Subsidiaries

Our Portfolio Companies

GTI International, Inc. (GTII) is a holding company and wholly owned subsidiary of GTI. Through GTII, GTI is investing in an efficient, clean energy future to meet ever-escalating energy, operational, and environmental challenges.

We combine capital, technical expertise, infrastructure, and access to GTI’s global network of partners and customers, advanced laboratories, unrivaled training, and resources to help companies expand and grow.

GTI International Subsidiaries

Frontier Energy, Inc. is a professional services firm with a long history of providing solutions to encourage the intelligent use of energy. The firm’s expertise includes demand-side management, software development, building research and consulting, commercial foodservice efficiency, and advanced transportation and power. With offices in California, Minnesota, Texas, and New York, Frontier staff work closely with utility, government, industrial, and commercial clients to build a secure and sustainable energy future.

Projeo Corporation, established in 2022 as a wholly-owned subsidiary of GTI International, delivers geotechnical and operational/management services for public and private clients engaged in oil, gas, geothermal, and COstorage projects. The Projeo team combines decades of experience, a broad subject matter expertise network, and rigorous processes to ensure optimal project execution

SunGas Renewables (SGR), Inc. was established in 2019 as a wholly-owned subsidiary of GTI International that deploys large-scale proven commercial technologies to optimize production of renewable natural gas (RNG), hydrogen, and liquid transportation biofuels from wood waste. SunGas gasification systems are based on pressurized fluidized bed technology originally developed by GTI, which has been deployed commercially around the globe. The systems produce a clean, tar-free syngas, which is critical for the effective and successful production of renewable low-carbon products.

GTI Energy Subsidiary

To accelerate disruptive technology innovation needed to achieve deep decarbonization, Rev Innovations Inc., was incorporated as a benefit corporation and wholly owned subsidiary of GTI Energy in June 2021. This bold new platform will provide a collaborative vehicle for investing in, demonstrating, and scaling technology-based businesses that enable low-carbon, low-cost energy systems.

Rev will serve as a proving ground to scale integrated solutions for gases, liquids, and infrastructure, invest in promising early-stage businesses, and provide industry-leading technical expertise and test facilities to unlock greater impact and accelerate technology deployment timelines to meet net zero emissions commitments.

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