S-T Industries, Inc. - Saint James, MN
Manufacturer
Manufacturer & worldwide distributor of optical comparators. Types of optical comparators include horizontal & vertical beam optical comparators. Available in steel construction & 14 in., 16 in., 24 in. & 30 in. size models. Standard 14 in. horizontal optical comparator includes 4 in. x 10 in. stage travel, 50 lbs. weight capacity, 5 in. x 16 in. nickel plated top plate with 2 dovetails, tungsten-halogen illumination & dust cover. Remanufactured used optical comparators are also available. Made in the USA.
www.stindustries.com/products.html

Inspec, Inc. - Canton, MI
Distributor, Custom Manufacturer, Service Company
ISO/IEC 17025:2005 certified laboratory with 24/7 services & emergency hotline. Coordinate Measuring Machine (CMM), hardness tester, laser measurement, machine moves, machining tool certification, optical comparator, surface plates, vision system calibration & repair. Complete calibration & measurement service & product sales supplier. Precision tool calibration & repair, contract inspection & layout services, new & pre-owned equipment sales. Thermocouple & temperature specialists.
Brand Names: Acu-Rite, Renishaw
www.inspec-inc.com/updates-refurbishment.ht...

Gage-Line Technology, Inc. - Rochester, NY
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of optical comparators including pocket comparators. Comparators are suitable for imaging, optical, metrology & gaging applications.
www.gage-line.com/products.html

Precision Calibration Services, Inc. - Roseville, MI
Distributor, Service Company
ISO/IEC 17025:2005 certified distributor of optical comparators with digital readouts. Features include precision telecentric lenses up to 100 magnifications, constant or variable speed horizontal drive with precision ground hard chrome plated table, high contrast shadow projection with 250 W mercury arc lamp, 0.00005 in. resolution glass scales & standard variable speed power vertical drives. Optical comparators for geometric computation are also available.
Brand Names: CLASSIC
www.precisioncalibration.com/catpages/compa...

Vision Engineering, Inc. - New Milford, CT
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of comparators including video & optical measurement microscopes. Measurement microscopes are available various models & configurations. Specifications of microscopes include 10x to 50x magnification, 60 W semi-coaxial spot lamps, 150 W six-point ring lights & 100 W episcopes, 30 W substages, 100 mm to 150 mm X & Y axis measuring range, 10 kg maximum glass plate loads, 0.001 mm encoder resolution on X & Y axis, 0.005 mm stage repeatability on X & Y axis & 20 degrees C controlling temperature.
www.visioneng.us/

Q-PLUS Labs - Irvine, CA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Distributor of standard & custom comparators including optical comparators & projection comparators. Other products include multi-sensor vision systems, CMMs, DCC-CMMs, 3D scanners, software, optical video probes, optical comparators, precision hand tools, articulating arms, high-accuracy form & roundness testing equipment, custom gages, fixtures & retrofits. Used comparators are also available.
Brand Names: Starrett
www.qpluslabs.com/producttypes/optical-comp...

A.A. Jansson - Waterford, MI
Distributor, Service Company
Distributor of new and used equipment including optical comparators. Capabilities include calibration, repairs, consulting, training and inspection. Meets ANSI/NCSL Z540-1-1994 and ISO/IEC 17025-1999 standards. A2LA Accredited. Used products may not always be available.
www.aajansson.com/aaj_classifieds/index.php...

Measure-All, Inc. - Fairfield, OH
Manufacturer, Custom Manufacturer
Distributor of optical & gage comparators.Capabilities include design & build of specials to handle specific requirements, special work holders & slides to hold or move parts through gages, integration of gaging equipment to computers & process controllers, on-site demonstration equipment, set-up, calibration & training on major instruments & full certifications traceable to NIST standards.
Brand Names: S-T, Starrett, Suburban
www.measure-all.com/products.html

Judge Tool & Gage - Stratford, CT
Distributor
Distributor of optical instruments including horizontal and vertical comparators. Various features include cross roller bearings, vertical screens, electronic screen protractors, lens and screen locking mechanisms.
Brand Names: Deltronic
www.judgetool.com/opticalcomparators.aspx

George S. Maier Co - Edgemont, PA
Distributor
Distributor of optical comparators. Optical comparators are available in a variety of screen sizes including 14 in., 16 in., 20 in. and 30 in. screen sizes. Stage travel can also vary from 6 in. x 8 in., 6 in. x 10 in. and larger. Most optical comparators are accessorized with geometric readout systems, fiber optic surface illumination with gooseneck or ring light type. Illumination available with tungsten halogen bulbs or LED.
Brand Names: CCP, Deltronic, Mitutoyo
geomaier.thomasnet.com/category/optical-com...

