Willis Plumbing, Heating & A/C » Businesses Go back to directory. Add to Address Book. Willis Plumbing, Heating & A/C Willis Plumbing, Heating & A/CLicense # 28 Description: Heating, Air Conditioning & Plumbing Contact: Ken Willis 401 Stoddard St. Monroe City MO 63456 work Phone: 573 248 9296work No Logo Available