Mueller Field Operations, Inc. is a wholly owned subsidary of Paul Mueller Company. It is headquartered in Springfield, MO. Mueller Field Operations offers complete construction services with an emphasis on expanded scope projects. Our specialized labor force and complete construction services, emphasizes stringent quality control processes that allows you to control the costs, schedule, and scope of your project. We have experience with on-site field-erected tanks and vessels; equipment installation; vessel retrofit; and process piping.