Free Trial
Want deep insights into your competitors & competitive landscape? Try Patsnap Eureka!

Top 100 Key Players companies in NOx
by Most Market Reports in the United States in 2021

The NOx top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Market Reports NOx Key Players in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
In atmospheric chemistry, NO x is a generic term for the nitrogen oxides that are most relevant for air pollution, namely nitric oxide (NO) and nitrogen dioxide (NO 2 ). These gases contribute to the formation of smog and acid rain, as well as affecting tropospheric ozone.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

India

United States

Germany

France

United Kingdom

Switzerland

Belgium

Netherlands

Sweden

Austria

Canada

South Korea

Italy

Spain

Australia

Israel

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most Research Publications

Most Literature Citation

Most Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Babcock & Wilcox Enterprises, Inc.
North Carolina, United States
Power transmission,Renewable power generation,Biomass,
...[+2]
market report: 22
2
Tenneco, Inc.
Illinois, United States
Powertrain,Automotive engineering,Catalytic converter,
...[+2]
market report: 17
3
General Electric Co.
Massachusetts, United States
Energy management,Turbine,Electronics,
...[+2]
market report: 14
4
Mitsubishi Hitachi Power Systems Americas, Inc.
United States
Turbine,Power transmission,Air pollution,
...[+2]
market report: 14
5
Ducon Technologies, Inc.
New York, United States
Air pollution,Flue-gas desulfurization,Control equipment,
...[+2]
market report: 14
6
Cummins, Inc.
Indiana, United States
Electric vehicle,Natural gas,Petroleum industry,
...[+2]
market report: 13
7
Honeywell International, Inc.
North Carolina, United States
Aerospace,Electronics,Market research,
...[+2]
market report: 10
8
CTS Corp.
New Mexico, United States
Electronic component,Actuator,Electronics,
...[+2]
market report: 8
9
Allegro MicroSystems LLC
New Hampshire, United States
Semiconductor,System level,Avionics,
...[+2]
market report: 8
10
BorgWarner, Inc.
Michigan, United States
Electric vehicle,Automotive engineering,Gasoline,
...[+2]
market report: 7
11
Analog Devices, Inc.
Massachusetts, United States
Semiconductor,Electronics,Digital signal processing,
...[+2]
market report: 7
12
Vyaire Medical, Inc.
Illinois, United States
Medical equipment,Health care,Breathing,
...[+2]
market report: 7
13
Donaldson Co., Inc.
Minnesota, United States
Filtration,Filter (aquarium),Industrial engineering,
...[+2]
market report: 6
14
ResMed, Inc.
California, United States
Medical equipment,Breathing,Health care,
...[+2]
market report: 6
15
CF Industries Holdings, Inc.
Illinois, United States
Fertilizer,Ammonium nitrate,Nitrogen fertilizer,
...[+2]
market report: 6
16
Calgon Carbon Corp.
Pennsylvania, United States
Activated carbon,Carbon,Industrial engineering,
...[+2]
market report: 6
17
Tri-Mer Corp.
Michigan, United States
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
market report: 6
18
ON Semiconductor Corp.
Arizona, United States
Semiconductor,Electronic component,Voltage reference,
...[+2]
market report: 5
19
CDTi Advanced Materials, Inc.
California, United States
Automotive engineering,Cisco Catalyst,Exhaust emission,
...[+2]
market report: 5
20
Natus Medical, Inc.
California, United States
Medical equipment,Health care,Polysomnography,
...[+2]
market report: 5
21
3M Co.
Minnesota, United States
Adhesive,Electronics,Writing paper,
...[+2]
market report: 4
22
Corning, Inc.
New York, United States
Telecommunications,Computer hardware,Electronics,
...[+2]
market report: 4
23
Masimo Corp.
California, United States
Health care,Medical equipment,Patient monitor,
...[+2]
market report: 4
24
Milliken & Co. (South Carolina)
South Carolina, United States
Graphic design,Product design,Textile (markup language),
...[+2]
market report: 4
25
Fuel Tech, Inc.
Illinois, United States
Air pollution,Chemical energy,Petroleum industry,
...[+2]
market report: 4
26
Mannington Mills, Inc.
New Jersey, United States
Interior design,Hardwood,Composite material,
...[+2]
market report: 4
27
Cleveland Medical Devices, Inc.
Ohio, United States
Polysomnography,Computer hardware,Medical equipment,
...[+2]
market report: 4
28
Tronair, Inc.
Ohio, United States
Ground support equipment,Automotive engineering,Aerospace,
...[+2]
market report: 4
29
Advanced Brain Monitoring, Inc.
California, United States
Brain monitoring,Software,Medical equipment,
...[+2]
