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US Department of Energy Portfolio Companies

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

Last updated: July 2026

US Department of Energy Investment Overview

Portfolio Companies
434
Total Invested
$17.3B
Average Investment
$74.7M

US Department of Energy's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Simonpietri Enterprises2024Grant$1.1MKailua
Ocean Motion Technologies2024Grant$1.1MMonroe Township
Theia Scientific2024Grant$1.1MArlington
DELPHIRE2024Grant$650KPasadena
Ozark Integrated Circuits2024Grant$1.1MFayetteville
Wildlife Imaging Systems2024Grant$1.1MHinesburg
WeNeW Carbology2024Grant$1.1MCharlottesville
Carbon To Stone2024Grant$1.6MIthaca
Willamette Technical Fabricators2024Grant$1.1MVancouver
Veracity Nuclear2024Grant$1.1MLenoir City

Complete List of US Department of Energy Portfolio Companies (434)

Export
#CompanyStageAmountLocation
276Simonpietri EnterprisesGrant$1.1MKailua, United States
277Ocean Motion TechnologiesGrant$1.1MMonroe Township, United States
278Theia ScientificGrant$1.1MArlington, United States
279DELPHIREGrant$650KPasadena, United States
280Ozark Integrated CircuitsGrant$1.1MFayetteville, United States
281Wildlife Imaging SystemsGrant$1.1MHinesburg, United States
282WeNeW CarbologyGrant$1.1MCharlottesville, United States
283Carbon To StoneGrant$1.6MIthaca, United States
284Willamette Technical FabricatorsGrant$1.1MVancouver, United States
285Veracity NuclearGrant$1.1MLenoir City, United States
ConsultingWaste Management

Simonpietri Enterprises providing innovative technology and business consulting services.

Kailua, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

Big DataCloud Data ServicesEnvironmental EngineeringInformation TechnologyInternet of ThingsManufacturingMarine Technology

Ocean Motion is a tech firm manufacturing power modules and a complementary suite of hardware and software to power the blue economy

Monroe Township, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyIndustrial AutomationTest and Measurement

Theia Scientific is a platform for automating scientific and engineering workflows with AI and Machine Learning technologies.

Arlington, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

ElectronicsEnvironmental ConsultingEnvironmental Engineering

Delphire is a powerline monitoring system that solves problems by enabling automated, frequent, and cheap inspection of lines.

Pasadena, United States
August 2024
$650K
Grant

Founder Contacts

19,000+ verified contacts

ElectronicsManufacturingSensor

Ozark Integrated Circuits provides design techniques, modeling and design tools for integrated circuits and systems.

Fayetteville, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

Image RecognitionMachine LearningMotion CaptureVideo

Wildlife Imaging Systems develops a machine vision platform to help the research community conserve wildlife through video capture.

Hinesburg, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

AgricultureConstructionManufacturingMining

WeNeW Carbology produces diesel sustainably, with zero net greenhouse gas emissions.

Charlottesville, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

B2BCleanTechEnvironmental Consulting

Carbon To Stone Lock Atmospheric Carbon Into Stone, For Good. Carbon mineralization occurs naturally.

Ithaca, United States
August 2024
$1.6M
Grant

Founder Contacts

19,000+ verified contacts

IndustrialManufacturingMechanical Engineering

Willamette Technical Fabricators provides a wide range of welding, lathe turning, painting, machinery assembly, and fabrication services.

Vancouver, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

ElectronicsSoftware

Veracity Nuclear specializes in nuclear reactor software and engineering analysis services for the nuclear power industry.

Lenoir City, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

ManufacturingRetailShopping

Creekside Environmental Products manufactures environmentally friendly solutions including food, beverage, and personal care.

Starkville, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

XUV Lasers is a technology designed to specialize in the development of compact ultraviolet lasers and ultraviolet optical systems.

Fort Collins, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

AerospaceDrone ManagementDrones

Pitch Aeronautics is an aviation and aerospace tech company that offers drone for installations, maintenance, and up-close inspections.

