Insights

Innovative Emissions Solutions ClearSign Technologies offers retrofit combustion technologies that significantly reduce emissions and improve performance across various fuel types, presenting a compelling value proposition for industrial facilities aiming to meet stringent environmental regulations efficiently.

Sector Focus and Expansion Operating within the oil and gas industry and expanding into new markets like California, the company is well-positioned to capitalize on the rising demand for cleaner combustion solutions in energy-intensive sectors.

Recent Funding and Grants With recent success in securing a $400K grant from the U.S. Department of Energy and ongoing investor engagement, ClearSign demonstrates strong financial backing and subsidy support, enabling growth and technology deployment opportunities.

Strategic Partnerships The collaboration with Zeeco, Inc. on co-branded burner products enhances product credibility and market reach, offering sales teams a proven solution with established industry partners to promote.

Growing Industry Presence Active participation in investment conferences and industry events indicates a focus on increasing visibility and attracting client interest, opening avenues for new sales prospects among industrial operators seeking innovative combustion technologies.

ClearSign Technologies Tech Stack

ClearSign Technologies uses 8 technology products and services including WordPress, Open Graph, Font Awesome, and more. Explore ClearSign Technologies's tech stack below.

  • WordPress
    Content Management System
  • Open Graph
    Content Management System
  • Font Awesome
    Font Scripts
  • Google Fonts API
    Font Scripts
  • Elementor
    Page Builders
  • WP Engine
    Platform As A Service
  • Google Tag Manager
    Tag Management
  • prettyPhoto
    Web Tools And Plugins

Media & News

ClearSign Technologies's Email Address Formats

ClearSign Technologies uses at least 1 format(s):
ClearSign Technologies Email FormatsExamplePercentage
First.Last@clearsign.comJohn.Doe@clearsign.com
50%
First.Last@clearsign.comJohn.Doe@clearsign.com
50%

Frequently Asked Questions

Where is ClearSign Technologies's headquarters located?

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ClearSign Technologies's main headquarters is located at 8023 E 63rd Pl, Tulsa, Oklahoma 74133, US. The company has employees across 1 continents, including North America.

What is ClearSign Technologies's phone number?

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You can contact ClearSign Technologies's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is ClearSign Technologies's official website and social media links?

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ClearSign Technologies's official website is clearsign.com and has social profiles on LinkedIn.

What is ClearSign Technologies's SIC code NAICS code?

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ClearSign Technologies's SIC code is 3629 - Electrical Industrial Apparatus, Not Elsewhere Classified NAICS code is 211 - Oil and Gas Extraction.

How many employees does ClearSign Technologies have currently?

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As of October 2025, ClearSign Technologies has approximately 21 employees across 1 continents, including North America. Key team members include Chief Executive Officer: J. D.Chief Technology Officer: M. M.Chief Financial Officer: B. H.. Explore ClearSign Technologies's employee directory with LeadIQ.

What industry does ClearSign Technologies belong to?

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ClearSign Technologies operates in the Oil and Gas industry.

What technology does ClearSign Technologies use?

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ClearSign Technologies's tech stack includes WordPressOpen GraphFont AwesomeGoogle Fonts APIElementorWP EngineGoogle Tag ManagerprettyPhoto.

What is ClearSign Technologies's email format?

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ClearSign Technologies's email format typically follows the pattern of First.Last@clearsign.com. Find more ClearSign Technologies email formats with LeadIQ.

How much funding has ClearSign Technologies raised to date?

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As of October 2025, ClearSign Technologies has raised $12M in funding. The last funding round occurred on Jul 24, 2018 for $12M.

When was ClearSign Technologies founded?

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ClearSign Technologies was founded in 2008.

ClearSign Technologies

Oil and GasUnited States11-50 Employees

ClearSign Technologies (NASDAQ: CLIR) designs and develops technologies that aim to solve the greatest challenge facing the energy industry today: capital intensive emissions control requirements which reduce process throughput, consume energy, complicate design and destroy profits. Our technologies offer simple retrofit strategies for superior emissions control and improved performance during combustion for a fraction of the cost of after-treatment methods which can only address part of the problem. Our methods can be deployed anywhere there is an open flame, regardless of the fuel type.

Welcome to the future of fire.

For more information about the Company, please visit: www.clearsign.com

Section iconCompany Overview

Headquarters
8023 E 63rd Pl, Tulsa, Oklahoma 74133, US
Phone number
SIC Code
3629 - Electrical Industrial Apparatus, Not Elsewhere Classified
NAICS Code
211 - Oil and Gas Extraction
Founded
2008
Employees
11-50

Section iconFunding & Financials

  • $12M

    ClearSign Technologies has raised a total of $12M of funding over 1 rounds. Their latest funding round was raised on Jul 24, 2018 in the amount of $12Mas a equity investment.

  • $1M$10M

    ClearSign Technologies's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $12M

    ClearSign Technologies has raised a total of $12M of funding over 1 rounds. Their latest funding round was raised on Jul 24, 2018 in the amount of $12Mas a equity investment.

  • $1M$10M

    ClearSign Technologies's revenue is estimated to be in the range of $1M$10M

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