Companies

Explore all the available companies. Are you wondering how to find wonderful businesses at great price? Start from A... or take a look at Compoundeer Ranking.

Quanex Building Products Corp
Quanex is a global manufacturer with core capabilities and broad applications across various end markets. The Company currently collaborates and partners with leading OEMs to provide innovative solutions in the window, door, solar, refrigeration, custom mixing, building access and cabinetry markets. Looking ahead, Quanex plans to leverage its material science expertise and process engineering to expand into adjacent markets.
NX
Quanta Services, Inc.
Quanta is an industry leader in providing specialized infrastructure solutions to the utility, renewable energy, technology, communications, pipeline and energy industries. Quanta's comprehensive services include designing, installing, repairing and maintaining energy and communications infrastructure. With operations throughout the United States, Canada, Australia and select other international markets, Quanta has the manpower, resources and expertise to safely complete projects that are local, regional, national or international in scope.
PWR
Quanterix Corp
Quanterix is a global leader in ultra-sensitive biomarker detection, enabling breakthroughs in disease research, diagnostics, and drug development. Its proprietary Simoa® technology delivers industry-leading sensitivity, allowing researchers to detect and quantify biomarkers in blood and other fluids at concentrations far below traditional limits. With approximately 6,000 peer-reviewed publications, Quanterix has been a trusted partner to the scientific community for nearly two decades. In 2025, Quanterix acquired Akoya Biosciences, The Spatial Biology Company®, adding multiplexed tissue imaging with single-cell resolution to its portfolio and 1,396 installed instruments. Together, the combined company offers a uniquely integrated platform that connects biology across blood and tissue-advancing precision medicine from discovery to diagnostics. Learn more at www.quanterix.com.
QTRX
Quantum Biopharma Ltd.
Quantum BioPharma (NASDAQ: QNTM) is a biopharmaceutical company dedicated to building a portfolio of innovative assets and biotech solutions for the treatment of challenging neurodegenerative and metabolic disorders and alcohol misuse disorders with drug candidates in different stages of development. Through its wholly owned subsidiary, Lucid Psycheceuticals Inc. (" Lucid "), Quantum BioPharma is focused on the research and development of its lead compound, Lucid-MS. Lucid-MS is a patented new chemical entity shown to prevent and reverse myelin degradation, the underlying mechanism of multiple sclerosis, in preclinical models. Quantum BioPharma invented unbuzzd and spun out its OTC version to a company, Celly Nutrition Corp. (" Celly Nutrition "), now Unbuzzd Wellness Inc., led by industry veterans. Quantum BioPharma retains ownership of 19.86% as of September 30, 2025 of Unbuzzd Wellness Inc. at www.unbuzzd.com. The agreement with Unbuzzd Wellness Inc.
QNTM
Quantum Computing Inc.
Quantum Computing Inc. (Nasdaq: QUBT) is an innovative, quantum optics and integrated photonics technology company that provides accessible and affordable quantum machines and foundry services for the production of photonic chips based on thin-film lithium niobate. QCi's products are designed to operate at room temperature and low power at an affordable cost. The Company's portfolio of core technologies and products offer unique capabilities in the areas of high-performance computing, artificial intelligence, and cybersecurity, as well as remote sensing applications.
QUBT
Quantum Corp
Quantum delivers end-to-end data management solutions designed for the AI era. With over four decades of experience, our data platform has allowed customers to extract the maximum value from their unique, unstructured data. From high-performance ingest that powers AI applications and demanding data-intensive workloads, to massive, durable data lakes to fuel AI models, Quantum delivers the most comprehensive and cost-efficient solutions. Leading organizations in life sciences, government, media and entertainment, research, and industrial technology trust Quantum with their most valuable asset - their data.
QMCO
Quantum-si Inc
Quantum-Si is transforming proteomics with a benchtop platform that brings single-molecule protein analysis to every lab, everywhere. The Company's platform enables real-time kinetic-based detection and allows researchers to move beyond traditional, multistep workflows and directly access dynamic, functional protein insights with unparalleled resolution. By making protein analysis simpler, faster, and more informative, Quantum-Si is accelerating proteomic discoveries to improve the way we live.
QSI
Quantumscape Corp
QuantumScape is on a mission to revolutionize energy storage to enable a sustainable future. The company's next-generation solid-state lithium-metal battery technology is designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources toward a lower carbon future.
QS
Quantumsphere Acquisition Corp
No description
QUMS
Quantumzyme Corp.
