Areial Shop 4Neosho Trompler Inc. is a machining company with a state-of-the-art facility in Hartland, WI. We specialize in, but are not limited to, hydraulic components and engineered parts for the OEM industry. With more than 65 machining centers in a 100,000 sq. ft. facility, we have the equipment to get your job done.

The on-site quality lab features a DCC CMM and optical comparator, as well as a full complement of gages. Our team of engineers, machinists and quality techs will ensure that your parts are made the right way, every time.

Our fully-staffed tool room builds the fixtures for our machining operations. In addition they are capable of product prototyping including complex 3-D machining. We can work with a wide variety of materials including steel, stainless steel, aluminum and plastic.

NTI is a woman-owned small business. It is the parent company of Trompler Fluid Power.