Photo Sciences Inc.
Photo Sciences, Inc., the largest privately held photomask supplier in the United States, manufactures a wide variety of custom, micro-imaged substrates and substrate lithography systems for commercial and military applications. We deliver micro-patterning solutions by leveraging our combined core technologies, including micro-lithography, photomasks, chemical milling, glass and wafer shaping.
http://www.photo-sciences.com

Process Technologies, Inc.
Supplier of a wide variety of reticles.
http://www.reticles.us/

Benchmark Technologies
Provides reticles (photomasks) to the MEMS, photonics (waveguides), and semiconductor industries.
http://www.benchmarktech.com/

Datasights Limited
Datasights Limited - Photo Etchineers. Specialists in thin film etching, vacuum coating, graticules, reticles, gobos and other optical components.
http://www.datasights.com/company.html

Precision Optical Imaging
Manufacturer of precision optical imaged components, test charts, apertures, reticles, resolution standards and custom lithography services.
http://www.precisionopticalimaging.com

DuPont Photomasks
Photomasks and reticles for semiconductor, LCD and other microelectronics manufacturing.
http://www.photomask.com/

PKL
Photomasks and reticles for semiconductor, LCD, and other microelectronics manufacturing. Produces 2000 - 3000 sheets of photomasks and large masks per month.
http://www.pkl.co.kr/

Photronics, Inc.
Photronics is the industry leader in the design, development and production of reticles and photomasks for semiconductor and microelectronic applications.
http://www.photronics.com/

JML Optical Industries, Inc.
Designer and manufacturer of optical components such as singlets, doublets, triplets, mirrors, planos, prisms, filters, coatings, shutters, irises, reticles and diffusers.
http://www.jmloptical.com/

Martin Photomask Services
Martin Photomask Services provides expert photomask CAD services, data conversion software, reticles and top quality optical, E-Beam, laser and large area photomasks to semi-conductor and electronics manufacturers.
http://www.martinphotomask.com/