United Airlines Holdings
United Airlines Holdings, Inc. is a major airline company providing air transportation services across North America and internationally, including Asia, Europe, Africa, the Pacific, the Middle East, and Latin America. Through its subsidiaries, United Airlines and United Express, the company operates an average of 5,341 flights daily to over 360 airports worldwide. As of early 2020, United's fleet comprised approximately 791 mainline aircraft, and the airline is known for its extensive global route network, having launched various new international and domestic routes in recent years. The company has made significant investments in modernizing its fleet and enhancing customer experience, offering flat-bed seats in premium classes and extra-legroom options in economy. United also provides additional services, including fuel sales, catering, and ground handling for third parties. Founded in 1934 and headquartered in Chicago, Illinois, United Airlines has been recognized for its frequent flyer program and has a diverse workforce of over 85,000 employees.
27 past transactions
JetZero
Venture Round in 2025
JetZero is an innovative aircraft manufacturer focused on reshaping aviation through the development of the world's first commercial blended wing design. Founded in 2021 by Mark Page and Tom O'Leary, the company aims to address critical challenges in the aviation industry, including efficiency, passenger comfort, and decarbonization. The blended wing configuration integrates the wings with the fuselage, resulting in a smoother aerodynamic shape that reduces drag and aircraft weight, while also providing additional space for cabin layouts. This design promises to lower carbon emissions significantly compared to traditional tube-and-wing aircraft. With substantial investment, research, and partnerships with leading aerospace and technology firms, JetZero is poised to enter commercial service by 2030, potentially transforming air travel for future generations.
Heirloom
Venture Round in 2025
Heirloom is a company specializing in direct air capture technology aimed at enhancing the natural process of CO2 absorption from the atmosphere. Its innovative system accelerates limestone's ability to capture carbon dioxide, which is then stored permanently underground. The process operates using renewable energy, making it an environmentally friendly solution for carbon removal. Heirloom's technology is designed to capture and remove atmospheric CO2 at a gigaton scale, significantly reducing second-order impacts and minimizing extraction efforts. This approach allows clients to restore the atmosphere through natural processes, contributing to global efforts against climate change.
Archer
Post in 2024
Archer is an aerospace company based in the San Francisco Bay Area, dedicated to advancing sustainable air mobility. The company specializes in designing, manufacturing, and operating all-electric vertical takeoff and landing aircraft aimed at enhancing urban mobility. Archer's flagship aircraft is designed to carry four passengers for up to 60 miles at speeds of up to 150 mph, with minimal noise production.
Verne
Seed Round in 2024
Verne is a cleantech startup founded in 2020 and based in Berkeley, California, specializing in high-density hydrogen storage systems tailored for heavy transport applications. The company develops innovative solutions that allow vehicle operators to maintain existing operations while meeting zero-emission targets. Verne's hydrogen storage systems are designed to provide double the density of traditional compressed gas, facilitating efficient refueling at both liquid and gaseous hydrogen stations. This technology enables trucks to achieve a range and payload comparable to diesel vehicles, effectively minimizing the cost of hydrogen delivery from producers to end consumers.
Koloma
Series B in 2024
Koloma is a geologic hydrogen company specializing in identifying and commercially developing geologic hydrogen resources. It leverages proprietary technology, data, and expertise to create innovative solutions for reducing global carbon emissions, thereby assisting businesses in lowering their carbon footprint and combating climate change.
Heart Aerospace
Series B in 2024
Heart Aerospace AB, established in 2018 with headquarters in Gothenburg, Sweden, and operations in Palo Alto, California, specializes in developing electric regional airliners certified for passenger flight. The company's mission is to facilitate swift, affordable, and sustainable travel for regional journeys worldwide. Their flagship aircraft, the ES-19, is a nineteen-passenger electric airliner designed with an operating range of 400 km, aiming to reduce fuel and maintenance costs compared to traditional aircraft while emitting zero operational emissions. Heart Aerospace targets commercial operation certification for the ES-19 by 2026.
