Source: B.W.S. Distributors
From the specific needs of miners to the demands of high heat work sites, a variety of hard hats and caps for special work environments are available. All special application hard hats and caps meet ANSI Z89.1-1986 Class A and B requirements, and are available with self-sizing or ratchet suspension systems.
B.W.S. Distributors, 1847 Piner Rd., Santa Rosa, CA 95403. Tel: 800-862-4685; Fax: 800-914-7584.