Bioleum

What Bioleum does

Bioleum Corporation is a privately held U.S. biotechnology company that converts lignocellulosic biomass — including wood waste, forestry thinnings, agricultural residues, and purpose-grown energy crops — into low-carbon transportation fuels, bio-intermediates, and specialty chemicals. The company was launched in May 2025 as a spin-off of Comstock Inc.'s renewable fuels segment, with a $20 million strategic investment from Comstock and headquarters in Oklahoma City, OK. Bioleum's platform selectively fractionates biomass into its three main building blocks (cellulose, hemicellulose, and lignin), producing clean, high-purity streams rather than a mixed slurry, which the company claims enables industry-leading yields and low processing costs. Core outputs include cellulosic ethanol, sustainable aviation fuel (SAF), renewable gasoline and diesel blendstocks, bio-intermediates for refineries, and specialty chemical feedstocks.

The underlying technology stack combines proprietary selective fractionation know-how with licensed IP from MIT and NREL (lignin-to-jet-fuel pathways) and the December 2025 acquisition of RenFuel K2B AB's patent portfolio, which adds a catalytic esterification process for refining bio-intermediates. In parallel, Bioleum acquired Hexas Biomass Inc. in December 2025 to secure a high-yield, purpose-grown feedstock supply. The company operates feedstock and bio-intermediate pilot facilities in Wausau, WI and a hydroprocessing pilot facility in Madison, WI, while advancing its first commercial-scale facility in Oklahoma City.

Bioleum's go-to-market targets four verticals — petroleum refineries, ethanol producers, pulp and paper mills, and forestry/agriculture — emphasizing drop-in compatibility with existing hydrotreaters, tanks, docks, and rail infrastructure so customers can lower carbon intensity without replacing current operations. Revenue mechanics appear to rest on direct industrial integration (selling bio-intermediates and blendstocks) supplemented by technology licensing, with monetization enhanced by qualification under EPA Renewable Fuel Standard (RFS) pathways and the generation of D3 cellulosic RINs. Pricing is not publicly disclosed, and the company remains in pre-commercial pilot operations with revenue figures undisclosed in available sources.

Name

Bioleum

Legal name

Bioleum Corporation

Website

https://bioleum.com

Company type

Private

Founded year

2025

Operating status

Operating

Headcount range

11–50 employees

Short description

Bioleum is a U.S. biotechnology company, spun off from Comstock Inc. in 2025, that selectively fractionates lignocellulosic biomass into cellulose, hemicellulose, and lignin to produce cellulosic ethanol, sustainable aviation fuel, renewable diesel/gasoline blendstocks, and bio-intermediates for refineries, ethanol plants, pulp mills, and biomass suppliers.

Ownership category

akta.pro rank

Product category

Renewable Fuels

NAICS

Ethyl Alcohol Manufacturing (325193)

SIC

Pulp Mills (2611)

akta.pro primary industry

Cellulosic Biofuels & Renewable Fuels (2G ethanol, SAF intermediates) (IMAMALAA)

akta.pro secondary industries

Biorefinery Technology & Contract Processing (fractionation, tolling, scale-up) (IMAMALAL), Biochemicals & Bio-based Platform Chemicals (cellulose sugars, lignin derivatives, organic acids) (IMAMALAB)

Keywords

• Cellulosic ethanol production
• Biomass conversion technology
• Sustainable aviation fuel
• Bio-intermediates blendstocks
• Lignocellulosic fractionation

Headquarters

HQ city

Oklahoma City

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Operations, Personnel, Infrastructure

Distribution channels2 records

Marketing channels4 records

Core offering

Bioleum operates a biomass conversion platform that selectively fractionates lignocellulosic biomass (wood waste, forestry thinnings, agricultural residues, and energy crops) into clean, high-purity streams of cellulose, hemicellulose, and lignin. These streams are further processed into cellulosic ethanol, renewable gasoline and diesel, sustainable aviation fuel (SAF), bio-intermediates and blendstocks, and specialty chemicals for sale to refineries, ethanol plants, and pulp and paper mills.

Product overview

Bioleum is a technology platform that converts lignocellulosic biomass into low-carbon fuels and biochemicals. The platform selectively fractionates sustainably sourced biomass (wood waste, forestry thinnings, agricultural residues, and dedicated energy crops) into three main building blocks: cellulose, hemicellulose, and lignin. The core product portfolio includes Cellulosic Ethanol, Gasoline & Diesel, Sustainable Aviation Fuel, Bio-intermediates & Blendstocks, and Materials & Specialty Chemicals. The company operates two feedstock types: Waste Biomass (RFS-compliant crop residue, forestry waste, fire-risk material) and Purpose Grown Biomass (e.g., Hexas Biomass). Bioleum integrates with petroleum refineries, ethanol plants, pulp & paper mills, and forestry/agriculture operations.