Boise, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyIndustrial

Quantitative BioSciences develops customized living sensors for the continuous monitoring of water.

San Diego, United States
August 2024
$1.1M
Grant

Founder Contacts

19,000+ verified contacts

Marathon Fusion designs, engineers and scales next-generation technologies to enable the deployment of fusion power plants.

San Francisco, United States
August 2024
Grant

Founder Contacts

19,000+ verified contacts

Clean EnergyCleanTechEnergy StorageOil and Gas

Power to Hydrogen develops advanced AEM electrolyzers that integrate with renewables while eliminating precious, expensive metals.

Columbus, United States
August 2024
$18.0M
Series A

Founder Contacts

19,000+ verified contacts

AerospaceAir TransportationElectric VehicleManufacturing

Wright Electric is a leader in the future of sustainable, lower emissions air travel.

Albany, United States
August 2024
$3.3M
Grant

Founder Contacts

19,000+ verified contacts

IndustrialIndustrial AutomationIndustrial ManufacturingMachinery ManufacturingManufacturing

Re:Build is an industrial manufacturing company that integrates advanced technologies with traditional manufacturing processes​.

Framingham, United States
August 2024
$120.0M
Series Unknown

Founder Contacts

19,000+ verified contacts

CommercialRenewable EnergyResidentialTransportation

The Appalachian Regional Clean Hydrogen Hub's mission is to provide an interconnected, full value chain H2Hub solution.

Morgantown, United States
July 2024
$925.0M
Grant

Founder Contacts

19,000+ verified contacts

ConsumerIndustrialIndustrial Manufacturing

AeroShield is a B2B startup that develops super-insulating transparent materials.

Cambridge, United States
July 2024
$5.0M
Seed

Founder Contacts

19,000+ verified contacts

Clean EnergyFuel CellRenewable Energy

Pacific Northwest Hydrogen Association aims to enhance lives by establishing a clean hydrogen ecosystem throughout the Pacific Northwest.

Seattle, United States
July 2024
$27.5M
Grant

Founder Contacts

19,000+ verified contacts

ElectronicsEnergyEnergy ManagementSensor

Sensible Photonics develops low-cost fiber optic sensing technologies for the monitoring of grid equipment and energy storage solutions.

Pittsburgh, United States
July 2024
$600K
Grant

Founder Contacts

19,000+ verified contacts

Electrical DistributionEnergySolar

Latimer Controls provides an embedded control software solution for power controls.

Denver, United States
July 2024
Non Equity Assistance

Founder Contacts

19,000+ verified contacts

ElectronicsMachinery Manufacturing

AtmosZero is a modular electrified boiler that converts the heat already present in the air into decarbonized steam.

Fort Collins, United States
July 2024
$250K
Grant

Founder Contacts

19,000+ verified contacts

BatteryCleanTechElectric VehicleElectronicsEnergyEnergy Storage

Circularity platform that streamlines electric vehicle battery assessment, integration, and reuse.

Carlsbad, United States
July 2024
$10.0M
Grant

Founder Contacts

19,000+ verified contacts

Showing 276-300 of 434 portfolio companies

Frequently Asked Questions About US Department of Energy

How many companies has US Department of Energy invested in?

US Department of Energy has invested in 434 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does US Department of Energy invest in?

US Department of Energy's top investment sectors include Manufacturing, Electronics, Industrial, CleanTech, Energy. The firm invests across 50 different industry categories.

What is US Department of Energy's largest investment?

Among tracked funding rounds, The Appalachian Regional Clean Hydrogen Hub received $925.0M in a Grant round. US Department of Energy's total known invested capital is $17.3B.

What is the average investment size for US Department of Energy?

US Department of Energy's average investment size is $74.7M across its portfolio of 434 companies.

What are US Department of Energy's most recent investments?

Recent US Department of Energy portfolio additions include Simonpietri Enterprises, Ocean Motion Technologies, Theia Scientific, DELPHIRE, Ozark Integrated Circuits. These companies were founded in 2020 or later.

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