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Compartment walls & cavity barriers companies in Massachusetts
Filtered fire safety companies in Massachusetts, on the OpenFire directory.
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Dalton Protection
One of three FM 4991 certified firms in Ohio.
Contractor 21–100 people Est. 1977 1 officeCompartment walls & cavity barriers FirestoppingMedway, Ohio View firm -
Gleeson Powers
The nation's first UL Qualified Firestop Contractor.
Contractor 100+ people Est. 1992 1 officeCompartment walls & cavity barriers Fire door inspection & survey Firestopping Structural fire protectionSouthborough, Massachusetts View firm