Dimensional Energy
Series A in 2023
Dimensional Energy is a chemistry company focused on advancing artificial photosynthesis to create environmentally sustainable polymers and chemical intermediates. The company specializes in developing hydrocarbon fuels by effectively harnessing and distributing sunlight through scalable reactor systems. By utilizing innovative, functionalized catalysts, Dimensional Energy's technology enhances the reactivity of carbon dioxide molecules, facilitating their capture and conversion into energy. This approach not only aims to provide viable solar fuels but also supports clients in addressing critical energy requirements while promoting environmental responsibility.
Archer
Post in 2023
Archer is an aerospace company based in the San Francisco Bay Area, dedicated to advancing sustainable air mobility. The company specializes in designing, manufacturing, and operating all-electric vertical takeoff and landing aircraft aimed at enhancing urban mobility. Archer's flagship aircraft is designed to carry four passengers for up to 60 miles at speeds of up to 150 mph, with minimal noise production.
Electric Power Systems
Venture Round in 2023
Electric Power Systems (EPS) is a specialized company offering comprehensive electrical testing and engineering services, primarily serving the utilities industry. Established in 1977, EPS is headquartered in Maryland Heights, Missouri. The company provides a wide array of testing services, including low and high voltage substations, transformer, generator, and battery acceptance tests, as well as oil handling, relay calibration, and infrared thermographic surveys. Additionally, EPS offers engineering studies such as short circuit, power factor, and arc flash analyses, along with repair, commissioning, and maintenance services for substations and transformers.
Svante
Venture Round in 2023
Svante Inc., established in 2007 and headquartered in Burnaby, Canada, specializes in carbon capture and removal solutions. The company develops and manufactures novel solid sorbents, structured adsorbent filters, and rotary contactor machines for post-combustion industrial carbon capture and direct air capture. Svante's leading-edge technology captures and concentrates CO2 from heavy industries' emissions and the atmosphere, enabling customers to reduce capital costs and energy consumption. The company partners with global CCUS stakeholders to scale the industry and facilitate source-to-sink carbon capture projects.
Viridos
Series A in 2023
Viridos is a company that develops and commercializes genomic-driven solutions aimed at tackling global energy and environmental issues. It specializes in synthesizing and programming DNA to create and utilize technologies in synthetic genomics. The company designs and develops microbes for various industrial processes and environmental applications, including microbial cultivation technologies that identify novel microorganisms and new genes. Additionally, Viridos focuses on enhancing biofuel production, utilizing photosynthetic organisms to generate value-added products from sunlight and carbon dioxide, and improving the recovery rates of subsurface hydrocarbons. Its innovations also extend to the development of high-yield, disease-resistant feedstocks. Through these efforts, Viridos contributes to the production of energy, chemicals, and pharmaceuticals, while also promoting carbon sequestration and environmental remediation.
Natron Energy
Corporate Round in 2022
Natron Energy, Inc. is an energy storage company based in Santa Clara, California, founded in 2012. The company specializes in the development of sodium-ion batteries, utilizing unique Prussian Blue electrode materials to offer solutions for various industrial applications. These batteries are designed for stationary uses, including uninterruptible power supply systems, lift trucks, renewable energy smoothing, and integration into smart grids and microgrids. Natron's innovative batteries are characterized by their safety, sustainability, power density, and extended cycle life, providing a cost-effective energy storage option produced from widely available materials. The company also operates a software-defined power platform to enhance its energy storage solutions. Natron Energy was formerly known as Alveo Energy, Inc. before changing its name in March 2017.
Svante
Series E in 2022
Svante Inc., established in 2007 and headquartered in Burnaby, Canada, specializes in carbon capture and removal solutions. The company develops and manufactures novel solid sorbents, structured adsorbent filters, and rotary contactor machines for post-combustion industrial carbon capture and direct air capture. Svante's leading-edge technology captures and concentrates CO2 from heavy industries' emissions and the atmosphere, enabling customers to reduce capital costs and energy consumption. The company partners with global CCUS stakeholders to scale the industry and facilitate source-to-sink carbon capture projects.
