Marquis Inc
Marquis Energy produces homegrown ethanol for cleaner air and more affordable fuel.
151 employees · est. 2008 · United States
Prometheus
Prometheus is transforming the future of energy, using breakthrough technology to store electricity as liquid fuels
43 employees · est. 2019 · Santa Cruz, United States
Marquis Inc is the older company (2008 vs 2019); Marquis Inc is the larger of the two.
7 signals in the last 90 days
Side-by-Side Comparison
| Metric | Marquis Inc | Prometheus |
|---|---|---|
| Founded | ||
| Founded | 2008 older | 2019 |
| Headquarters | ||
| Headquarters | United States | Santa Cruz, United States |
| Employees | ||
| Employees | 151 larger | 43 |
| Industry | ||
| Industry | Energy, Manufacturing, Renewable Energy | Oil and Gas |
| Funding Stage | ||
| Funding Stage | Grant | Series B |
| Total Funding | ||
| Total Funding | $8.55M | $150.00K |
| Funding Rounds | ||
| Funding Rounds | 1 | 3 |
| Services | ||
| Services | Not tracked yet | Not tracked yet |
| Target Customers | ||
| Target Customers | Not tracked yet | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Ethanol Production, Sustainable Fuel, Biofuel Industry, Energy Manufacturing, Clean Energy, Ethanol Distribution, Environmentally Friendly Fuel, Renewable Fuel, Low-carbon Fuel, Ethanol Company, Bioenergy Industry | Carbon-neutral Fuel, Sustainable Energy, Climate Change Solution, Renewable Electricity, Carbon Capture, Alternative Fuel, Clean Energy, Carbon Emission Reduction, Oil And Gas Innovation |
| Website | ||
| Website | marquisinc.com | prometheusfuels.com |
About Marquis Inc
Marquis Energy is a prominent player in the energy industry, striving to produce homegrown ethanol for cleaner air and more affordable fuel. Established in 2008, it began as a 100 million gallon per year Fagen-ICM ethanol facility and has since experienced remarkable growth. In 2015, the company com...
About Prometheus
Prometheus, founded in 2019, is at the forefront of revolutionizing the Oil and Gas industry. By transforming renewable electricity and atmospheric CO2 into zero net carbon fuels, the company aims to pave the way for a cleaner energy future. Their innovative process creates zero net carbon gasoline,...
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Funding, hiring, leadership and stack changes at Marquis Inc and Prometheus — by email.
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Compiled from the BounceWatch company index. We last looked at Marquis Inc on 12 Sep 2024, and Prometheus on 21 Aug 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.