, and receiver products.

EyePoint Pharmaceuticals is a biopharmaceutical company focuses on developing and commercializing ophthalmic products for the treatment of eye diseases. YUTIQ? (fluocinolone acetonide intravitreal implant) is used for the treatment of chronic non-infectious uveitis affecting the posterior segment of the eye (NIPU). DEXYCU? (dexamethasone intraocular suspension) is used for the treatment of post-operative ocular inflammation. The company is entitled to royalties pursuant to license and collaboration agreements utilizing its Durasert technology platform. These include ILUVIEN? for the treatment of diabetic macular edema, ILUVIEN for NIPU, and Retisert? for the treatment of posterior segment uveitis.

Fate Therapeutics is a biopharmaceutical company. The company's off-the-shelf, induced pluripotent stem cells (iPSC)-derived cellular immunotherapy pipeline include: FT500, which is an off-the-shelf natural killer (NK) cell cancer immunotherapy for the treatment of solid tumors; and FT516, which is an off-the-shelf NK cell cancer immunotherapy. The company's other iPSC-derived cell product candidates include: FT301, an off-the-shelf, immuno-regulatory cell product candidate derived from a clonal master iPSC line. The company's allogeneic cellular immunotherapy pipeline include: ProTmune?, an investigational programmed cellular immunotherapy for use as an allogeneic hematopoietic cell transplantation cell graft.

Global Water Resources is a water resource management company that owns, operates, and manages water, wastewater, and recycled water utilities in communities, principally in metropolitan Phoenix, AZ. The company treats water to potable standards and also treats, cleans, and recycles wastewater for a variety of non-potable uses. The company's utilities employ groundwater systems for potable water production. Water is brought to the surface from underground aquifers, disinfected and stored in tanks for distribution to customers. Recycled water is created by taking wastewater and applying tertiary treatment to create a non-potable water source.

Golar LNG is a midstream liquefied natural gas (LNG) company based in Bermuda. Co. is engaged in the transportation, regasification, liquefaction and trading of LNG. Through its subsidiaries and affiliates, Co. is engaged in the acquisition, ownership, operation and chartering of LNG carriers and floating storage regasification units (FSRUs), and the development of liquefaction projects such as Floating Liquefaction Natural Gas Vessels. Co. owns and operates a fleet of 19 LNG carriers and seven FSRUs, and under management agreements operates Golar LNG Partner LP's fleet of six FSRUs and four LNG carriers.

HyreCar is a peer-to-peer car-sharing marketplace that allows car owners to rent their cars to ride-sharing service drivers. The company's business is based on car-sharing marketplace developed to: onboard Owners and Drivers; facilitate the matching of Owners and Drivers; and log rental activity for Owners and Drivers. All transactions related to the rental (including, but not limited to, background checks, rentals, deposits and insurance costs) are run through the HyreCar platform. Drivers and Owners access their rental or car dashboards through a login. Drivers can initiate, terminate or extend a rental through the platform while Owners can manage their car or fleet of cars through the platform.

Immersion is a licensing company focused on the creation, design, development, and licensing of haptic technologies that allow people to use their sense of touch to engage with products in the digital world. The company provides software, intellectual property and haptic capability via offerings including technology licenses, patent licenses, and combined licenses that cover both software and patents. In most cases, the company's technology licenses include services, design tools and software development kits, as well as licenses to its patents to the extent necessary to implement the licensed software, with the specific rights and restrictions to the applicable patents described in the license agreements.

Infrastructure and Energy Alternatives is a holding company. Through its subsidiaries, the company is an infrastructure construction company with energy and heavy civil knowledge throughout the United States. The company focuses on providing engineering, procurement and construction services throughout the United States for the renewable energy, power and civil infrastructure industries. These services include the design, site development, construction, installation and restoration of infrastructure.

