S.I. Howard Glass Co., Inc.

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S.I. Howard Glass Co., Inc. supplies glass to manufacturers in the electronics, optics, aerospace, military, medical, display, semiconductor, and technical‑instrument sectors. Its catalog features borosilicate, filter, soda‑lime float, transparent, anti‑reflective coated, crown, and alkali‑free glass, as well as signal mirrors and rear or front mirrors. The company also fabricates custom glass components. Production capabilities include CNC machining, milling, dicing, edging, scribing, and lapping, supporting everything from prototype batches to low‑ and high‑volume runs. Secondary processing services comprise silk screening, tempering, heat strengthening, and a range of coating options. All operations are performed in the United States, and the business is ITAR registered.

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