Company profile
ClearSign Technologies Corporation
NASDAQ: CLIR · Industrials · Industrial - Pollution & Treatment Controls
#648 of 976 Industrials companies by revenuetop-decile growth
EA Score
41DFH 29DQ 48GM 67SS 36
v0.1 · 65/100 weight · provisional
↑ 3-yr revenue growth, revenue growth (YoY) · ↓ growth stability, Piotroski F
Methodology →Revenue TTM
$5.0M
Rev growth YoY (TTM)
+73.5%
Net income (FY)
-$5.5M
Employees
15
as of 2026-08-21
Market cap
$29.6M
as of 2026-08-21
Financials — latest annual
SEC EDGAR · USD-normalizedConceptUSDNativeFY
Revenue$5.2M$5.2M2025
Net income-$5.5M-$5.5M2025
Operating income-$6.7M-$6.7M2025
Total assets$12.2M$12.2M2025
Liabilities$2.7M$2.7M2025
Equity$9.5M$9.5M2025
Revenue trend
FY2024 – FY2025 · USD
FY24
FY24
FY24
FY24
FY25
FY25
FY25
FY25
Revenue by segment
Filed disclosures · FY2018
By product
Once Through Steam Generator75%
Small Project25%
By geography
Not disclosed.
The read
What is ClearSign Technologies Corporation’s revenue?
ClearSign Technologies Corporation booked $5.2M in FY2025 revenue, growing 409% year over year — faster than 96% of Industrials companies we track, at a -105.0% net margin.
Peers · Industrials
Rouchon Industries, Inc.45DIveda Solutions, Inc.39DNauticus Robotics, Inc.24DRichtech Robotics Inc. Class B Common Stock36DQuestor Technology Inc.44DTitan Logix Corp.52DNeighbors
Tulsa →Key facts
CEOColin James Deller
SectorIndustrials
IndustryIndustrial - Pollution & Treatment Controls
HeadquartersTulsa, OK
ExchangeNASDAQ: CLIR
Employees15
IPO date2012-04-25
Financials: SEC EDGAR (XBRL), USD-normalized per IAS 21 · TTM/quarterly + segments: FMP from filed disclosures · Filings: EDGAR submissions. County headcount and EA Score are in progress — see docs/DATA_GAPS.md.