NEXT Renewable Fuels
Venture Round in 2022
NEXT Renewable Fuels is an oil and energy company that produces advanced biofuel to offer an alternative to petroleum-based diesel. The company turns recycled organic materials, such as used cooking oil, into an advanced biofuel that works just like petroleum-based diesel, but with as much as 85 percent fewer greenhouse gas emissions. It provides renewable transportation that fuels future demands. The company was founded in 2016 and is based in Portland, Oregon.
Eve Air Mobility
Post in 2022
Eve Holding Inc specializes in Urban Air Mobility solutions, focusing on advancing the air mobility ecosystem. The company's core offerings include the design and production of electric vertical takeoff and landing vehicles (eVTOLs), which cater to various operators, including fixed-wing and helicopter services. Additionally, Eve provides a range of maintenance and support services for both its own eVTOLs and those of third-party operators. A key component of its strategy is the development of an Urban Air Traffic Management system, designed to facilitate the safe and efficient operation of eVTOLs in densely populated urban environments, alongside conventional aircraft and drones. Through these initiatives, Eve aims to create a safe, accessible, and environmentally friendly air mobility framework.
Cemvita
Venture Round in 2022
Cemvita is a synthetic biology company focused on developing innovative solutions that promote sustainability and enhance the energy transition. Utilizing its CO2 Utilization platform, the company mimics natural processes such as photosynthesis to produce a range of products, including nutrients for space exploration and industrial chemicals for various applications. Cemvita aims to assist industries like oil and gas, chemicals, and mining in reducing their carbon emissions by providing environmentally friendly methods for resource extraction, including lithium mining. Through its nature-inspired approach, Cemvita seeks to advance sustainable practices in multiple sectors while addressing critical challenges related to energy and environmental impact.
ZeroAvia
Series B in 2021
ZeroAvia, Inc. is a company focused on developing zero-emission aircraft and hydrogen-electric propulsion systems aimed at transforming short-haul commercial aviation. Established in 2017 and headquartered in Hollister, California, with an additional office in Cranfield, United Kingdom, ZeroAvia is dedicated to eliminating aviation emissions while maintaining operational efficiency. The company's innovative powertrain utilizes a hydrogen fuel-cell system, allowing for retrofitting of existing aircraft and facilitating the adoption of sustainable aviation practices. By emphasizing scalable technologies, ZeroAvia seeks to partner with various stakeholders in the aviation industry to provide cleaner, more efficient flight options, thereby reducing costs and carbon dioxide emissions associated with air travel.
Archer
Post in 2021
Archer is an aerospace company based in the San Francisco Bay Area, dedicated to advancing sustainable air mobility. The company specializes in designing, manufacturing, and operating all-electric vertical takeoff and landing aircraft aimed at enhancing urban mobility. Archer's flagship aircraft is designed to carry four passengers for up to 60 miles at speeds of up to 150 mph, with minimal noise production.
Alder Fuels
Venture Round in 2021
Alder Fuels is a process technology and project development company in the advanced, low-carbon transportation fuels industry
Heart Aerospace
Series A in 2021
Heart Aerospace AB, established in 2018 with headquarters in Gothenburg, Sweden, and operations in Palo Alto, California, specializes in developing electric regional airliners certified for passenger flight. The company's mission is to facilitate swift, affordable, and sustainable travel for regional journeys worldwide. Their flagship aircraft, the ES-19, is a nineteen-passenger electric airliner designed with an operating range of 400 km, aiming to reduce fuel and maintenance costs compared to traditional aircraft while emitting zero operational emissions. Heart Aerospace targets commercial operation certification for the ES-19 by 2026.
Avianca
Post in 2020
Avianca is a prominent Latin American airline brand that operates under Avianca Holdings SA, serving as a holding company for several airlines, including Aerovías del Continente Americano (Avianca), Tampa Cargo, and others across the region. With a workforce of over 19,000 employees, Avianca is recognized for its commitment to service excellence. The airline provides passenger and cargo transport services to more than 108 destinations in 26 countries across America and Europe. Its operations are supported by a modern fleet of 189 aircraft designed for short, medium, and long-haul flights. In addition to passenger services, Avianca engages in freight transport and offers related air transport services, including maintenance and engineering support for other carriers.
