Founded in 1856, A.Y. McDonald Manufacturing Co. is a leading producer of water and gas distribution components, including valves, fittings, and pumping systems for residential and commercial applications. The company’s core focus is on delivering reliable, high‑quality products while maintaining an honest, customer‑centric approach that has earned it a reputation for exceptional service. A.Y. McDonald’s family‑driven culture encourages collaboration and continuous improvement, ensuring employees are empowered to innovate and exceed expectations. With manufacturing facilities in Dubuque, Iowa, and additional sites in Albia, IA, and Elizabethton, TN, the company remains committed to benefiting future generations of customers, employees, and shareholders.
Chicago Fittings Corp. is a major manufacturer of natural gas, propane, and specialty industrial fittings. The company is family owned and has a history of quality products since its founding in 1930. As a subsidiary of A.Y. McDonald Industries, Chicago Fittings Corp. operates as a family atmosphere, and we thrive in a team-oriented environment.
Founded in 1856, A.Y. McDonald Manufacturing Co. is a leading producer of water and gas distribution components, including valves, fittings, and pumping systems for residential and commercial applications. The company’s core focus is on delivering reliable, high‑quality products while maintaining an honest, customer‑centric approach that has earned it a reputation for exceptional service. A.Y. McDonald’s family‑driven culture encourages collaboration and continuous improvement, ensuring employees are empowered to innovate and exceed expectations. With manufacturing facilities in Dubuque, Iowa, and additional sites in Albia, IA, and Elizabethton, TN, the company remains committed to benefiting future generations of customers, employees, and shareholders.
Bay State Milling Company