
Our History
We were founded by Constantine “Deno” Macricostas in Danbury, Connecticut in 1969. This one man, in a garage, began what would become the world’s leading company in photomask technology for the semiconductor industry. Follow our remarkable journey with this timeline of achievements.

Careers
Expansion in China
As the semiconductor and flat panel display photomask merchant leader, we are preparing for future demand growth of advanced technology in critical regions around the world. As a key part of this effort, we have built, opened, and staffed two brand-new facilities in China to support our customers’ continued innovations and their commitment to advancing critical technologies.
News from photronics
Read about our latest news. Check back here to stay up to date on our collaborations, achievements, events and technology breakthroughs.
Photronics to Report Fourth Quarter 2025 Results on December 10, 2025
BROOKFIELD, Conn. , Nov. 20, 2025 (GLOBE NEWSWIRE) — Photronics, Inc. (Nasdaq: PLAB), a worldwide leader in photomask technologies and solutions, is scheduled to announce financial results for the fourth...
Photronics to Participate in Upcoming Investor Conferences
BROOKFIELD, Conn. , Nov. 11, 2025 (GLOBE NEWSWIRE) — Photronics, Inc. (Nasdaq:PLAB), a worldwide leader in photomask technologies and solutions, today announced that it will participate in the following upcoming...
Photronics to Participate in the 17th Annual CEO Investor Summit During the Semicon West Industry Trade Show
BROOKFIELD, Conn. , Sept. 17, 2025 (GLOBE NEWSWIRE) — Photronics, Inc. (Nasdaq:PLAB), a worldwide leader in photomask technologies and solutions, today announced its participation in the 17 th Annual CEO...
Photronics Reports Third Quarter Fiscal 2025 Financial Results
BROOKFIELD, Conn. , Aug. 27, 2025 (GLOBE NEWSWIRE) — Photronics, Inc. (NASDAQ:PLAB), a worldwide leader in photomask technologies and solutions, today reported financial results for its third quarter of fiscal...