# Clearsign Technologies Corporation (CLIR)

**Exchange:** NASDAQ  
**Sector:** Industrials  
**Market cap:** $23M  
**Price:** $4.19 (+0.72%)

> ClearSign Technologies Corporation designs and develops products and technologies for decarbonization and improving key performance characteristics of industrial and commercial systems, including operational performance, energy efficiency, emission reduction, safety, the use of hydrogen as a fuel, and overall cost-effectiveness. Its patented technologies, such as ClearSign Core burner technology featuring an industrial burner body with a downstream porous ceramic or metal flame stabilizing structure, ClearSign Core process burner technology as a direct replacement for traditional refinery process heaters, ClearSign Core boiler burner technology, ClearSign Core flaring burners for low nitrogen oxide emissions, and ClearSign Eye flame sensor for industrial applications, are embedded in established OEM products. The company serves the energy sector including upstream oil production and downstream refining, commercial and industrial boiler, chemical, petrochemical, transport, and power industries in the United States, the People’s Republic of China, and Hong Kong. Founded in 2008 and headquartered in Tulsa, Oklahoma, ClearSign Technologies Corporation provides combustion and sensing solutions that enhance performance of combustion systems and fuel safety systems.

## Income Statement (Annual, USD)

| Fiscal Year | Revenue | Gross Profit | Operating Income | Net Income | EPS (dil.) |
| --- | --- | --- | --- | --- | --- |
| 2025 | $5M | $1M | -$7M | -$5M | — |
| 2024 | $4M | $1M | -$6M | -$5M | — |
| 2023 | $2M | $817,000 | -$6M | -$5M | — |
| 2022 | $374,000 | $116,000 | -$6M | -$6M | — |
| 2021 | $607,000 | -$452,000 | -$8M | -$8M | — |
| 2020 | — | -$279,000 | -$7M | -$7M | — |
| 2019 | — | -$1,000 | -$9M | -$8M | — |
| 2018 | $530,000 | $103,000 | -$10M | -$10M | — |
| 2017 | $540,000 | $160,000 | -$10M | -$10M | — |
| 2016 | $621,000 | $136,000 | -$11M | -$11M | — |
| 2015 | $61,000 | $11,000 | -$8M | -$8M | — |
| 2014 | — | — | -$7M | -$7M | — |

## Balance Sheet (Annual, USD)

| Fiscal Year | Total Assets | Total Liabilities | Equity | Cash | Long-term Debt |
| --- | --- | --- | --- | --- | --- |
| 2025 | $12M | $3M | $10M | $9M | — |
| 2024 | $16M | $3M | $14M | $14M | — |
| 2023 | $8M | $2M | $5M | $6M | — |
| 2022 | $11M | $1M | $10M | $6M | — |
| 2021 | $9M | $1M | $8M | $8M | — |
| 2020 | $11M | $2M | $10M | $9M | $251,000 |
| 2019 | $11M | $2M | $9M | $9M | — |
| 2018 | $19M | $2M | $17M | $9M | — |
| 2017 | $4M | $2M | $2M | $1M | — |
| 2016 | $4M | $2M | $2M | $1M | — |
| 2015 | $14M | $2M | $13M | $11M | — |
| 2014 | $5M | $2M | $3M | $2M | — |

## Cash Flow (Annual, USD)

| Fiscal Year | Operating Cash Flow | CapEx | Free Cash Flow |
| --- | --- | --- | --- |
| 2025 | -$5M | $4,000 | -$5M |
| 2024 | -$4M | $39,000 | -$4M |
| 2023 | -$3M | — | — |
| 2022 | -$5M | $10,000 | -$5M |
| 2021 | -$7M | $73,000 | -$7M |
| 2020 | -$6M | $17,000 | -$6M |
| 2019 | -$7M | $20,000 | -$7M |
| 2018 | -$8M | $94,000 | -$8M |
| 2017 | -$8M | $94,000 | -$8M |
| 2016 | -$9M | $137,000 | -$9M |
| 2012 | -$3M | $337,000 | -$4M |
| 2011 | -$2M | $131,000 | -$2M |

Source: [CompaniesByCap](https://companiesbycap.com/company/CLIR)