Our History

Founded in 1994, SmithCo Manufacturing emerged from Lawton, Iowa native Greg Smith’s desire to design a side dump trailer that would meet the Federal Bridge Formula, eliminate dangerous and expensive end dump trailer tip-over and increase efficiencies and revenues in the construction industries.

SmithCo Manufacturing started production in an existing factory south of Le Mars, Iowa in 1994. The 1st year had a total production of 3 trailers with 3 employees. In less than 4 years production was over 250 trailers a year.

Having reached a maximum production level out of the existing 28,000 sq ft factory, ground was broken on a new 70,000 sq. ft. state-of-the-art facility on adjacent property. Operations moved into this new building in November 1999. At full production capacity, SmithCo has the ability to produce over 800 trailers yearly in this facility, enabling the business to increase annual production by almost 300 percent from the previous facility.

Today, SmithCo produces more side dump trailers and more side dump trailer models than any other manufacturer! Our success is credited to our passion for unequaled quality, custom design solutions, and industry leading service. SmithCo offers  the largest selection of side dump trailers in the world for a variety of markets including road and building contractors, aggregate producers, agriculture industry, demolition contractors, governmental bodies, waste handling & environmental clean-up industry and erosion control contractors. 

SmithCo excels in meeting the unique needs of its customers.  Quality has always been at the forefront of everything that SmithCo produces. SmithCo is known industry wide as having the best- built trailer on the market, evidenced by its products consistently achieving the highest resale values in the industry. SmithCo has always been, and will continue to be, at the leading edge of side dump technology.


Our history is remarkable and our future looks even better.

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