Founded in Northwestern Pennsylvania in 2003, Optical Filters USA designs and manufactures custom optical enhancements that protect and improve electronic displays. The locally owned company specializes in display bonding and EMI shielding, with production ranging from rapid prototypes to high-volume assemblies at facilities in the United States and Europe. Its in-house research, testing, and manufacturing operations are certified to ISO 9001 and ISO 14001 standards.
ISO 9001:2015
certification
ISO 14001:2015
certification
NuShield, IncFounded in 1998 by organic polymer chemist Mark Ross, NuShield grew from a practical solution for an Apple Newton display into a Pennsylvania manufacturer known for custom screen protection. Its Bensalem facility serves customers developing and using electronic displays, converting film into fitted protection for more than 15,000 device screens. NuShield became a division of Princetel in 2022 and holds ISO 9001:2015 and AS9100D certification.326113BENSALEM, PA
Dontech, IncSince 1971, Dontech has designed and manufactured custom optical components, coatings, filters, and display and touchscreen enhancements for demanding systems. Its Doylestown operation is vertically integrated, supporting projects from concept through final delivery and producing components for applications ranging from military and avionics displays to medical equipment and spacecraft. Dontech’s quality system is certified to both AS9100D and ISO 9001:2015.238150DOYLESTOWN, PA
Penn Optical CoatingsFounded in 2013 by optical-coating specialist Iain MacMillan, Penn Optical Coatings develops and manufactures precision thin-film coatings for optics at its Pennsburg, Pennsylvania facility. The company works from prototype through large-volume production on optics ranging from 1 millimeter to 1 meter, drawing on more than 40 years of team experience and a library of over 7,500 coating designs. Penn Optical Coatings is ISO certified, ITAR registered, and produces all coatings in the USA.PENNSBURG, PA
Dontech, IncSince 1971, Dontech has designed and manufactured custom optical components and coatings that help displays, touchscreens, and precision optical systems perform in demanding environments. Its Doylestown operation is vertically integrated across four facilities, supporting projects from concept through final system delivery and producing everything from optical filters to functional coatings for spacecraft components. Dontech’s quality system is certified to both AS9100D and ISO 9001:2015.DOYLESTOWN, PA