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Since 1936 GROVER has been the standard for the trucking industry. Used by the major trucking manufactures, our superior and unique sound have become synonymous with quality and durability. Drivers of all types recognize the quality sound of our horns, on everything from earth movers to trains and boats you can find our products on the go.

Our R&D Department is always striving to improve quality and durability. Die cast housing, utilizing a proprietary die cast material, to our single piece Brass spun horns. Always striving for customer satisfaction we machine crucial points on our assemblies and actualize stainless steel for our diaphragm. Our chrome finish or anodized finish not only give our products a great look it adds durability for years of use.

This made in the U.S.A. Product is tested before shipping so if reliability and quality are you need, along with critical demand from your supplier think...