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Carl A. Nelson & Company is an industrial, institutional and commercial design-builder, general contractor and construction manager. On design-build and construction management projects, we provide superior pre-construction services to produce the greatest impact on a construction project's success and the best value for our customers. Our project management staff are highly qualified, degreed engineers and construction managers, and our project supervisors average more than 25 years of experience in construction. On Design-Build, Construction Manager at-Risk and General Contractor projects, we use our highly skilled construction craftsmen on self-performed in areas ranging from concrete to steel, bridge crane installation and millwright, and more in between. We work throughout the United States and are well positioned to provide you service that is second to none.

National award winning Midwestern Mechanical & Roofing Merit Shop Company specializing in completing large, complex building projects quickly. We design, install, balance and test commercial and industrial HVAC, Plumbing, Pipe-Fitting, Sheet Metal, Geothermal, and Roofing Systems.

Hoffmann, Inc. is an Iowa based design build firm, conducting business throughout the continental United States since 1914. Through our vast history and experience, we are a nationally recognized leader in the design and construction of cast-in-place, reinforced concrete storage silos and chimneys. In the 1970’s, Hoffmann expanded its customer base and began building cast-in-place reinforced concrete storage structures with increased diameters. These larger diameter storage silos were constructed using the jumpform technique. Jumpform construction also became an efficient method for building industrial concrete chimneys. As diameters expanded over 90 feet, Hoffmann expanded our construction capabilities. The slipform technique was and is used as an additional method for constructing cast-in-place reinforced concrete silos and chimneys. Slipforming is also used for cylindrical structures having a common wall, square, or irregular configurations. Hoffmann is one of a few U.S. companies that offer both jumpform and slipform concrete storage silos, chimneys, and specialty structures. Several factors led Hoffmann into the fabrication and installation of steel stacks. First, Hoffmann began offering fabricated steel items as an added service to our customers of concrete silos and chimneys. Second, we were constructing concrete chimneys in the same industries requiring steel stacks. Hoffmann now supplies steel stacks in a large variety of configurations. Design, fabrication and erection services are offered for any size of steel stack required for domestic use or export.

Our mission is to provide Johnson County and surrounding areas with nothing but exceptional service and value. We take pride in our work and getting the job done in a safe and timely manner. Our primary business is concrete paving in Johnson county and the surrounding area. Streb Construction Co. is an equal opportunity employer.

A full line mechanical contracting company specializing in plumbing, millwright, steel fabrication, process piping, refrigeration, and maintenance services. Also dedicated to electrical, fire sprinkler systems, HVAC, and data technology.

Frank Millard Co Inc is a mechanical or industrial engineering company based out of 2420 Avenue L, Fort Madison, IA, United States.

Allen Blasting and Coating, Inc. is a premier painting contractor committed to providing a safe, rewarding and healthy work environment for our employees. Our focus on quality control and environmental protection enables us to deliver a competitively priced, high quality finished product. Our pledge is to establish lasting relationships with our customers by exceeding their expectations and gaining their trust through exceptional performance and integrity by every member of our team.

For over a century, Seither & Cherry Co. has used constructive technology to create a backlog of satisfied customers. We are a multi-discipline contractor, specializing in industrial service. Our capabilities include turn-key projects, steel erection, heavy rigging, millwright precision alignment, equipment installation, mechanical, instrumentation and electrical work.

Brandt Heating & AC is an information technology and services company based out of 946 Atlantic Ave, Rochester, New York, United States.

Millennium Concrete Corp is a real estate company based out of 621 Ohara St, Scranton, Pennsylvania, United States.

Mohrfeld Electric is an electrical contractor based out of Southeast Iowa. Divisions with specialists in solar, residential, commercial, industrial, & low voltage. Mohrfeld Electric offers a 24 hour service department.