Plumbing Engineers Inc. Since 1974 Home Photos Contact Services Testimonials LHIH Plumbing Engineers Inc. a licensed and bonded union plumbing company founded by Joe Hatfield Sr. in 1974 located in St. Louis MO, with a long standing reputation of superior service and outstanding craftsmanship. We offer residential and commercial plumbing installation and service to the greater St. Louis area. Our licensed union plumbers are courteous, clean and efficient. In addition to installing plumbing systems, we provide Design/Build construction, plan and specification construction. We maintain industry safety guidelines on every job. We have established an outstanding reputation for quality products and services and the credit for this goes to every one of our employees. We are proud of the work we have done for our clients -- their repeat business is a testimony to the quality work we do. Professional Affiliations: Plumbing-Heating Cooling Contractors Association (PHCC) Plumbing Industry Council (PIC) Plumbing Contractors Association of St. Louis Plumbers Pipefitters Local 562 International Union of Operating Engineers Local 513 Professional Engineering Corporation ©2021 Plumbing Engineers Inc. 9731 Gravois Road, Saint Louis, MO. 63123 Phone (314) 631.9721 • Fax (314) 631.9735