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Mine Safety Appliances Co.

PO Box 426
Pittsburgh, PA 15230
Phone: 800-MSA-2222

Mine Safety Appliances, MSA, is the largest company dedicated to producing a complete range of equipment and systems for workers and plant protection. These products include respirators, respirator cartridges, gas masks, riot control products, fire helmets and shields, self-contained breathing apparatus (SCBA), thermal imaging cameras, hard hats, head protection, fall protection products, harnesses, lanyards, lifelines, confined space equipment, training and consulting services, hearing protection, eye & face protection, monitors, portable instruments, permanent gas detection equipment, and mining products.