Duenner Supply Company is a privately held company in Tulsa, OK and Houston, TX.  Its headquarters is located in Tulsa, OK.

Duenner Supply Company, Inc, (DSCO) is a family owned Oklahoma company, operating since 1964. The Company has employed the best talent in the business. Today, Andy Freeberg, Managing Director, is well known in the industry as a leading expert in metallurgical application of all materials offered by DSCO.

Working with the largest mills in industry, DSCO maintains a constantly rolling inventory of the most popular specialty metals in demand today by the oil, petrochemical, heat exchanger industry, and meeting strict ISO standards.

In addition to a large inventory, DSCO has made a significant investment in two large computerized water jet cutting tables for cutting plate in all dimensions and sizes.

In 2009, DSCO purchased the only Fitchburg machine in the world capable of fine finishing of large plates to extremely high tolerances, meeting strict customer requirements to produce DIAMONDIZED METAL™ sheet and plate.

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