Tricouni Portfolio Companies


Centerline Tank and Trailer Manufacturing


Centerline trailer is a brand-new over-the-road tank and trailer manufacturing company that builds bulk material transportation equipment. Formed in 2010 from two of Tricouni’s previous holdings, Engle Fabrication of Sauk Centre, MN and R-WAY Trailer Manufacturing of nearby Long Prairie, MN; Centerline combines the similar manufacturing and engineering capabilities of the companies into a single new brand located in Engle’s Sauk Centre facility. Centerline offers customers better access to a wider variety of products all under one roof. Although it’s a new company, Centerline products are backed by over thirty years of previous Engle and R-WAY experience in the market segments they serve.


The company designs, manufactures and services a wide variety of aluminum, stainless and carbon steel tanks a trailers. From bulk milk transport trailers, to municipal street flushers and fire apparatus, to road construction gravel dump trailers, to the exciting new vacuum liquid product trailers, Centerline is aggressively active in serving the needs of vital bulk material transportation industry customers nation-wide. From standard products to custom-engineered solutions to pre-owned and just-serviced equipment, the new Centerline Tank and Trailer company is a versatile, powerful brand ready to roll!

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