
Not Just Welding—Inventing What Comes Next
Mashed Thumb Welding & Fabrication is more than a metal shop—it’s a creative engine fueled by precision, passion, and innovation. Founded by local entrepreneur Calvin Erwin, this Oneida-based business is quickly becoming a standout in Scott County’s industrial landscape.
Whether it’s custom fabrication, cast metal repair, or aluminum work, Calvin and his team bring unmatched skill and vision to every project. Their motto, “Not Just Welding—Inventing What Comes Next,” speaks to their commitment to pushing boundaries and creating solutions that last.
Mashed Thumb offers a full range of welding and fabrication services, and they’re proud to be part of the Scott County Chamber of Commerce. With deep local roots and a forward-thinking approach, they represent the best of what our young entrepreneurs have to offer.