Quantumzyme Corp. is a biotransformation company focused on advancing sustainable enzyme-based solutions for pharmaceutical manufacturing. Specializing in green chemistry, the Company applies quantum mechanics, molecular modeling, AI-driven simulations, and computational enzyme engineering to develop biocatalysts designed to enhance efficiency, reduce waste, and support environmentally responsible production. By integrating computational modeling with laboratory validation, Quantumzyme aims to deliver scalable, cost-effective biocatalysis solutions that improve industrial sustainability.
QTZM
Quarta-rad, Inc.
Quarta-Rad Inc is a manufacturer and worldwide distributor of radioactivity detection equipment and air quality measurement instruments. Its products include radiation detectors, EMI Detection Equipment, Light and brightness Detection Equipment, and radon monitors. It distributes and sells detection devices for homeowners, homebuilders, and home renovation contractors. It has two operating segments through the operations of Quarta-Rad and Sellavir.
QURT
Quartz Mountain Resources Ltd
Headquartered in Vancouver, Canada, Quartz Mountain Resources (TSXV:QZM, OTC Pink: QZMRF) is a well- funded public company whose successful mine-finding management team is focused on discovering and transacting important-scale gold, silver and copper projects in British Columbia. The Company owns 100% of the Maestro gold-silver project and 100% of the Jake porphyry copper-gold-silver project. Both projects are permitted by the British Columbia government for drilling activities with access to infrastructure and high potential for the development of substantial resources for significant future transactions. Quartz is associated with Hunter Dickinson Inc. (HDI), a company with over 35 years of successfully discovering, developing and transacting mineral projects in Canada and internationally. Former HDI projects in British Columbia included Mount Milligan, Kemess South and Gibraltar all of which are porphyry-copper±gold deposits that are currently producing or formerly producing mines.
QZMRF
Quartzsea Acquisition Corp
No description
QSEA
Quasaredge Acquisition Corp
No description
QRED
Qudian Inc.
Qudian Inc. ("Qudian") is a consumer-oriented technology company. Qudian is exploring innovative business opportunities to satisfy consumers' demand by leveraging its technology capabilities.
QD
Quebecor Media Inc
Quebecor, a Canadian leader in telecommunications, entertainment, news media and culture, is one of the best-performing integrated communications companies in the industry. Driven by their determination to deliver the best possible customer experience, all of Quebecor's subsidiaries and brands are differentiated by their high-quality, multiplatform, convergent products and services. Québec-based Quebecor (TSX: QBR.A) (TSX: QBR.B) employs more than 11,000 people in Canada. A family business founded in 1950, Quebecor is strongly committed to the community. Every year, it actively supports more than 400 organizations in the vital fields of culture, health, education, the environment and entrepreneurship.
QBCRF
Quest Diagnostics Inc
Quest Diagnostics works across the healthcare ecosystem to create a healthier world, one life at a time. We provide diagnostic insights from the results of our laboratory testing to empower people, physicians and organizations to take action to improve health outcomes. Derived from one of the world's largest databases of de-identifiable clinical lab results, Quest's diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve healthcare management. Quest Diagnostics annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our more than 55,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives and create a healthier world.
DGX
Quest Patent Research Corp
Quest Patent Research Corp is an intellectual property asset management company. The company is engaged in the development, acquisition, licensing and enforcement of intellectual property rights. Its intellectual property portfolios consist of mobile data, online marketing, sweepstakes, promotions, and rewards, flexible packaging, universal financial data system, rich media, anchor structure portfolio, power management/bus control portfolio, and diode on-chip portfolio. The company has two segments namely intellectual property licensing and licensed packaging sales. It generates revenue from patent licensing fees, management fees, and licensed packaging sales.
QPRC
Quest Resource Holding Corp
Quest is a national provider of waste and recycling services that empower larger businesses to excel in achieving their environmental and sustainability goals and responsibilities. Quest delivers focused expertise across multiple industry sectors to build single-source, client-specific solutions that generate quantifiable business and sustainability results. Addressing a wide variety of waste streams and recyclables, Quest provides information and data that tracks and reports the environmental results of Quest's services, gives actionable data to improve business operations, and enables Quest's clients to excel in their business and sustainability responsibilities.
QRHC
Quest Water Global, Inc.
Quest Water Global Inc is engaged in the pollution and treatment controls business sector. The company provides various solutions to water-scarce regions. The company's product portfolio consists of AQUAtap, which is a self-contained, solar-powered, decentralized water purification and distribution system, and WEPS (Water Extraction and Purification Systems), which provide water scarce regions with an alternate, sustainable, pure source of water.
