NAEIR is a national nonprofit organization that takes in donations of excess inventory and redistributes those goods to schools and nonprofit organization.

The National Board of Boiler and Pressure Vessel Inspectors was created in 1919 to promote greater safety to life and property through uniformity in the construction, installation, repair, maintenance, and inspection of pressure equipment.

National Comfort Institute, Inc. (NCI) is an organization that provides heating, air conditioning, plumbing and electrical contractors with a focused offering of services and tools to help them improve their businesses, differentiate themselves, grow, and become more profitable. NCI accomplishes this through membership groups and by providing unique business management, sales, marketing and technical tools, training, support and coaching.

NCE is a supplier of new and remanufactured air conditioning and refrigeration compressors for commercial, industrial and transportation applications.

An ANSI-accredited Standards Developing Organization, the National Electrical Manufacturers Association (NEMA) gives members a competitive edge in today's rapidly changing marketplace by expanding market opportunities, acquiring exclusive business intelligence, removing market barriers, building supply chain connections, and harnessing innovation.

The National Environmental Balancing Bureau (NEBB) is the premier international association of Certified Firms that perform Building Systems Commissioning, Building Envelope Testing, Cleanroom Performance Testing, Fume Hood Testing, Retro-Commissioning and much more!

The Occupational Safety and Health Act of 1970 established NIOSH as a research agency focused on the study of worker safety and health, and empowering employers and workers to create safe and healthy workplaces. NIOSH is part of the U.S. Centers for Disease Control and Prevention, in the U.S. Department of Health and Human Services. It has the mandate to assure “every man and woman in the Nation is safe and in healthy working conditions.

The National Institute of Standards and Technology (NIST) was founded in 1901 and is now part of the U.S. Department of Commerce. NIST measurements support the smallest of technologies to the largest and most complex of human-made creations, ranging from nano-scale devices so tiny that tens of thousands can fit on the end of a single human hair up to earthquake-resistant skyscrapers and global communication networks.

National Pump Company manufactures a complete line of vertical lineshaft turbine, submersible, and booster pumps for the agricultural, municipal, petroleum, and industrial-commercial markets. They are a major fluid pumping solutions provider in the global water and energy markets through collaboration and innovation.

NB Heating & Air Conditioning installs, maintains and repairs residential and light commercial Heating – oil, gas, electric, boiler, and radiant Air conditioning – electric, heat pump and gas Air quality systems – filtration, UV, whole house solutions We provide services throughout Central and Northern Virginia.

NDL Specializes in high quality technical products at competitive prices. Copper Fittings, Press Fittings, Ball Valves, Service Valves, Press Valves, Black Iron Fittings and Nipples and more.

Neal's Heating & Air is a family-owned company that services all types of residential and commercial comfort systems. It has continued to offer custom design layouts, installation, and service of all makes and models.

NearU is a technician and customer-centric provider of residential and light commercial HVAC services. The company is well-capitalized and seeks to grow organically and by acquiring or partnering with leading HVAC contractors.

Ned Air is an innovative manufacturer of air treatment systems, heat recovery units, and roof fans. With their passion for technology, they create a sustainable air-technical solution for every situation. Their ventilation issue is a challenge for them, customization is their specialty.

Neese-Jones Heating & Cooling is located in Alpharetta, Ga. Just 30 miles north of Atlanta. Concentrating solely on the repair, maintenance, and installation of air conditioning, heating, and also indoor air quality systems allows them to excel in the industry.

Neighborly® is the world's largest home services company with more than 30 brands and 5,500 franchises collectively serving 12 million+ customers in six countries, focused on repairing, maintaining, and enhancing homes and businesses. Through Neighborly.com and the Neighborly mobile app, Neighborly connects consumers to local service providers that meet rigorous franchisor standards across 19 service categories.

Neighbors Heating, Cooling, Plumbing, & Geothermal provides HVAC solutions, Heating & Cooling Solutions, etc, and is based out of the USA.

Trust Nelke Mechanical Heating & Cooling with any HVAC system and customers will never encounter a bunch of grouchy contractors just trying to make a buck. Their company is backed by over a decade of HVAC experience, and they’re the best at what they do. Committed to the comfort and safety of their customers, the company's mission is to provide superior, speedy, affordable, and responsive HVAC expertise.

Nelumbo is commercializing a new platform of structural materials. The company’s current focus is on developing improved heat exchangers for the HVAC market.

Neoperl is a manufacturer of faucet aerators, check valve cartridges, insert flow regulators, faucet attachments, laminar devices, sprays and adapters.

Nester Heating and Air Conditioning is a full-service Heating, Ventilation, and Air Conditioning (HVAC) services contractor operating in San Diego County and neighboring areas. It provides commercial and residential heating and cooling services, which include: installation, troubleshooting, repair, maintenance, tune-ups, as well as pull-out and safe dismantling of damaged or old heating and cooling units.

Nettoyage Impérial has been providing affordable, high-quality carpet cleaning services to individuals and businesses in Montreal and the surrounding areas. They rely on the best methods and products on the market to deliver exceptional results to their customers.

NetX's mission is to deliver user-friendly HVAC solutions with powerful time and energy savings features to their institutional, commercial, and industrial customers.

New Balance A/C Inc. provides residential and commercial heating and air conditioning repair, replacement, design, and installation services.

New Berlin Heating & Air Conditioning provides solutions like heating, cooling, air quality, etc and is based out of the USA.

New Comfort Heating and Cooling provide residents and businesses in Brookville, Ohio, and the surrounding areas with quality heating and cooling system maintenance, sales, installations, and repair services.

New Sat deals with specialized activities and services, from design to construction, intended for civil and industrial installations of electrical systems, public and private lighting, air conditioning systems, installation of photovoltaic panels, automation, home automation, alarm systems, video surveillance. and fog generators, telecommunications, satellite systems, digital terrestrial TV systems and closed circuit TV.

New Systems is fully licensed and insured, and their highly trained and experienced Service Technicians are NATE certified. With New Systems as your go-to for Heating and Air Conditioning needs, one can be assured that their expectations will be met or exceeded. They guarantee in writing that they will protect your home before, during, and after installation.

At New Vista Heating & Air Conditioning Inc, they're a local heating & air conditioning company that's been providing top-tier heating & cooling services to Elk Grove Village, Schaumburg, and all surrounding suburbs for over 19 years.

California-based Newair Appliances is a manufacturer and distributor of luxury compact home appliances, including everything from beverage and wine coolers, ice makers, humidors, and portable heating and air conditioners.