C & K in Aston, PA is one of the largest independently owned machine shops in the country. Founded by Doug Chalmers & John Kubeck in 1950, with 240 skilled engineers machinists, mechanics, welders and fabricators. Chalmers and Kubeck are experts in industrial repairs and maintenance of all types. We are fully equipped, three acre facility, with up to 50 ton crane capacity, which can handle any job from large to small. Customers include original equipment manufacturers, steel mills, power utilities, oil refineries, pulp/paper mills, chemical companies and pharmaceutical companies.