The list of some of the companies that do research or manufacture liquid biofuels (alcohols- ethanol, methanol, butanol; biodiesels) from all sources (algae, crops, cellulosic materials and energy crops) are as follows:

Solazyme - A synthetic biology company working in the algal biodiesel, industrial chemical, and specialty ingredient markets.

Poet - A US company that claims to be the World’s largest producer of ethanol

Iogen - Biotechnology company, involved in the manufacture of industrial enzymes for the pulp and paper, textile and animal feed industry.

Joule Biotechnologies - Produces liquid biofuel from Sun

Codexis - creates "super enzymes" that can lead to commercial scale solutions.

IneosBio

Renewable Energy Group - A biodiesel manufacturing company

Rentech

Balboa Pacific Corporation - Waste to Energy Conversion company

Verenium - Working to produce cellulosic ethanol from items such as sugarcane bagasse, agricultural waste, and wood products.

Praj Industries - a global Indian company that offers innovative solutions to significantly add value in bio-ethanol, bio-diesel, brewery plants and process equipment & systems for customers, worldwide.

Neste Oil - An independent top-tier base oil supplier, offering optimized technical solutions to the global lubricant manufacturing industry.

Ceres

Cobalt Biofuels - Cobalt Technologies is a leading developer of innovative technologies that enable the next generation of biofuels.

OriginOIl - developing technology that will transform algae, into a true competitor to petroleum.

Valero Energy Corporation - A Fortune 500 company based in San Antonio. Refines and market petroleum and runs ethanol processing plants.

EdeniQ- Delivering clean, affordable Cellulosic biofuels

PetroAlgae- A Florida-based leading renewable energy company.

Bionavitas - Innovations for efficient growth of Algae for biofuels, neutraceuticals and environmental remediation.

Ensyn -Ensyn is the world leader in the production of bio-oil produced from pyrolysis of renewable feedstocks.