Weiler in Knoxville will be hosting an open house today. They recently added an office expansion and will open it to the public from 3-6pm. Staff will be on hand to greet residents and answer questions. There will also be guided factory tours to showcase the expansion, new corporate offices, and their products. Weiler now have 176,000 square feet of manufacturing space where they create products offered nationally through Caterpillar dealerships.