Air Purification
Nanotechnology-based air filtration and purification systems
Particulaire
Austin, United States
Developer of nanoparticle monitoring and air quality sensing technology
Sensirion
Stafa, Switzerland
Swiss leader in environmental and flow sensors using MEMS technology
Donaldson Company
Bloomington, United States
Filtration company with nanofiber technology for air and liquid filtration
Clarcor (now Parker)
Franklin, United States
Nanofiber filtration technology for industrial and commercial applications
MANN+HUMMEL
Ludwigsburg, Germany
Filtration solutions with nanofiber technology for automotive and industrial
Freudenberg Filtration Technologies
Weinheim, Germany
Air filtration with nanofiber and electrostatic media technologies
eSpin Technologies
Chattanooga, United States
Electrospun nanofiber materials for filtration and technical applications
Sciosense
Eindhoven, Netherlands
Environmental and flow sensors from ams spin-off
SUEZ Water Technologies
Paris, France
Environmental services company providing water and waste management
Donaldson Company
Bloomington, United States
Global filtration company providing industrial and engine filtration
Camfil
Stockholm, Sweden
Global leader in air filtration solutions for clean air
Clean Harbors
Norwell, United States
Environmental and industrial services company for hazardous waste
Waste Connections
Woodbridge, Canada
Solid waste services company providing collection and disposal
Montrose Environmental
North Little Rock, United States
Environmental services company providing measurement and remediation
Veolia
Paris, France
Global environmental services company for water, waste, and energy management
Dyson
Malmesbury, United Kingdom
British technology company known for vacuums and air treatment products
Marriott International
Bethesda, United States
World's largest hotel company with 30+ brands
Hilton Worldwide
McLean, United States
Global hospitality company with diverse hotel brands
InterContinental Hotels
Denham, United Kingdom
British hospitality company with global hotel brands
Wyndham Hotels
Parsippany, United States
World's largest hotel franchising company
Choice Hotels
Rockville, United States
Hotel franchising company with midscale brands
Donaldson Nanofiber
Bloomington, United States
Nanofiber filtration technology for industrial applications
KorganoTech
Seoul, South Korea
Nanotechnology-based air filters
Nanosci
Warsaw, Poland
Photocatalytic nanotech air purification and disinfection for commercial spaces