Founded in 1888, Schwab Company is a construction firm that operates Schwab, ALL TRADES SERVICE and Karkela Construction. The company s projects include art museums, schools, churches, universities, colleges, health care centers, commercial buildings and offices. Its subsidiaries provide crane and rigging services and offer millwright, plumbing, process piping and boiler installation solutions. ALL TRADES SERVICE provides piping, valve and pump maintenance services, as well as general contracting services for specialized construction projects. Karkela Construction serves architects, property managers, and medical office and property owners. The subsidiary specializes in the construction of dental clinics, hotels, and retail and commercial buildings.