9 companies
BRMT
Bare Metal Standard Inc.
Idaho
OTC
CECO
Ceco Environmental Corp.
ceco is diversified global provider of leading engineered technologies to the environmental, energy, and fluid handling and filtration industrial segments, targeting specific niche-focused end markets through an attractive asset-light business model, strategically balanced across the world.
Texas
NASDAQ
DCI
Donaldson Co. Inc.
donaldson is one of the nation’s largest and consistently growing filtration manufacturers.
Minnesota
NYSE
Filtration Group Corp
Illinois
FTEK
Fuel Tech Inc
fuel tech is a leading technology company engaged in the worldwide development and application of multi-pollutant emissions control systems, enabling customers to produce energy in a cost-effective and environmentally sustainable manner.
Illinois
NASDAQ
KNOS
Kronos Advanced Technologies Inc
Kronos Advanced Technologies, Inc.
Oregon
OTC
MKUL
Molekule Group Inc
aeroclean is a pathogen elimination company on a mission to keep work, play and life going—with continuous air sanitization products called, pūrgo (pure-go.) we create solutions for hospitals, offices and many shared spaces as well as elevators, travel and more.
Florida
NASDAQ
PPIH
Perma-Pipe International Holdings Inc
perma-pipe, inc is a subsidiary of mfri.
Texas
NASDAQ
PIAC
Princeton Capital Corp
We are an externally managed, non-diversified, closed-end investment company that has elected to be treated as a BDC under the 1940 Act.
Massachusetts
OTC
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