What is ClearSign Technologies Corporation's market cap?

ClearSign Technologies Corporation (CLIR) has a market capitalization of $25.1M and trades on NASDAQ.

Who are ClearSign Technologies Corporation's competitors?

ClearSign Technologies Corporation's key competitors include Callidus, Linde, Fuel Tech, Inc., and others. These companies compete in similar markets and product categories.

Who does ClearSign Technologies Corporation partner with?

ClearSign Technologies Corporation's notable partners include Zeeco Inc., California Boiler, Narion Corporation, and others.

What subsidiaries does ClearSign Technologies Corporation have?

ClearSign Technologies Corporation's subsidiaries include ClearSign Asia Limited, ClearSign Combustion (Beijing) Environmental Technologies Co., LTD.

Where is ClearSign Technologies Corporation headquartered?

ClearSign Technologies Corporation is headquartered in United States of America and employs approximately 15 people. It has been publicly traded since 2012.

ClearSign Technologies Corporation

CLIR

ClearSign Technologies Corporation designs and develops proprietary technologies aimed at decarbonizing and enhancing the performance of industrial and commercial combustion systems.

Market cap

$25.1M-15.6%

Table of contents

Earnings

Q1 2026 report

May 20, 2026

Revenue$191.0KMiss by $1.1M EPS-$0.39Miss by $0.10

Read the full report

Next report

Aug 13, 2026 (In 2 weeks)

Revenue estimate$612.5K

EPS estimate-$0.25

Competitors

Profile

ClearSign Technologies Corporation designs and develops proprietary technologies aimed at decarbonizing and enhancing the performance of industrial and commercial combustion systems. The company's core value proposition centers on significantly reducing nitrogen oxide (NOx) emissions and improving energy efficiency without the need for traditional, costly post-combustion cleanup systems. Their patented solutions are primarily targeted at the energy, chemical, and petrochemical industries to help operators meet stringent environmental regulations while improving operational cost-effectiveness.

Competitive position

ClearSign is a disruptive technology provider in a mature market dominated by large incumbents, leveraging an asset-light model and strategic OEM partnerships to overcome high barriers to entry.

GeographiesUnited States, Europe, China

Customer segmentsDownstream Oil & Gas, Midstream Gas Processing, Chemical Manufacturing, Commercial & Industrial Heating

Business modelAsset-light manufacturing, OEM integration, Technology licensing, Direct equipment sales

SuppliersRaw steel suppliers, Fabricated steel parts manufacturers, Porous ceramic manufacturers, Electronic component suppliers

CustomersGlobal oil supermajors, Fortune 500 infrastructure companies, Heater and boiler OEMs, Engineering service companies

CountryUnited States of America

Listed2012

Employees15.0

CEOColin James Deller

SectorIndustrials

IndustryIndustrial - Pollution & Treatment Controls

Websiteclearsign.com

FilingsSEC EDGAR

Questions, answered.

What is ClearSign Technologies Corporation's market cap?: ClearSign Technologies Corporation (CLIR) has a market capitalization of $25.1M and trades on NASDAQ.
Who are ClearSign Technologies Corporation's competitors?: ClearSign Technologies Corporation's key competitors include Callidus, Linde, Fuel Tech, Inc., and others. These companies compete in similar markets and product categories.
Who does ClearSign Technologies Corporation partner with?: ClearSign Technologies Corporation's notable partners include Zeeco Inc., California Boiler, Narion Corporation, and others.
What subsidiaries does ClearSign Technologies Corporation have?: ClearSign Technologies Corporation's subsidiaries include ClearSign Asia Limited, ClearSign Combustion (Beijing) Environmental Technologies Co., LTD.
Where is ClearSign Technologies Corporation headquartered?: ClearSign Technologies Corporation is headquartered in United States of America and employs approximately 15 people. It has been publicly traded since 2012.