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State-of-the-Art Manufacturing

Established in 1906, Simonsen Iron Works is a fully integrated, state-of-the-art, advanced manufacturing operation located in Spencer Iowa.  Simonsen specializes in Contract Manufacturing, specifically metal based fabrication, welding, powder coating, and assembly of products for a variety of industries including power sports, agricultural, construction, and turf care equipment.  Our modern facility is abundantly versatile, featuring a variety of machines that provide production capabilities for an array of diverse products and projects.  

Recent Acquisition Fosters New Opportunities

We are pleased to announce that Simonsen Iron Works was recently purchased by Thurston Manufacturing Company of Thurston, Nebraska.  We are excited about the new relationship bringing expanded manufacturing capacities to our current and future customers.  Since 1971 Thurston Manufacturing Company has been providing high quality products to the Agricultural and Construction Industries through their BLU-JET and Circle R Side Dump product lines, as well as providing contract manufacturing services to numerous OEM customers.


Customer Testimonials

Everyone at Simonsen is great to work with… Information is provided without even needing to ask for it (ship dates, open order report, etc.). You make my job easier!
Keep up the good work!!!
You do a great job for us.
Your service has been great, and you are very understanding and helpful in "emergency" situations.
Very good quality and quick response time-you are a great asset to our business!
I love the customer service they provide


05-30-2013: Thurston, Simonsen celebrate new business relationship

05-22-2013: Thurston Manufacturing Company Acquires Iowa Company

05-21-2013: Thurston, Neb., company saves 30 Iowa jobs

05-20-2013: Manufacturing Plant Is Staying Open

05-20-2013: Thurston Manufacturing Company Acquires Simonsen Iron Works