Warren-Knight Instrument Co. - Philadelphia, PA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of precision instrumentation including automatic optical inspection systems. Products include alignment telescopes, alignment collimators, optical micrometers, spherical adapters, magnetic mirrors, optical squares & auto reflection targets. Products also include auto collimation eyepieces, electronic striding levels & rotating bases.
www.warrenknight.com/

Strainoptics, Inc. - North Wales, PA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of automatic optical inspection systems for glass industry. Automatic optical inspection systems include digital stress analyzers, strain viewers & polarimeter systems.

Max Levy Autograph, Inc. - Philadelphia, PA
Manufacturer, Custom Manufacturer
Manufacturer & certifies NIST traceable microrules, line & dot grids/targets to align & certify linear & X-Y systems. Available in chrome on glass, etch & fill, high contrast & high density formats. UV, VIS, IR, x-ray, metrology/other system application.

Brush Industries, Subsidiaries of Brush Holdings Co. - Sunbury, PA
Manufacturer, Custom Manufacturer, Service Company
ISO 9001: 2000 certified custom manufacturer of automatic optical or vision inspection systems, testing equipment or readers for plastic cards & tickets. Features of vision inspection systems include portable standalone operation. Applications of automatic optical inspection systems include checking card dimensions, magnetic stripe location, signature panel quality, hologram registration, barcode readability, & logo quality. Other applications include checking card defects, missing elements, color variations, smart chip location, smart chip orientation, dirt & lint ink splatter, voids, & malformed printing.