Mertz Engineering

Since the 1940's, Mertz Engineering manufactures metal and plastic parts per customer specifications. The customers are still the first priority, and we strive to deal with each one fairly and promptly on any and all matters. Our customers range from manufacturers of athletic equipment, tire changers, loaders, cranes food machines, solid waste equipment and various farm equipment. Our market area is mainly in the continental United States with the majority of customers in Iowa and the surrounding states.

Precision Custom Machining
Technology from AutoCad to state -of-the-art CNC turning centers, we provide the very best and latest technology. We strive to give personal attention and produce a high quality product for customers with special requests or needs. We welcome the opportunity of quoting on your needs, whether the quantities are small or large.

  • 7 CNC Lathes
  • Ten 6-spindle screw machines
  • Centerless Grinders
  • Surface Grinders
  • Lathes
  • Automatic Welders
  • 3 CNC Vertical Machining Centers
  • Natco Drills - Multispindle

OEM & Stock Hydraulic Cylinders
When an OEM goes outside their own plant to purchase components they generally do it for a variety of reasons. In a nut shell, most of those fall under the category of specialization - that is- someone with the expertise and equipment to do the job better, faster and more economically. For custom hydraulic cylinders, Multi-Line Fluid Power is that someone. Specializing in the custom design, manufacturing and testing of hydraulic cylinders is what we do - and we do it well. Our fluid power experience spans many years in a variety of industries including agricultural, construction, solid waste and material handling. We realize your reputation is only as good as the components that make up your equipment. So with your reputation resting on our performance, we must maintain just one attitude- Precision under pressure.

Powder Coating
The new, environmentally-friendly powdercoat system provides an extremely tough and durable finish. Virtually any color is available in epoxy, urethane or hybrid formulations.

More Durable: Powder coating gives consumers, businesses, and industry one of the most economical, longest-lasting, and most color-durable quality finishes available. Powder coated surfaces are more resistant to chipping, scratching, fading, and wearing than other finishes. Color selection is virtually unlimited with high and low gloss, metallic, and clear finishes available. And colors stay bright and vibrant longer. Texture selections range from smooth surfaces to a wrinkled or matte finish, and rough textures designed for hiding surface imperfections.

Protects the Environment: Powder coating is also highly protective of our environment. While liquid finishes contain solvents which have pollutants known as volatile organic compounds (VOCs), powder coating contains no solvents and releases negligible amounts, if any, of VOCs into the atmosphere. Thus, there is no longer a need for finishers to buy costly pollution control equipment. In addition, most powder coating overspray that does not adhere to the part can be retrieved and reused, virtually eliminating the waste commonly found in liquid finishing processes.

Saves Money: Elimination of VOCs and reduction of wastes saves money and helps companies comply more easily and economically with the regulations of the U.S. Environmental Protection Agency. In fact, one of the major elements in expanding the market for powder coating has been the implementation over the past 30 years of stringent air pollution control legislation.

Made in the USA means something again in this country and Multi-Line is part of it. From name brand seals to top grade steel, each piece that goes onto one of your cylinders is either purchased or manufactured to exacting standards. And in the right hands of our skilled machinists these quality materials become durable components, ready for years of service on your equipment. Mutil-Line traditional U.S.A. craftsmanship. Every component in the manufacturing process is produced to exacting quality standards.
Assembly,Coating,Fabrication,Grinding,Machining,Other Assembly,Welding,Welding or Bonding,Centerless Grinding,Surface Grinding,Machining of Castings,Milling,Screw/Swiss Machining,Turning,Powder Coating,Milling & Turning

The following suppliers (machine shops, fabricators, casters, molders, textile manufacturers, etc.) provide manufacturing services and are members of the community. For more information visit

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  • Webster City, Iowa
  • USA 50595