Direct Air Capture Directory
Avnos, Inc.
Integrating water at the heart of its technology, Avnos is rewriting the water–energy equation to scale Direct Air Capture (DAC) economically, responsibly, and sustainably. Its novel Hybrid Direct Air Capture (HDAC™) technology generates clean water as it captures CO₂ and eliminates the need for external heat input, resulting in the most resource-efficient, geographically flexible, and cost-effective approach to DAC at scale. Avnos is advancing multi-million-dollar projects with Shell, Mitsubishi Corporation, the Office of Naval Research, and the U.S. Department of Energy, demonstrating HDAC’s potential to deliver scalable, revenue-generating carbon removal solutions across multiple industries. Learn more at www.avnos.com.
Brentwood Industries, Inc.
Brentwood is a leading provider of thermoformed plastic solutions to a wide variety of consumer, manufacturing, and environmental industries. With diverse production capabilities, engineering expertise, and a focus on innovation, Brentwood applies a team approach to solve the challenges facing our customers. Brentwood offers a complete product portfolio of high-performance tower internals for mass transfer applications. Our structured packings and mist eliminators have been used extensively in various industrial settings.
Dalum Equipment
We specialize in cutting-edge CO2 separation, purification and liquefaction systems. Our CO2 liquefaction plants are modular, fully integrated systems that support pilot projects and commercial-scale deployments. From CO2 purification to CO2 compression and liquefaction, we deliver turnkey solutions for a wide range of industries, including emerging direct air capture technology providers.
Eidon LLC
Eidon LLC is an applied technology company specializing in biomimetic engineering and intellectual property development for next-generation environmental and fluid-interface systems. The company’s core focus is on translating biological principles into engineered capture cycles and interfaces that depart from conventional sorbent and thermal swing architectures. Eidon’s flagship innovation is an issued U.S. patent (No. 12,521,671 B1) covering a biomimetic CO₂ capture cycle based on structured, tension-regulated aqueous films inspired by plant mesophyll gas exchange. This method combines interfacial tension-mediated uptake with high, low-pressure-accessible surface area, enabling non-thermal regeneration and reduced air-handling energy intensity compared to traditional capture systems. In addition to patent development, Eidon conducts proof-of-concept experimentation and engineering validation to demonstrate foundational mechanism behavior, transport characteristics, and system integration pathways. The company collaborates with research institutions, industrial partners, and technology developers to advance scalable demonstrations and co-development efforts.
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