The company MSA offers a wide range of passive and electronic ear protectors and also ear plugs for home DIYers and workers in construction, industry, police officers, and other professions. All products provide comfortable hearing protection designed so that you do not feel isolated from the surrounding environment. Ear protectors are available in versions with a headband and for helmet attachment.

MSA Safety Incorporated was founded in 1914. Currently, it is a global leader in the development, manufacturing, and supply of safety products. Many of the company's products combine electronic and mechanical systems that work perfectly together. The company's comprehensive product line is used by workers worldwide in a wide range of markets, including the oil, gas, and petrochemical industries. The company's main products include self-contained breathing apparatuses, fixed gas and flame detection instruments, portable gas detection instruments, industrial head protection products, fire and rescue helmets, and fall protection equipment.

MSA employs over four thousand employees worldwide. The company's headquarters are located north of Pittsburgh in Cranberry Township. However, they also have factories in Europe, Asia, and Latin America. With more than 40 international subsidiaries, the company MSA obtains about half of its revenue from markets outside North America.