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University of Maryland 2005 Solar Decatholon
MSA Hard Hats in Action

Building Safely


Mine Safety Appliances

Mine Safety Appliances

Company Profile

Mine Safety Appliances is the largest company specializing in personal protective equipment.  MSA's North American manufacturing facilities produce respirators, hard hats, eye and face protectors, and thousands of other products for worker and plant protection.


Safety glasses and hard hats


Contact Information

P.O. Box 426
Pittsburgh, Pennsylvania 15230

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