Platinum Ag, L.L.C. Thu, 02/16/2023 - 12:00am Platinum Ag, L.L.C, located at 57475 115th Road near Shelton, is the epitome of a family run business. John Widdowson ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today! Read more about Platinum Ag, L.L.C.