ClearSign Technologies Corporation (CLIR) Stock

NASDAQ: CLIRDeveloper of technologies that aim to improve energy efficiency and emissions control.

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ClearSign Technologies revenue & net income

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ClearSign Technologies annual financials

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ClearSign Technologies Corporation revenue, net income and EPS by fiscal year
Fiscal yearRevenueNet incomeEPS
FY2025$5.2M-$5.5M—
FY2024$3.6M-$5.3M—
FY2023$2.4M-$5.2M-$1.12
FY2022$374,000-$5.8M-$0.88
FY2021$607,000-$7.9M-$2.61

Fiscal year ending December 31. Source: company filings via EODHD.

About ClearSign Technologies Corporation

ClearSign Technologies Corporation, based in Tulsa, Oklahoma, specializes in the design and development of innovative products and technologies aimed at improving operational performance, enhancing energy efficiency, reducing emissions, ensuring safety, and optimizing cost-effectiveness across industrial and commercial systems. The company operates primarily in the United States and the People's Republic of China, catering to a diverse clientele that includes the energy, institutional, commercial and industrial boiler, chemical, and petrochemical industries.

ClearSign Technologies Corporation's flagship solutions include the ClearSign Core Burner Technology, featuring an industrial burner body integrated with a downstream porous ceramic structure or metal flame stabilizing device. The company's proprietary ClearSign Core Plug & Play technology offers a direct replacement for traditional refinery process heaters, while the ClearSign Eye Flame Sensor provides advanced electrical flame sensing capabilities for industrial applications. Additional offerings encompass the ClearSign Core Boiler Burner and ClearSign Core Flaring Burners technologies, demonstrating its commitment to advancing combustion efficiency and environmental sustainability.

Established in 2008 as ClearSign Combustion Corporation and rebranded in November 2019, ClearSign Technologies Corporation continues to innovate within the field of combustion and emissions control. Headquartered in Tulsa, the company remains at the forefront of technological advancement, driving forward solutions that meet stringent regulatory standards and address evolving industry challenges. ClearSign Technologies Corporation's ongoing dedication to research and development underscores its leadership in enhancing operational efficiencies and promoting cleaner, more sustainable industrial practices globally.

ClearSign Technologies stock FAQ

What is the ClearSign Technologies stock ticker symbol?

ClearSign Technologies Corporation trades on the NASDAQ under the ticker symbol CLIR.

What sector and industry is ClearSign Technologies in?

ClearSign Technologies Corporation is classified in the Industrials sector, Pollution & Treatment Controls industry.

How many employees does ClearSign Technologies have?

ClearSign Technologies Corporation has about 16 full-time employees.

What were ClearSign Technologies's revenue and earnings last fiscal year?

ClearSign Technologies reported revenue of $5.2M and net income of -$5.5M in fiscal 2025. Revenue grew 45.6% from the prior year.

When did ClearSign Technologies go public?

ClearSign Technologies stock began trading on April 25, 2012.

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