QWTR
Quetta Acquisition Corp
No description
QETA
Quhuo Ltd
Quhuo Limited (NASDAQ: QH) ("Quhuo" or the "Company") is a leading gig economy platform focusing on local life services in China. Leveraging Quhuo+, its proprietary technology infrastructure, Quhuo is dedicated to empowering and linking workers and local life service providers and providing end-to-end operation solutions for the life service market. The Company currently provides multiple industry-tailored operational solutions, primarily including on-demand delivery solutions, mobility service solutions, housekeeping and accommodation solutions, and other services, meeting the living needs of hundreds of millions of families in the communities. With the vision of promoting employment, stabilizing income and empowering entrepreneurship, Quhuo explores multiple scenarios to promote employment of workers, provides, among others, safety and security and vocational training to protect workers, and helps workers plan their career development paths to realize their self-worth.
QH
Quicklogic Corp
QuickLogic Corporation is a fabless semiconductor company specializing in eFPGA Hard IP, discrete FPGAs, and endpoint AI solutions. QuickLogic's unique approach combines cutting-edge technology with open-source tools to deliver highly customizable, low-power solutions for industrial, aerospace, consumer, and computing markets.
QUIK
Quidelortho Corp
QuidelOrtho Corporation (Nasdaq: QDEL) is a leading global provider of diagnostic solutions, delivering fast, accurate and reliable results that help improve patient outcomes - from the point of care to lab, clinic to hospital. Building on a legacy of innovation, QuidelOrtho works with healthcare providers to advance diagnostics that connect insights with solutions, defining a clearer path for informed decisions and better care.
QDEL
Quince Therapeutics, Inc.
Quince Therapeutics, Inc. (Nasdaq: QNCX) is a late-stage biotechnology company dedicated to unlocking the power of a patient's own biology for the treatment of rare diseases.
QNCX
Quinstreet, Inc
QuinStreet, Inc. (NASDAQ: QNST) is a pioneer in delivering online marketplace solutions to match searchers with brands in digital media. QuinStreet is committed to providing consumers and businesses with the information and tools they need to research, find and select the products and brands that meet their needs.
QNST
Quipt Home Medical Corp.
The Company provides in-home monitoring and disease management services including end-to-end respiratory solutions for patients in the United States healthcare market. It seeks to continue to expand its offerings to include the management of several chronic disease states focusing on patients with heart or pulmonary disease, sleep disorders, reduced mobility, and other chronic health conditions. The primary business objective of the Company is to create shareholder value by offering a broader range of services to patients in need of in-home monitoring and chronic disease management. The Company's organic growth strategy is to increase annual revenue per patient by offering multiple services to the same patient, consolidating the patient's services, and making life easier for the patient.
QIPT
Quoin Pharmaceuticals, Ltd.
Quoin Pharmaceuticals Ltd. is a late clinical stage specialty pharmaceutical company focused on developing and commercializing therapeutic products that treat rare and orphan diseases. We are committed to addressing unmet medical needs for patients, their families, communities and care teams. Quoin's innovative pipeline comprises four products in development that collectively have the potential to target a broad number of rare and orphan indications, including Netherton Syndrome, Peeling Skin Syndrome, Palmoplantar Keratoderma, Scleroderma, microcystic lymphatic malformations, venous malformations, angiofibromas and others.
QNRX
Quotemedia Inc
QuoteMedia is a leading software developer and cloud-based syndicator of financial market information and streaming financial data solutions to media, corporations, online brokerages, and financial services companies. The Company licenses interactive stock research tools such as streaming real-time quotes, market research, news, charting, option chains, filings, corporate financials, insider reports, market indices, portfolio management systems, and data feeds. QuoteMedia provides industry leading market data solutions and financial services for companies such as the Nasdaq Stock Exchange, TMX Group (TSX Stock Exchange), Canadian Securities Exchange (CSE), London Stock Exchange Group, FIS, U.S. Bank, Bank of Montreal (BMO), Broadridge Financial Systems, JPMorgan Chase, Scotiabank, CI Financial, Canaccord Genuity Corp.
QMCI
Qutoutiao Inc.
Qutoutiao Inc is a mobile content platform company in China. Its flagship mobile application Qutoutiao aggregates articles and short videos from professional media and freelancers and presents customized feeds to users. It has also launched a mobile literature application, Midu Novels, which offers users free literature supported by advertising. The mobile literature application, Midu Novels and Midu Lite, primarily sources content from traditional PC-based online literature platforms which provide a license to publish their literature content on Midu Novels for a fee and offer approximately 2,06,000 pieces of literature on Midu Novels. The company generates revenue primarily by providing advertising and marketing services.
QTTOY