Semler Industries began supporting the petroleum market in 1947 as the Blott-Robb division.  Semler has proudly offered Blackmer Vane Pumps, Liquid Controls Meters, Hannay Reels and Marlow pumps for well over 50 years. Our solutions include storage, measurement, transfer & unloading of petroleum products, bulk terminal outfitting, custody transfer, filtration and separation & coalescing.

Our fabrication shop can handle a variety of small and large jobs.  For instance, we can assemble multiple small- to medium- sized pump assemblies as well as larger systems for bulk transfer.