Since 1856, A.Y. McDonald Mfg. Co. has been built on people, creating products that allow communities access to clean water and natural gas. Our corporate headquarters, brass foundry, and main manufacturing plant are located in Dubuque, IA while we also own facilities in Albia, IA, Elizabethton, TN, and Kieler, WI. Between the four locations, A.Y. McDonald Mfg. Co. is often looking for talented individuals to join the A.Y. family. Continue reading to learn more about our company culture or cut right to the chase by clicking on the button below. Visit our About Us page to learn about A.Y. McDonald Mfg. Co.'s mission, vision, and values.

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Co-worker appreciation meals, an annual company picnic, and an on-site garden. At A.Y. McDonald Mfg. Co., we even make your birthday special. As a fifth-generational family owned company, culture means everything to us. Become a member of the A.Y. family and see for yourself just how true this statement is.


A.Y. McDonald Mfg. Co. has a longstanding tradition of trusted quality and dependable service – over 165 years to be exact. These attributes are advanced through the commitment of every co-worker. With dedicated training such as our emerging leader program and classroom training for production co-workers, everyone is challenged to capture the opportunity to excel and move upward to achieve a better product or process. Our co-workers strive to meet and exceed this challenge every single day.


At A.Y. McDonald Mfg. Co., it is common to not only start your career at our company, but to retire here as well. With numerous co-workers that hold multiple decades of service, we know how rare of an accomplishment this is to achieve in today’s economy. What keeps people coming (and staying) at A.Y. McDonald Mfg. Co. is a collaboration of our advancement opportunities, healthcare and investment options, innovative ideas and challenges, fast-paced environment, and our family-oriented culture.

Advanced Manufacturing

The latest design and manufacturing technology, and product research and development are continually at work at A.Y. McDonald Mfg. Co. Our engineers design using Creo (Formerly Pro/E) 3-D modeling and KeyCreator software. State-of-the-art CAD/CAM and CNC equipment is used throughout our plants to produce products to the most precise specifications and tolerances. Automation, robotics, simulation software, and prototyping (both 3D printing and subtractive) are all utilized and continue to be worked on.

Research and development are a primary focus as we seek to not only meet and exceed our customers’ current needs, but also anticipate future industry trends. A.Y. McDonald Mfg. Co. continues to be committed to industries it serves by investing in the necessary capital expenditures to continually meet the evolving needs of the customer.


As a well-established manufacturer in the industries A.Y. McDonald Mfg. Co. serves, the company saw an opportunity for growth and allocated more resources to innovation as of recent years. Thanks to this new mindset, the Innovation Center opened its doors in April 2016. With creativity and a willingness to bring ideas to life, the Innovation Center is the modern way of exceeding customer needs.


This unique department is located in a building within blocks of the Dubuque headquarters in order to best provide a fresh and open atmosphere. If you have a mind for creativity and the ability to think outside the box, A.Y. McDonald Mfg. Co.’s innovation center is the place for you!