General Sponsors

Seiler Instrument

Seiler Instrument is a contract manufacturer, specializing in fire-control equipment, as well as a distributor of surveying instruments, microscopes and Zeiss planetaria. There are several main divisions at the company: Manufacturing, Surveying, Microscope, CAD, Night Vision, Planetarium, and Administration.

The Manufacturing Division at Seiler Instrument specializes in optical fire-control equipment and components for predominately the U.S. Military. The division manufactures periscopes, telescopes, target collimators, boresights, borescopes, gunsights, dioptometers, tripods, and metal components and offers CNC machining, turning, optical/mechanical assembly, testing, SPC, R&D and performs inspections to MIL-I-45208 or MIL-Q-9858.

Our Surveying Division offers a variety of state-of-the-art equipment from well known United States, European, and Japanese manufacturers. With additional offices in Kansas City, Indianapolis, Chicago, and Sheboygan, Seiler instrument is now even more accessible and able to serve a much wider area. Architects, contractors, surveyors, and engineers know they can choose from a wide variety of products ranging from supplies to robotic total stations and GPS systems All offices offer sales, service, rentals, and training.

Our Microscope Division distributes microscopes for the healthcare industry in the United States and abroad.  The product line starts with the basic binocular brightfield microscope and extends through the phase contrast and fluorescence scopes to the colposcope and office surgery microscopes.

Our CAD Division offers a full line of software solutions from Autodesk and Carlson. In addition computer systems, HP plotters and printers, and scanners are available. This allows our CAD Division to offer a complete turnkey system to meet the requirements of architects, surveyors, engineers, and contractors.

Our Night Vision Division offers the Seiler VisionMaster night-vision sniper rifle scope.

Our Planetarium Division offers Zeiss planetaria for the Carl Zeiss Jena Company in the United States and Canada.


  • Street: 3433 Tree Court Industrial Blvd.
  • City: St. Louis
  • State: MO
  • Postcode: 63122


Seiler Instrument


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