Differentiator

Problem solved

Functional benefit

Products and services

• Cellulosic Ethanol Sustainable ethanol produced from cellulosic feedstocks through Bioleum's proprietary fractionation and biochemical conversion processes, sold to ethanol producers seeking cellulosic credit (D3 RIN) revenue.
• Gasoline & Diesel Ultra-low-carbon renewable gasoline and diesel fuels produced from biomass intermediates and drop-in compatible with existing refinery infrastructure, sold to petroleum refineries to reduce fleet carbon intensity.
• Sustainable Aviation Fuel Renewable jet fuel produced from biomass-derived intermediates, enabling carbon-neutral air travel and meeting aviation sustainability goals for fuel blenders and airlines.
• Bio-intermediates & Blendstocks High-value refinery-ready intermediates including HDO feed that enhance existing refinery operations and fuel blending capabilities, processed by refineries using existing hydrotreaters, tanks, and docks.
• Materials & Specialty Chemicals High-performance materials and specialty chemical feedstocks derived from biomass fractionation, sold to industrial chemical buyers.

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Five partnerships are on record, tiered core.

• Hexas Biomass Inc.coreStrategic or Co-development PartnerBioleum acquired Hexas Biomass Inc. in December 2025 for approximately $6.5 million. Hexas develops purpose-grown energy crops with ultra-high yields for biomass production. The acquisition accelerates commercialization of biofuel and biobased technologies.
• RenFuel K2B ABcoreTechnology or IntegrationBioleum acquired substantially all patents and IP assets of RenFuel K2B AB in December 2025 for $18.1 million. The acquisition includes a catalytic esterification process for refining biointermediates, with a contingent earn-out of 3% of lignin ester production revenues capped at $11.9 million.
• Marathon PetroleumcoreStrategic or Co-development PartnerMarathon Petroleum completed financing with Comstock Fuels in March 2025, supporting the renewable fuels business. Marathon is a strategic partner for technology validation and potential market access.
• NRELcoreTechnology or IntegrationNational Renewable Energy Laboratory licensed technology to Comstock Fuels (now Bioleum) for producing jet fuel from lignin. NREL is a key technology partner providing research capabilities and validation.
• MITcoreTechnology or IntegrationMassachusetts Institute of Technology licensed technology to Comstock Fuels (now Bioleum) for producing jet fuel from lignin. MIT is a key technology licensor providing foundational intellectual property.

Scale indicators4 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Vertimass: Vertimass develops catalytic technology to convert biomass-derived ethanol into gasoline, diesel, and jet fuel blendstocks. Directly comparable to Bioleum in targeting hydrocarbon fuel intermediates from renewable feedstocks via proprietary catalysis.
• LanzaTech: LanzaTech uses gas fermentation to convert waste gases (and increasingly biomass-derived syngas) into ethanol and SAF. Targets the same low-carbon fuel and SAF markets as Bioleum and competes for refining and aviation off-take partnerships.
• Gevo: Gevo develops renewable gasoline, jet fuel (SAF), and isobutanol from biomass feedstocks. Competes directly with Bioleum in SAF, renewable diesel, and cellulosic ethanol pathways, including leveraging D3 RIN-eligible cellulosic credit streams.
• Aemetis: Aemetis operates cellulosic ethanol and renewable diesel/SAF production using biomass feedstocks. Directly comparable to Bioleum in deploying biomass-to-fuels pathways aimed at RFS credits and low-CI transportation fuels.
• Renmatix: Renmatix developed supercritical water-based fractionation of lignocellulosic biomass into sugars and lignin for biofuels and chemicals. Closely comparable to Bioleum's selective fractionation platform in both process concept and target downstream markets.
• Velocys: Velocys produces sustainable aviation fuel (SAF) via Fischer-Tropsch conversion of biomass and waste-derived syngas. Targets the same SAF end market as Bioleum with comparable regulatory and RIN-credit drivers.

Emerging players

• SunFire: SunFire produces e-fuels and synthetic biofuels from biomass and green hydrogen. Comparable to Bioleum's drop-in renewable diesel/SAF ambitions though using a different (electrolysis-based) feedstock pathway.

Broad incumbents

• Praj Industries: Praj Industries is an established process technology licensor for ethanol and biofuel plants globally, including cellulosic ethanol. Comparable to Bioleum as a biorefinery technology provider with overlapping customer base in ethanol producers and refining.
• ICM (Incobrasa Industries / ICM): ICM provides ethanol plant engineering and technology, including cellulosic ethanol process packages (Fiber Separation Technology). Directly comparable to Bioleum's ethanol-plant bolt-on cellulosic platform for existing corn ethanol facilities.

Others

• Marathon Petroleum: Marathon Petroleum is a strategic partner and financing counterparty for Bioleum, not a peer, but as the largest US refiner it represents both the primary customer archetype and a potential large-scale off-taker of Bioleum bio-intermediates.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/bioleum-corporation
• Instagraminstagram.com/bioleumcorp

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds1 record

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Bioleum