market report: 4
30
Nonin Medical, Inc.
Minnesota, United States
Software,Medical equipment,Health care,
...[+2]
market report: 4
31
The Shell Group, Inc.
United States
Architecture,Refrigerant,Programmable logic controller,
...[+2]
market report: 4
32
Johnson & Johnson
New Jersey, United States
Health care,Medical equipment,Risperidone,
...[+2]
market report: 3
33
Illinois Tool Works, Inc.
Illinois, United States
Adhesive,Consumables,Industrial engineering,
...[+2]
market report: 3
34
Emerson Electric Co.
Missouri, United States
Software,Computer hardware,Electronics,
...[+2]
market report: 3
35
Mohawk Industries, Inc.
United States
Construction engineering,Integrated manufacturing,Mohawk,
...[+2]
market report: 3
36
Thermo Fisher Scientific, Inc.
Massachusetts, United States
Biology,Medical equipment,Reagent,
...[+2]
market report: 3
37
Tesla, Inc.
Texas, United States
Electric vehicle,Electronics,Automotive engineering,
...[+2]
market report: 3
38
Interface, Inc.
United States
Flor,Textile (markup language),Antimicrobial,
...[+2]
market report: 3
39
PACCAR, Inc.
Washington, United States
Truck,Automotive engineering,Public transport,
...[+2]
market report: 3
40
Siemens Healthineers AG
Munich, Germany
Health care,Medical equipment,Healthcare industry,
...[+2]
market report: 3
41
CECO Environmental Corp.
Ohio, United States
Filtration,Environmental consulting,Air pollution,
...[+2]
market report: 3
42
Congoleum Corp.
New Jersey, United States
Building material,Plastic bag
market report: 3
43
Cormetech, Inc.
North Carolina, United States
Cisco Catalyst,Test engineer,Automation,
...[+2]
market report: 3
44
Omron Healthcare, Inc.
Illinois, United States
Medical equipment,Health care,Inhaler,
...[+2]
market report: 3
45
Circadiance LLC
Pennsylvania, United States
Medical equipment,Positive airway pressure,Pressure sores,
...[+2]
market report: 3
46
React Health Inc.
United States
Sleep apnea,Medical equipment,Health care,
...[+2]
market report: 3
47
Cadwell Laboratories, Inc.
Washington, United States
Medical equipment,Neurophysiology,Brain–computer interface,
...[+2]
market report: 3
48
Beltran Associates, Inc.
New York, United States
Refrigeration,Control system,Electrostatic precipitator,
...[+2]
market report: 3
49
Somnetics International, Inc.
Minnesota, United States
Medicine,SLEEP APNEA (device),Positive airway pressure device,
...[+2]
market report: 3
50
Abbott Laboratories
Illinois, United States
Medical equipment,Health care,Emergency medicine,
...[+2]
market report: 2
51
Pfizer Inc.
New York, United States
Health care,Clinical trial,Drug,
...[+2]
market report: 2
52
Parker-Hannifin Corp.
Ohio, United States
Computer hardware,Metal,Machine element,
...[+2]
market report: 2
53
Amphenol Corp.
Connecticut, United States
Computer hardware,Coaxial,Semiconductor,
...[+2]
market report: 2
54
Ford Motor Co.
Michigan, United States
Truck,Public transport,Automotive engineering,
...[+2]
market report: 2
55
AMETEK, Inc.
Pennsylvania, United States
Electronics,Electric motor,Electronic instrument,
...[+2]
market report: 2
56
John Bean Technologies Corp.
Illinois, United States
Food processing,Software,Computer hardware,
...[+2]
market report: 2
57
Integra LifeSciences Holdings Corp.
New Jersey, United States
Medical equipment,Neurosurgery,Biology,
...[+2]
market report: 2
58
Kennametal, Inc.
Pennsylvania, United States
Mining engineering,Construction engineering,Cutlery,
...[+2]
market report: 2
59
The Chemours Co.
Delaware, United States
Chemical engineering,Coating,Medical equipment,
...[+2]
market report: 2
60
Avanos Medical, Inc.
United States
Opioid,Hospitality industry,Medical equipment,
...[+2]
market report: 2
61
Tronox Holdings Plc
Connecticut, United States
Titanium dioxide,Industrial engineering,Titanium,
...[+2]
market report: 2
62
Plug Power, Inc.
New York, United States
Cell,Petroleum industry,Industrial engineering,
...[+2]
market report: 2
63
Harvey Gulf International Marine LLC
Louisiana, United States
Constantan
market report: 2
64
Kronos Worldwide, Inc.
Texas, United States
Pigment,Titanium dioxide,Chemical engineering,
...[+2]
market report: 2
65
ZOLL Medical Corp.
Massachusetts, United States
Software,Implantable cardioverter-defibrillator,Physical fitness,
...[+2]
market report: 2
66
LSB Industries, Inc.
Oklahoma, United States
Cherokee,Fast-moving consumer goods,Agriculture,
...[+2]
market report: 2
67
Crowley Maritime Corp.
United States
Military logistics,Automotive engineering,Public transport,
...[+2]
market report: 2
68
The Dow Chemical Co.
