Changes 2025

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 the list updated and make 4specs more reliable.

Email suggestions and comments to 4specs

July

• American Hydrotech - purchased by Sika, new name Sika Roofing & Waterproofing - Hydrotech
• Carlisle Coatings and Waterproofing info now combined under Henry
• Dur-A-Flex now under Sherwin Williams Industrial
• Metalwerks acquired by ATAS
• The Reinforced Earth Company is now Geoquest USA
• United Gilsonite Laboratories now under Sika

June

• Bosch Security Systems - purchased, merged into Keenfinity

March

• Alumi-Guard (Barrette Outdoor Living) now part of Oldcastle Catalyst Fence Solutions
• Duravent Group has acquired Hart and Cooley and previously AMPCO, Milcor, Roof Products & Systems, Portals Plus, Ward Industries
• James Hardie and The AZEK Company have entered a definitive agreement to combine operations.
• Mats Inc. name change to Matter Surfaces
• ProSpec now a brand under HB Fuller
• Rooftop Anchor now part of Diversified Fall Protection
• Trex Fencing now under Trex Company

February

• Calstone Company is now part of Belgard
• PPG Paints acquired by American Industrial Partners with name change to Pittsburgh Paints Co.
• Watson Bowman Acme (buildings) now part of Sika Emseal - highway work remains with WBA.

January

• Vetrotech Saint-Gobain North America - ceases North American operations, worldwide operations continue.