Changes 2021
These listings represent company changes we have identified. These are in the searchable website area to help you find that the company was purchased or changed names or is no longer in business. If you have any additional information, please let us know. Please send us any changes you spot and we will keep this list updated and make 4specs more reliable.
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- AAMA and the Insulating Glass Manufacturers Alliance (IGMA) unified into one organization, the Fenestration and Glazing Industry Alliance (FGIA).
- AFM withdrawing from polystyrene insulation and geofoam under the brand names of Foam-Control
- AGC Glass Company North America - purchased by Cardinal Glass
- Alpar Architectural Products - website redirects to Pawling
- American Hydrotech - purchased by Sika, current website remains
- Architectural Facades Unlimited (California) - owners retired
- Bedford Technology (recycled plastic lumber products) acquired by Tangent Technologies
- Benson Global (Curtainwalls), Aegis Metal Framing (roof trusses) and MiTek USA (connectors) realigned into MiTek
- BondCote Corporation - purchased by Heytex Group - no apparent roofing products on that website
- CPI Daylighting - moved under Kingspan Light + Air
- Cardinal Commercial Systems rebranded to HMI Commercial Glazing Systems
- Carolina Ceramics - purchased by US Brick
- Centria apparently sold to Nucor.
- Columbia Commercial Building Products and J.E. Berkowitz closed by Consolidated Glass Holding
- Consolidated Glass Holdings filed for Chapter 7 bankruptcy in mid-July - J.E. Berkowitz, Dlubak Corp., North American Specialty Glass and Global Security Glazing had been combined into CGH
- Creative Pultrusions name change to Creative Composites Group
- DiversiFoam Products - now part of Kingspan Insulation North America
- E.T. Techtonics - bridges - joined the Creative Composites Group
- FabriTec Structures rebranded to PFEIFER Structures (2023 - rebranded to Enclos Tensile Structures
- Fib-R-Dor redirects to Chem-Pruf Door Co.
- Firestone Building Products (FSBP) - LafargeHolcim has completed purchase of Firestone Building Products
- Froet Industries - roof drains, now under Zurn
- General Polymers - name change to Sherwin-Williams High Performance Flooring
- Glidden Professional, formerly ICI, is now under the PPG Paints umbrella
- Hadrian acquired by Zurn
- Henry Company purchased by Carlisle Companies, current website remains
- Herman Miller acquired Knoll,will continue as distinct brands as part of MillerKnoll
- Hoover Color Corporation - now Cathay Industries - 2024 - purchased by OXERRA Americas
- Icynene merged into Huntsman Building Solutions - also includes LaPolla Industries and Demilec products
- Kinestral Technologies rebranded as Hailo [link no longer works]
- Masland Contract now part of Mannington Commercial
- Megamet Industries - doors - business closing in December
- Meggitt Training Systems - now InVeris Training Solutions
- Morse Industries name change to Morse Architectural [link no longer works]
- NEI Advanced Composite Technology - now part of Owens Corning
- OMG sold its edge business to MTL Holdings - Metal-Era now makes Perma-Tite Coping (under Metal Era brand) and Hickman Edge Systems PermaSnap Coping [updated 1/2022 and noted in 2022 changes.]
- Panelfold closed in 2020. Intellectual property acquired by Woodfold.
- Plygem and Atrium Windows now part of Cornerstone Building Brands
- Rock Wool Manufacturing Company of Leeds, Alabama (not Rockwool - Canada) filed Chapter 7 bankruptcy
- Rodenhouse Fastener rebranded as Trufast Walls
- Rotary Lift now under Vehicle Service Group
- Sealex - moved under Tremco Sealants
- Spancrete Industries acquired by Wells Concrete
- TW Flooring Group - name change back to Tesoro Woods
- ThyssenKrupp Elevator - name change to TK Elevator
- U.S. Bullet Proofing acquired by Quikserv. Intent is to maintain 2 separate brands and websites.
- Willseal expansion joints - product info moved to Tremco after purchase.
- Society for Protective Coatings merged with NACE International to form Association for Materials Protection and Performance