Intellia Therapeutics is a genome editing company focused on developing therapeutics utilizing a biological tool known as Clustered, Regularly Interspaced Short Palindromic Repeats (CRISPR)/CRISPR associated 9 (Cas9). This is a technology for genome editing, the process of altering selected sequences of genomic deoxyribonucleic acid. The company utilizes its CRISPR/Cas9 platform across two areas: in vivo applications, in which CRISPR/Cas9 is therapy, delivered to target cells within the body; and ex vivo applications, in which CRISPR/Cas9 creates therapy of engineered human cells.

Magenta Therapeutics is a clinical-stage biotechnology company developing medicines for patients with autoimmune diseases, blood cancers and genetic diseases. The company is developing a suite of antibody-drug conjugates (ADCs), for conditioning. The company's main conditioning product candidate, MGTA-117, is designed to specifically remove disease-causing hematopoietic stem cells and genetically mutated cells. The company's third ADC-based conditioning program, C300, targets T cells, a type of immune cell. The company is also developing MGTA-145 as the standard of care for stem cell mobilization in a range of diseases, including autoimmune diseases, genetic diseases and blood cancers.

Neuronetics is a commercial stage medical technology company focused on designing, developing and marketing products that improve the quality of life for patients who suffer from psychiatric disorders. The company's commercial product, NeuroStar Advanced Therapy System, a non-invasive and non-systemic office-based treatment that uses transcranial magnetic stimulation to create a pulsed, MRI-strength magnetic field that induces electrical currents designed to stimulate specific areas of the brain associated with mood. The system is used to treat adult patients with major depressive disorder who have failed to achieve improvement from prior antidepressant medication in the current episode.

Northern Technologies International develops and markets proprietary products and services either directly or via a network of subsidiaries, joint ventures, independent distributors, and agents. The company's primary business is corrosion prevention marketed mainly under the ZERUST? brand. The company sells its proprietary ZERUST? products and services to the automotive, electronics, electrical, mechanical, military and retail consumer markets, and the oil and gas industry. The company also markets and sells a portfolio of bio-based and certified compostable (fully biodegradable) polymer resin compounds and finished products under the Natur-Tec? brand.

NV5 Global is a provider of technical engineering and consulting services, providing solutions to public and private sector clients in the energy, transportation, water, government, hospitality, education, healthcare, commercial and residential markets. The company's operations are organized into two reportable segments: Infrastructure, which includes its engineering, civil program management, and construction quality assurance, testing, and inspection practices; and Building, Technology and Sciences, which includes its energy, environmental, and building program management practices.

Orion Energy Systems is engaged in providing light emitting diode lighting, wireless Internet of Things, enabled control solutions ,and energy project management. The company has three reportable segments: Orion Engineered Systems Division, which develops and sells lighting products and provides construction and engineering services for its commercial lighting and energy management systems; Orion Distribution Services Division, which focuses on selling lighting products through manufacturer representative agencies and a network of North American distributors; and Orion U.S. Markets Division, which sells commercial lighting systems and energy management systems to the wholesale contractor markets.

Pacific Biosciences of California designs, develops and manufactures sequencing systems. Based on its Single Molecule, Real-Time sequencing technology, the company's products enable: de novo genome assembly to finish genomes in order to identify, annotate and decipher genomic structures; transcript analysis to improve annotations in reference genomes, characterize alternatively spliced isoforms in gene families, and find genes; targeted sequencing to characterize genetic variations; and real-time kinetic information for epigenome characterization. The PacBio RS II, Sequel, and Sequel II Systems conduct, monitor, and analyze biochemical sequencing reactions.

Plug Power is a provider of alternative energy technology focused on the design, development, commercialization and manufacture of hydrogen and fuel cell systems used for the material handling and stationary power markets. The company's products and services include: GenDrive, which is a hydrogen fueled proton exchange membrane fuel cell system providing power to material handling electric vehicles, electric forklifts and ground support equipment; GenFuel, which is a hydrogen fueling delivery, generation, storage and dispensing systems; and ProGen, which is a fuel cell stack and engine technology that used in mobility and stationary fuel cell systems, and as engines in electric delivery vans.

