Calvin McRoy

Seiler Instrument is a manufacturer specializing in fire-control equipment and a distributor of the finest geospatial instruments and software, microscopes, and Zeiss planetaria. Our firm consists of several divisions including Manufacturing, Geospatial, Medical, and Planetarium. Seiler is an ISO 9001:2008 Registered Firm for all divisions except Geospatial & Design Solutions. Our Manufacturing Division manufactures optical instruments and components primarily for the U.S. Military. Seiler is the OEM for optical fire-control used on all U.S. Howitzer and Mortar systems. We are responsible for machining, assembly, and testing all optical fire-control system components. Seiler also specializes in refurbishing Howitzer optical fire-control equipment. Our Geospatial Division provides services to various industries: Survey, Architecture, Engineering, Design Build Construction, and Mapping GIS/GPS. We specialize in product sales, training, implementation, support, and rentals. We are the largest distributor in the United States for Trimble Navigation Ltd/Trimble® Mapping. We also have our Design Solution business division, which is an Autodesk® Gold Partner Reseller. Our Medical Division provides high quality optics and service to the medical and dental industry. Seiler offers a full line of medical microscope products including: Colposcopes, ENT, Audiology, Compound and Laboratory Microscopes, Multidisciplinary Surgery Microscopes and Surgical Loupes. We also offer a full line of Dental Microscopy products including Microscopes, Loupes, Loupe Lights, and Stools. Our Planetarium Division is the sole distributor of Zeiss Planetaria in the U.S. and Canada. Over 500 Zeiss Planetariums around the world testify to the success of Zeiss in providing the most realistic night sky possible and for surpassing simulation, educational and entertainment needs. We can assist with planning a new facility, replacing an old projector, or updating existing Zeiss equipment