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| Company | What they do | Location | Size | Hiring |
|---|---|---|---|---|
OJ Insulationojinc.com |
OJ Insulation, L.P. is a California-based insulation contractor operating since 1984, providing home and commercial insulation, in | Azusa, California | 51-200 | — |
Owens Corningowenscorning.com  TC RZ RH |
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 | — |
CertainTeedcertainteed.com PB  TB 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 | — |
Insulationcontractorsinsulationcontractors.org |
— | — | — | |
Rmaxrmax.com FC  JKJS |
Rmax is a manufacturer of polyiso insulation products and engineered energy-efficiency solutions for commercial construction, oper | Lewisville, Texas | 51-200 | — |
Broan Manufacturingbroan.com |
broan.com is the homepage for Broan, North America's largest producer of residential ventilation products including range hoods, b | Plano, Texas | 1-10 | — |
Hunter Douglashunterdouglas.com  RVABKB |
Hunter Douglas is a manufacturer of premium window fashions and architectural products that combines custom window treatments with | New York, New York | 1001-5000 | — |
Acoustical Surfaces Inc.acousticalsurfaces.com |
Acoustical Surfaces Inc. is a Minnesota-based manufacturer and distributor of over 400 specialty products for soundproofing, noise | Chaska, Minnesota | 11-50 | — |
Gibraltarbuildingsolutionsgibraltarbuildingsolutions.com |
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National Gypsum Companynationalgypsum.com  DS BI TM |
National Gypsum Company is a building products manufacturer headquartered in Charlotte, NC, supplying gypsum board and related con | Charlotte, North Carolina | 1001-5000 | — |
Knauf Insulationknaufinsulation.com |
Knauf Insulation is a global manufacturer of mineral wool insulation for buildings, producing glass mineral wool, rock mineral woo | — | — | — |
Foamexfoamex.com |
— | — | — | |
ROCKWOOLrockwool.com  MS АМ LF |
ROCKWOOL is a manufacturer of high-performance stone wool insulation products for the construction industry, offering rigid boards | Roermond, Limburg | 201-1000 | — |
USG Corporationusg.com JB  LD KR |
USG Corporation is a building products manufacturer headquartered in Chicago, producing wall, ceiling, flooring, sheathing, and ro | Chicago, Illinois | 5000+ | — |
Saint Gobainsaint-gobain.com |
— | — | — | |
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 | — |
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 | — |
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 | — |
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 | — |
Icynene Inc.icynene.com |
Icynene Inc. is a manufacturer of high-performance spray foam insulation, offering a complete portfolio of Icynene spray foam solu | Downey, California | 11-50 | — |
John Manson & Associatesjohnmanson.com |
Design | Chicago, Illinois | 1-10 | — |
Firestonebpcofirestonebpco.com |
Eastern Architectural Representatives is a wholesale building materials distributor in Woburn, Massachusetts, representing Firesto | Woburn, Massachusetts | 1-10 | — |
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 | — |
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OJ Insulation, L.P. is a California-based insulation contractor operating since 1984, providing home and commercial insulation, insulation removal, fireplaces, acoustical ceilings, and gutters across Southern California.
Companies like OJ Insulation include Owens Corning, Johns Manville, CertainTeed, Insulationcontractors, Rmax. See the full list of 24 competitors and alternatives above.
OJ Insulation has approximately 51-200 employees and is in the Construction industry.
OJ Insulation is headquartered in Azusa, California.
OJ Insulation operates in the Construction industry.
Key decision-makers and buying contacts at OJ Insulation are listed above, including leaders across executive, finance, sales and operations.