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About Us

Tri-Lakes Container is one of the largest independently owned sheet plants in Indiana. The company was established in 1990 by co-founders Robert Peter Jr. and Alan Sumpter with over forty years of engineering and manufacturing experience.

Tri-Lakes Container is a small company with a big heart. We offer the highest quality products and services to most adequately meet our customers’ needs. From our JIT flow of products, to our custom printing capabilities, to our competent customer service and sales staff, to our quick turn around, it is all done with our customers in mind.

In September of 1994, Tri-Lakes Container received the U.S. Small Business Administration’s Administrator’s Award of Excellence.

“Tri-Lakes Container was given an excellent rating in every possible evaluation category, the highest possible rating for a subcontractor. The firm has an excellent track record of quality and performance.” - SBA

None of Tri-Lakes’ success could be possible without the support of its dedicated and loyal employees. Our employees take pride in what they do and take ownership of the product they are putting out. A large percentage of our employees have been with the company since day one, producing a very low turnover rate. This also helps to create and maintain a very family-oriented atmosphere within our company.


Tri-Lakes Container is well equipped with a wide range of both standard and specialty converting equipment. We feel this is important in order to supply your companies packaging needs no matter how diversified they may be. We have implemented an aggressive capital improvement program to allow us to maintain our ability to offer the most efficient and effective product to our customers.


While more and more companies are moving away from owning and operating their own shipping fleet, we are adding to ours. We feel that it is an integral part of our service to be able to offer our customers product when they need it and not when it’s convenient for one of our drivers. All deliveries are planned with our customers’ needs in mind. Tri-Lakes offers both 53’ trailers and straight trucks and can accommodate drop trailer situations.