International Shippers' Representatives, Sampling and Weighing
Ores, Concentrates and Metals
About J.W. Wisner Inc.
J.W. Wisner Inc. History
Established in August 1989 by a 3rd generation mining entrepreneur, John Wisner, and now operated by his son and business partner, John Wisner III.
J.W. Wisner Inc. currently operates in 7 countries handling all WSMD (weighing, sampling, moisture determination) operations for a wide range of clients.
Our Goals
J.W. Wisner Inc. offers the highest quality weighing, sampling & moisture determination operations at ports, mines, smelters & refineries.
Our services are offered to all size mining, smelting & trading companies as well as Port, bank and insurance providers.
Our Facilities
We operate offices out of Tucson, AZ and Guaymas, Sonora, MX so we are very visible on both sides of the US / Mexico border. We currently have 2 labs in Guaymas, with 1 being inside the Port of Guaymas which is essential for our clients importing / exporting out of the Port, as well as a lab inside the Aceros de Sonora warehouse.
Exploring the heart of mining: A visual journey through our operations and expertise at J.W. Wisner Inc.
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Discover J.W. Wisner Inc. Mining
J.W. WISNER INC. GUAYMAS OPERATIONS ARE RUN BY FOUR MANAGERS AND 34 EMPLOYEES SPREAD OUT OVER TWO LABS AND A SEPARATE ADMINISTRATION BUILDING. OUR TWO LABS ARE STRATEGICALLY LOCATED INSIDE THE PORT OF GUAYMAS AND THE ACEROS DE SONORA WAREHOUSE WITH OUR ADMINISTRATION BUILDING BEING INSIDE THE PORT FACILITIES.