Company	Price	Valuation					Profitability					Cash & leverage					Quality				Rating
		P/E	P/B	P/S	EV / EBITDA	DCF upside	Gross margin	Operating margin	Net margin	ROE	ROIC	FCF yield	Debt / equity	Net debt / EBITDA	Interest coverage	Current ratio	Dividend yield	Piotroski (0-9)	Altman Z	Rating score (1-5)
BCHTthis companyBirchtech Corp.	$1.15	-23.44×	-42.24×	4.11×	-27.58×	-169.7%	40.9%	-16.9%	-17.2%	176.5%	205.3%	-1.0%	-0.15×	0.78×	-217.97×	0.47×	0.0%	2	-3.39	2	C+
ARQArq, Inc.	$2.55	-2.57×	0.81×	1.13×	-4.34×	-359.1%	27.9%	-6.7%	-43.7%	-31.3%	-3.8%	-8.1%	0.22×	-0.8×	-3.31×	1.04×	0.0%	4	0.62	2	C+
CLIRClearSign Technologies Corporation	$2.43	-5.62×	3.24×	5.9×	-4.19×	-1537.9%	27.2%	-113.4%	-105.0%	-57.7%	-61.2%	-15.7%	0.02×	1.73×	0×	4.34×	0.0%	2	-8.48	2	C+
CXDOCrexendo, Inc.	$5.16	38.06×	3.01×	2.82×	18.63×	-143.9%	62.9%	6.9%	7.4%	7.9%	6.7%	4.8%	0.02×	-3.48×	246.84×	3.4×	0.0%	4	4.99	3	B
FTEKFuel Tech, Inc.	$1.39	-20.77×	1.21×	1.81×	-22.92×	-121.1%	46.4%	-13.8%	-8.7%	-5.8%	-9.0%	4.9%	0.01×	7.06×	0×	5.09×	0.0%	2	1.44	2	C+
Peer median	—	-4.1×	2.11×	2.31×	-4.26×	-251.5%	37.1%	-10.3%	-26.2%	-18.6%	-6.4%	-1.7%	0.02×	0.46×	0×	3.87×	0.0%	3	1.03	2	—