Michigan, United States
Coating,Agriculture,Chemical engineering,
...[+2]
market report: 2
69
J.R. Simplot Co.
Idaho, United States
Food industry,Agribusiness,Crop,
...[+2]
market report: 2
70
Velodyne Lidar, Inc.
California, United States
Lidar,Robotics,Manufacturing engineering,
...[+2]
market report: 2
71
Vapotherm, Inc.
New Hampshire, United States
Medical equipment,Health care,Heliox,
...[+2]
market report: 2
72
Burns & McDonnell, Inc.
Missouri, United States
Architecture,Design firm,Construction engineering,
...[+2]
market report: 2
73
The Fisher-Barton Group, Inc.
Wisconsin, United States
Thermal barrier coating,Coating,Cutlery,
...[+2]
market report: 2
74
Sunovion Pharmaceuticals, Inc.
Massachusetts, United States
Medicine,Pharmacy and Therapeutics,Inhalation,
...[+2]
market report: 2
75
Armstrong World Industries
Pennsylvania, United States
Fiber,Fast-moving consumer goods,Softwood,
...[+2]
market report: 2
76
Shaw Industries Group, Inc.
United States
Hardwood,Interior design,Composite material,
...[+2]
market report: 2
77
Inspire Medical Systems, Inc.
Minnesota, United States
Medical equipment,Obstructive sleep apnea,Health care,
...[+2]
market report: 2
78
Quanergy Systems, Inc.
California, United States
Lidar,Robotics,Software,
...[+2]
market report: 2
79
Textron Ground Support Equipment, Inc.
United States
Ground support equipment,Jet bridge,Tractor,
...[+2]
market report: 2
80
Shaw Floors
United States
Textile (markup language),Cushion,Composite material,
...[+2]
market report: 2
81
ACDelco Systems
Michigan, United States
Spark plug,Automotive engineering,Filter (aquarium),
...[+2]
market report: 2
82
BrainScope Co., Inc.
United States
Medical equipment,Digital signal processing,Health care,
...[+2]
market report: 2
83
Cadwell Industries, Inc.
Washington, United States
Neurophysiology,Medicine,Telemetry,
...[+2]
market report: 2
84
Apache Nitrogen Products, Inc.
Arizona, United States
Fertilizer,Nitric acid,Agriculture,
...[+2]
market report: 2
85
Aero Specialties, Inc.
Idaho, United States
Jet bridge,Aerospace,Ground support equipment,
...[+2]
market report: 2
86
California Analytical Instruments, Inc.
California, United States
Medicine,Carbon dioxide sensor,Photoionization detector,
...[+2]
market report: 2
87
Novasignal Corp.
California, United States
Ultrasound,Transcranial Doppler,Medical equipment,
...[+2]
market report: 2
88
Cerebrotech Medical Systems, Inc.
California, United States
Traumatic brain injury,Need to know,Medical equipment,
...[+2]
market report: 2
89
Moberg Research, Inc.
Pennsylvania, United States
Medical equipment,Health care,Patient monitor,
...[+2]
market report: 2
90
ActiGraph LLC
United States
Social network,Activity measurement,Software,
...[+2]
market report: 2
91
Green Millennium, Inc.
California, United States
Coating,Titanium dioxide,Photocatalysis,
...[+1]
market report: 2
92
Nanoptek Corp.
Massachusetts, United States
Semiconductor,Photocatalysis,Seawater,
...[+2]
market report: 2
93
Respicardia, Inc.
Minnesota, United States
Medical equipment,Health care,Pharmacy and Therapeutics,
...[+2]
market report: 2
94
Rimed USA, Inc.
New York, United States
Transcranial Doppler,Health care,Ultrasound,
...[+2]
market report: 2
95
ChoiceMMed America Corp.
Pennsylvania, United States
Blood pressure,Medicine,Health care,
...[+2]
market report: 2
96
Curative Medical, Inc.
California, United States
Medical equipment,Cardiopulmonary diseases,Health care,
...[+2]
market report: 2
97
Caterpillar, Inc.
Illinois, United States
Turbine,Construction engineering,Mechanical engineering,
...[+2]
market report: 1
98
Stryker Corp.
Michigan, United States
Medical equipment,Neurotechnology,Health care,
...[+2]
market report: 1
99
Whirlpool Corp.
Michigan, United States
Refrigeration,Computer hardware,Air conditioning,
...[+2]
market report: 1
100
DuPont de Nemours, Inc.
DE, US
Synthetic rubber,Chemical engineering,Silicone,
...[+2]
market report: 1

Who we serve

R&D Decision MakersNew Product Innovation LeaderTechnology Research AnalystsBusiness Development Professionals

Why Discovery

Technology Intelligence Data FoundationAI-powered Competitive Intelligence RadarTechnology Classification and Company Innovation Indicators

Social media

Try Discovery

Free Trial
PatSnap group products
Browse By:ABCDEFGHIJKLMNOPQRSTUVWXYZ#All topics,List of companies,Sitemap
© 2023 PatSnap. All rights reserved.Legal | Privacy policy Modern Slavery Act Transparency Statement
Page generation time: Jun 21 2025
For better visiting experience, please use PC device.X