Riot Blockchain is engaged in building a digital currency mining operation, operating computers (also known as miners) that generate digital currency (primarily Bitcoin). The company owns miners acquired with the Kairos Global Technology, Inc. The company's products and services include: Digital Currency Mining, in which the company operates a digital currency mining facility for the sole purpose of mining digital currencies (primarily bitcoin, and to a much lesser degree litecoin and bitcoin cash); and Digital Currency Exchange, in which the company is investigating the launch of an exchange that would provide regulatory compliant access to services which exchange digital currencies like bitcoin and Ethereum for cash.

ShotSpotter provides precision-policing and security solutions for law enforcement and security personnel to help deter gun violence. The company's solutions include: ShotSpotter Flex, which serves cities and municipalities seeking to identify, locate and deter gun violence by incorporating a real-time gunshot detection system into their policing systems; ShotSpotter Missions, which provides crime forecasting and mission planning to enable deployment of patrol resources and reports on mission activity and tactics for command staff; and ShotSpotter SecureCampus, which helps to mitigate risk and improve security by notifying authorities and first responders of an active-shooter event.

SiTime is a provider of silicon timing systems. The company supplies oscillator products that are comprised of a MEMS resonator and clock IC that is integrated into a package, as well as standalone resonators. The company's products are designed to address a wide range of applications across a broad array of end markets. The company operates a fabless business model and leverages its global network of distributors and resellers to address the broad set of end markets that it serves.

Teladoc Health is a provider of virtual healthcare services. The company provides virtual access to care and capabilities, with a portfolio of services and solutions covering medical subspecialties from non-urgent, episodic needs like flu and upper respiratory infections, to medical conditions like cancer and congestive heart failure. In its behavioral health business, branded BetterHelp, the company serves individuals in the direct-to-consumer market and through business partnerships with other brands. The company's consumer brands, which include Teladoc, Advance Medical, Best Doctors, BetterHelp and HealthiestYou, deliver access to advice and resolution to an array of healthcare needs.

Tutor Perini is a construction company. The company operates in three segments: Civil, which focuses on public works construction and the replacement and reconstruction of infrastructure; Building, which provides services to various building markets for private and public works customers, including hospitality and gaming, transportation, health care, commercial offices, sports and entertainment, education, correctional facilities, biotech and pharmaceutical, among others; and Specialty Contractors, which focuses on electrical, mechanical, plumbing, heating, ventilation and air conditioning, fire protection systems and pneumatically placed concrete for civil and building construction projects.

U.S. Concrete is a holding company. Through its subsidiaries, the company is engaged as a producer of ready-mixed and as a supplier of aggregates. The company's products comprised of: ready-mixed concrete, which products consist of proportioned mixes it produces and delivers in an unhardened plastic state for placement and shaping into designed forms at the job site; aggregates products, which sells these aggregates for use in commercial, industrial and public works projects in the markets they serve; and other, which includes the company's building materials stores, hauling operations, aggregates distribution terminals, a recycled aggregates operation and concrete blocks.

Vericel is a provider in cell therapies and specialty biologics for the sports medicine and severe burn care markets. The company markets two cell therapy products in the U.S: MACI, which is an autologous cellularized scaffold product indicated for the repair of symptomatic, single or multiple full-thickness cartilage defects of the knee with or without bone involvement in adults; and Epicel, which is a permanent skin replacement Humanitarian Use Device for the treatment of adult and pediatric patients with deep-dermal or full-thickness burns comprising greater than or equal to 30% of total body surface area. The company holds a license to commercialize NexoBrid for the debridement of severe thermal burns.

Veritone is a provider of artificial intelligence (AI) computing solutions. The company has developed aiWARE?, a proprietary AI operating system that integrates and orchestrates an open ecosystem of performing cognitive engines. The company'saiWARE platform incorporates proprietary technology to integrate and intelligently orchestrate a variety of cognitive engine capabilities to mimic human cognitive functions. The company also operates a full service media advertising agency. The company's services include media planning and strategy, advertisement buying and placement, campaign messaging, clearance verification and attribution, and custom analytics.