This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Optical Goods Manufacturing Machinery.
Ophthalmic Lens Cutting, Drilling, Edging, and Grinding Machines; Specialized Semiconductor, Microcircuit, and Printed Circuit Board Manufacturing Machinery.
Possible NAICS Codes
238150 – Glass and Glazing Contractors
327215 – Glass Product Manufacturing Made of Purchased Glass
337215 – Showcase, Partition, Shelving, and Locker Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333248 – All Other Industrial Machinery Manufacturing
327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing