Seiler Instrument is a contract manufacturing company specializing in high precision machining and optical instrument assembly. In addition, Seiler is a distributor of surveying software and instruments, microscopes, and Zeiss Planetarium equipment. The Seiler foundation is made up of several main divisions including Manufacturing, Geospatial, Medical, and Planetarium. Seiler’s corporate headquarters is located in St. Louis, Missouri, with additional Geospatial sales offices in Indianapolis, Kansas City, Milwaukee, Omaha, and Chicago.  All Seiler Instrument and Manufacturing Company team professionals are committed to providing the highest quality products and services which exceed our customer expectations through continual improvement.