What is LongPath?
Founded in 2018 and headquartered in Boulder, Colorado, LongPath Technologies specializes in the deployment of Frequency Comb Laser technology. This proprietary innovation, rooted in research from the University of Colorado and NIST, allows for the continuous, long-distance detection of methane, carbon dioxide, and hydrogen sulfide. By identifying the unique molecular fingerprints of these gases, LongPath provides industrial operators with actionable data that is both cost-effective and field-hardened. The company occupies a unique niche at the intersection of deep-tech climate science and industrial operational efficiency, offering a scalable solution for methane leak detection that is essential for modern ESG compliance and environmental stewardship.
How much funding has LongPath raised?
LongPath has raised a total of $22M across 1 funding round:
Series A
$22M
Series A (2022): $22M with participation from Buff Gold Ventures, ProFrac, and White Deer
Key Investors in LongPath
Buff Gold Ventures
An investment firm focused on supporting high-growth technology ventures with strong ties to the University of Colorado ecosystem.
ProFrac
A Texas-based pressure pumping and energy services provider that delivers specialized equipment and manufacturing solutions to the oil and gas industry.
White Deer
A private equity firm specializing in the energy sector, providing capital and strategic guidance to companies driving industrial innovation.
What's next for LongPath?
With the infusion of $22M, LongPath is well-positioned to accelerate its commercial deployment and scale its manufacturing capabilities. The strategic focus will likely shift toward expanding the footprint of its laser-based monitoring networks across major energy infrastructure corridors. As regulatory pressure regarding methane emissions intensifies globally, the company's ability to provide continuous, real-time monitoring offers a distinct competitive advantage. Future growth will likely involve deepening partnerships with energy sector incumbents to integrate LongPath's detection systems into existing operational workflows, thereby solidifying its role as a standard-bearer for industrial emissions transparency and mitigation.
See full LongPath company page
