Manufacturing & Advanced Technology

A pro-business climate and highly productive workforce makes Lee County, Iowa a leader in manufacturing technology. Lee County EDG assists manufacturers in streamlining their processes, maximize productivity and accelerate revenue growth.

Henniges Automotive – provides world-class vehicle sealing solutions for the global automotive industry. The Henniges Keokuk plant will celebrate its 100th anniversary in Lee County in 2015. The facility produces EPDM rubber compound for most of Henniges Automotive’s North American Operations in Canada, the United States and Mexico. The facility has the capacity to provide over 90 million pounds of high quality mixed rubber per year.

Griffin Wheel: 

Griffin Wheel – a division of Amsted Rail, produces wheels for the railroad industry with the Keokuk plant as the only Griffin Wheel facility producing diesel wheels.

Siemens Gamasa - Our passion is to help society, companies and people work and live better through intelligent infrastructure, reliable transportation, sustainable energy and advanced manufacturing. The Fort Madison facility manufacturers wind blades for wind turbines. 

Gregory Design & Manufacturing – designs and manufactures material handling equipment for Industry. Specializing in the storage and transport of product, Gregory’s engineering and common sense design ideas enable Gregory's to create cost-effective ways for businesses to meet their material handling needs.

Pipeline Cleaners – leading pipeline brush and pig manufacturers in the United States designed to remove dirt, sand, wax, scale and debris. Specializing in pipeline brushes and pigs for the oil and natural gas industries.

Huffman Welding & Machine, Inc. – a premier jobshop specializing in process equipment, manufacturing, and maintenance repair.   Services include; fabrication, machining, sheet metal, engineering, and integration. HWMI includes an industrial supply and farmstore division.

Morse Rubber – manufactures and markets specialized rubber products. These products are used in marine, industrial, mining, and agricultural applications.

Bartlett Instruments – manufacturer of temperature control products, primarily for the ceramic kiln market, but also offering affordable temperature control units customized for the greenhouse market.


Steffensmeier Welding & Mfg. Inc. – provides quality fabrication and specialty repair services. Other services include welding, laser cutting, metal cutting, machining, powder coat painting, and much more. Our facility also offers a wide selection of parts and various types of steel and metal on site.


Stuke Iowa - operating on approx. 30,000 square feet, Stuke Iowa offers a variety of manufacturing processes such as extrusion, injection-molding, 3D printing, assembly as well as in-house painting. Plastic is one of the most versatile materials of our time and it has many new and exciting possibilities.

Sign Up For Our Newsletter