Westwind School of Aeronautics, Phoenix
Acquisition in 2020
Westwind School of Aeronautics, located in Phoenix, Arizona, specializes in comprehensive flight training for aspiring pilots. The institution offers a range of programs, including professional diploma courses for private, commercial, and airline pilots, as well as customized training options. Notably, Westwind features a dual degree program that allows students to earn a bachelor's degree concurrently with their flight training at affiliated colleges and universities. The school is committed to student employment, guaranteeing job placements for graduates of its Airline Pilot Direct Track and Flight Instructor Direct programs. To accommodate diverse student needs, Westwind provides flexible scheduling options and financial assistance, including support for veterans. Additionally, the school offers aircraft rental services, allowing students to gain experience in various flight conditions. Prospective students can easily apply through the Westwind website.
CLEAR
Corporate Round in 2019
CLEAR, the secure identity company, uses biometrics to build a connected world that’s smarter and more secure. It links identity with different information sets, including credit cards, tickets to the game, reservations, frequent flyer numbers, flight manifests, health care identification, driver's licenses, and passports. CLEAR's data security framework meets the highest standards for performance and for protecting sensitive information — FISMA High- and SAFETY Act-certified by the Department of Homeland Security. CLEAR's users are always in control of their data and do not sell user information. CLEAR was founded by Caryn Seidman-Becker and Ken Cornick in November 2010 and is based in New York, United States.
Fulcrum BioEnergy
Venture Round in 2015
Fulcrum BioEnergy is a company based in Pleasanton, California, founded in 2007 by E. James Macias and Jim McDermott. It specializes in converting municipal solid waste (MSW) into low-carbon transportation fuels such as jet fuel, diesel, and ethanol. The company uses a proprietary thermochemical process to transform sorted, post-recycled MSW into ethanol using conventional commercial systems and alcohol synthesis processes. Fulcrum BioEnergy designs, develops, owns, and operates facilities for this conversion and has a strategic partnership with Marubeni Corporation. Its mission is to create a clean, low-cost, and sustainable source of domestic transportation fuel, reducing dependence on imported oil.
BCKSTGR Media
Seed Round in 2012
BCKSTGR Media is a technology company that specializes in providing an engagement platform designed to help brands and businesses reward consumers instantly. The platform enables users to earn virtual currency through targeted interactions with brands, which can then be redeemed for experiential rewards and high-value entertainment. BCKSTGR Media's solutions include online loyalty rewards and gamification elements that not only enhance consumer engagement but also gather valuable data intelligence and behavioral insights. This information supports predictive analytics and real-time marketing campaigns, allowing brands to effectively connect with today's mobile and socially connected consumers. Acquired in 2014, BCKSTGR Media continues to maintain significant partnerships, enhancing its offerings in the digital rewards landscape.
MyPoints.com
Acquisition in 2001
MyPoints.com, Inc., headquartered in San Francisco, California, is a direct marketing services provider that offers online consumers the opportunity to earn rewards through various activities such as shopping, completing surveys, watching videos, and using coupons. These rewards can be redeemed for gift cards, travel miles, prepaid cards, or charitable donations. The company's services also provide businesses with tools for online customer acquisition and retention. MyPoints.com operates as a subsidiary of Prodege, LLC.
Twelve
Twelve, formerly known as Opus 12, is a Berkeley, California-based company that specializes in recycling carbon dioxide emissions into valuable chemicals and fuels. Founded in 2015, the company has developed innovative technology that can be integrated with any source of CO₂ emissions. By utilizing only water and electricity as inputs, Twelve transforms captured carbon dioxide into essential products such as methane, ethylene, and ethanol. The firm aims to provide a cost-competitive alternative to petroleum-derived chemicals and fuels, thereby addressing carbon emissions while simultaneously creating economically viable solutions.
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