COMPANY HISTORY

Supreme Manufacturing Inc. was founded in 1990.  In the early years, Supreme manufactured conveyors, hoppers and feeders.  In the following years, Supreme manufactured parts for foreign and domestic clamshell dredge companies.  Based on 40+ years of experience at family owned sand plants, where many mining methods such as loaders, excavators, draglines, Sauermann buckets, suction dredges, foreign clamshell dredges were tried, the best choice was developed, .. a ..

Supreme Manufacturing, LLC with its many years of experience accepted a change in ownership June of 2024. Purchased by the same owners as LJ Inc. out of Swartz Creek, Michigan they have pooled together the experience, knowledge, and expertise of both teams to enhance the end product for their clients. 

SUPREME CLAMSHELL DREDGE.

In 1999 Supreme sold their first American designed and made clamshell dredge.  Since then, Supreme has developed a wide range of products and has earned a reputation for manufacturing a SUPREME dredge and providing SUPREME service after the sale.

Supreme’s main product and service lines are floating clamshell dredges and conveyors, ancillary dredge equipment (buckets, rock barges and work boats), land conveyors, bins and hoppers, subcontracting and components.

Supreme operates out of one facility in Stoneboro, Pennsylvania.  The campus is situated on a 7.15 acre site and consists of three buildings used for manufacturing, storage, engineering and administrative purposes.  The buildings are located at 327 Billy Boyd Road and comprise 28,800 square feet (120’x240’ manufacturing), 2,400 square feet (30’x80’storage) and 1,848 square feet (28’x66’office).

Our Vision

Building a better tomorrow through God's direction with technology and innovation.

-Philippians 4:13

Our Mission Statement

To empower people to be a part of something bigger than themselves.