Aztec Washer Company is a family owned and operated corporation located in Poway, California that started in 1968 when its founder and current CEO, Henry DeGraan, became one of the first bonded washer manufacturers in the world. Our extensive tooling and production capabilities provide us with an advantage to meet standard, large volume demands as well as custom washer and roof flashing specialties.Shop All Aztec Washer Company ProductsVisit Aztec Washer Company Website