IRD Glass with sites in Litchfield and Alexandria, MN is a private company specializing in the production of custom optical and precision glass & ceramic components. Originally started in 1982, IRD Glass underwent an ownership change in 1997 and re-incorporated in Minnesota. Current estimates show this company has an annual revenue of $5 to 10 million and employs a staff of approximately 20 to 49. IRD Glass performs the following types of operations on most types of glass & ceramic materials: machining, lapping, polishing, grinding, sawing, dicing, optical coating, turning & assembly. Typical components manufactured by IRD glass: mirrors, prisms, windows, lenses, cylindrical lenses, tubes, rods, cuvettes, mounts, pedestals, substrates, wafers & optical filters.