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| Company | What they do | Location | Size | Hiring |
|---|---|---|---|---|
National Insulation Association (USA)insulation.org |
The National Insulation Association (NIA) is a not-for-profit trade association representing contractors, distributors, fabricator | Herndon, Virginia | 11-50 | — |
Styropekstyropek.com |
Styropek is the largest EPS (Expandable Polystyrene) manufacturer in North America, producing expandable polystyrene beads used fo | Mexico City, Texas | 201-1000 | — |
Hampton Roads Insulationhamptonroadsinsulation.com |
Hampton Roads Insulation (HRI) is a full-service mechanical insulation contractor based in Hampton, Virginia, specializing in indu | Hampton, Virginia | 1-10 | — |
Asbestoinsulationasbestoinsulation.com |
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Owens Corningowenscorning.com  AEJS GT |
Owens Corning is a building products leader, founded in 1938 and based in Toledo, Ohio, that supplies residential and commercial b | Toledo, Ohio | 5000+ | — |
Johns Manvillejohnsmanville.com |
Johns Manville is a Berkshire Hathaway manufacturing company based in Denver, CO, that produces commercial roofing, premium insula | Denver, Colorado | 11-50 | — |
ROCKWOOLrockwool.com RPWMPV |
ROCKWOOL is a manufacturer of high-performance stone wool insulation products for the construction industry, offering rigid boards | Roermond, Limburg | 201-1000 | — |
Kingspankingspan.com  LK JSAD |
Kingspan is a global building products manufacturer known for insulation, building envelope, roofing, and energy-efficient constru | — | — | — |
Saint Gobainsaint-gobain.com |
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Armacellarmacell.com  RL FQ AE |
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KIMMCO-Isoverisover.com |
KIMMCO-Isover is a joint-venture between Saint-Gobain and Alghanim, the GCC leader in mineral wool insulation for more than 43 yea | AlAhmadi, Al Ahmadi | 201-1000 | — |
Knauf Insulationknaufinsulation.com |
Knauf Insulation is a global manufacturer of mineral wool insulation for buildings, producing glass mineral wool, rock mineral woo | — | — | — |
CertainTeedcertainteed.com  CNJR MS |
CertainTeed is North America's leading brand of sustainable exterior and interior building products, a 100+ year-old subsidiary of | Malvern, Pennsylvania | 1001-5000 | — |
Insulationmartinsulationmart.com |
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National Fibernationalfiber.com |
National Fiber is a wholesale cellulose insulation and hydro-seed mulch manufacturer based in Belchertown, Massachusetts, founded | Belchertown, Massachusetts | 11-50 | — |
Celotexcelotex.co.uk |
Celotex (now SOPREMA UK, as of 1st January 2026) is a PIR and XPS insulation manufacturer and supplier based in Ipswich, Suffolk, | Ipswich, Suffolk | 51-200 | — |
Knaufknauf.com |
Knauf is a wholesale building materials company founded in 1978, headquartered in St. Helens, England, with operations spanning Eu | St. Helens, England | 51-200 | — |
Armstrongceilingsarmstrongceilings.com |
Armstrong World Industries, Inc. (AWI) is an Americas leader in the design and manufacture of interior and exterior architectural | Lancaster, Pennsylvania | 1001-5000 | — |
USG Corporationusg.com |
USG Corporation is a building products manufacturer headquartered in Chicago, producing wall, ceiling, flooring, sheathing, and ro | Chicago, Illinois | 5000+ | — |
BASFbasf.com |
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Recticel Insulationrecticelinsulation.com |
Recticel Insulation is a Belgian insulation manufacturer and distributor of PIR and vacuum insulation panels for professional cons | Wevelgem, Flanders | 51-200 | — |
John Manson & Associatesjohnmanson.com |
Design | Chicago, Illinois | 1-10 | — |
PAROCparoc.com |
PAROC is a Finnish stone wool insulation manufacturer producing energy-efficient and fire resilient insulation products for buildi | Helsinki, Uusimaa | 201-1000 | — |
Firestonebpcofirestonebpco.com |
Eastern Architectural Representatives is a wholesale building materials distributor in Woburn, Massachusetts, representing Firesto | Woburn, Massachusetts | 1-10 | — |
GAFgaf.com |
GAF is the leading roofing and waterproofing manufacturer in North America, producing asphalt shingles, membrane systems, and prot | Parsippany, New Jersey | 1001-5000 | — |
DuPontdupont.com |
DuPont is a global advanced solutions provider that creates technology-based materials and solutions for industries shaping the fu | Wilmington, Delaware | 5000+ | — |
Georgfischergeorgfischer.com |
Georg Fischer Ltd (GF) is a Swiss industrial manufacturer of corrosion-free liquid transport solutions, producing polymer piping, | — | — | — |
Johnson Controlsjohnsoncontrols.com |
Johnson Controls is a global building technology company that designs, manufactures, and services HVAC, fire detection, security, | — | — | — |
ArcelorMittalarcelormittal.com |
ArcelorMittal is a steel solutions and services company operating through three specialized business lines: Foundation Solutions, | Heijningen, Illinois | 51-200 | — |
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The National Insulation Association (NIA) is a not-for-profit trade association representing contractors, distributors, fabricators, laminators, and manufacturers in the commercial, mechanical, and industrial thermal insulation industry. Since 1953, the Herndon, Virginia-based association has published the award-winning Insulation Outlook magazine, offers training including the Thermal Insulation Inspector Certification™ pathway, and hosts industry events such as its annual convention.
Companies like National Insulation Association (USA) include Styropek, Hampton Roads Insulation, Asbestoinsulation, Owens Corning, Johns Manville. See the full list of 24 competitors and alternatives above.
National Insulation Association (USA) has approximately 11-50 employees and is in the Construction industry.
National Insulation Association (USA) is headquartered in Herndon, Virginia.
National Insulation Association (USA) operates in the Construction industry.
Key decision-makers and buying contacts at National Insulation Association (USA) are listed above, including leaders across executive, finance, sales and operations.