Optical Comparators Products
	Deltronic DH216 Optical Comparator System Certified Comparator Products

MSC Industrial Supply Co. - Melville, NY
Distributor, Custom Manufacturer
Supplier of 450,000 products from 2,500 mfrs.: cutting/machine/hand/power tools, MRO supplies, abrasives, fasteners, precision instruments, machinery, electrical supplies, safety equipment, HVAC, welding, hose, tubing, fittings, material handling, pumps, power transmission, janitorial; same day shipping
www.mscdirect.com

Optics Technology, Inc. - Pittsford, NY
Custom Manufacturer, Service Company
Custom manufacturer of optical comparators. Optical products also include microscope objectives, fiber-imager eyepieces, laser collimators, endoscopes, micro-imaging devices, camera systems, prisms, lenses, miniature mechanical shutter assemblies & electro-mechanical shutter assemblies.
www.opticstechnology.com/services/micro-opt...

MacKenzie Machine & Design, Inc. - Hingham, MA
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified custom manufacturer of vernier calipers, optical comparators, tool fixtures & micrometers, CNC machined parts & components for various OEM companies. Capabilities include CNC milling, turning & grinding machines. CNC, general & special machine shop services using materials including metals & plastics producing parts in various sizes. Industries served include aerospace, environmental, food handling, government sub-contractors, high tech, medical, military sub-contractors, pharmaceutical, & semi-conductor.
www.mackenzie-machine.com/index.html

Accu-Chek, Inc. - Georgetown, IN
Service Company
Distributor of optical comparators & precision instruments. ISO/IEC 17025 accredited calibrating services of all inspection, measuring, & test equipment (IMTE) to either manufacturer’s specifications, Federal/Military/ANSI specifications or, if requested, to customer requirements. All IMTE's are calibrated using written procedures & standardized data sheets. All work is performed by trained technicians & is continually monitored by both internal and external ISO 17025 auditors.
Brand Names: Brown & Sharpe, Starrett
www.aciquality.com/Sales.html

Edmund Optics - Barrington, NJ
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified worldwide manufacturer & distributor of standard & custom optical comparators. Types of comparators include straight line comparison scale & comparator sets, magnet ink scale & comparator sets & linear measurement scale & comparator sets. Comparator & reticle sets, junior comparators, pocket comparators, wide field magnifiers, opaque base magnifiers, loupe with measuring scale & transparent base magnifiers are also available. Comparators are available from 6x to 16x zoom. RoHS compliant.
www.edmundoptics.com/microscopy/magnifiers/

Surplus Record Machinery & Equipment Directory - Chicago, IL
Manufacturer, Custom Manufacturer
Directory for surplus, used & reconditioned optical comparators. Nearly 60,000 items listed by over 1,100 suppliers worldwide.
Brand Names: Jones & Lamson, Kodak, Nikon, OGP
www.surplusrecord.com/srg/005864.htm

Jerpbak Bayless Co. - Solon, OH
Custom Manufacturer, Service Company
Facilities include 2-15 in. optical comparators. Capabilities include CNC turning & milling, CNC & O.D grinding, helical milling, honing, boring, drilling & specialty threading. Other capabilities include onsite calibration lab, statistical process control & support for the nuclear industry. Meets ISO-9002 requirements.
www.jerpbakbayless.com/index.html

Sterling Machinery Exchange - South El Monte, CA
Distributor, Custom Manufacturer
Distributor of new & used industrial machinery & equipment including optical comparators. Different features include digital readout systems, surface illumination, manual vertical table adjustments, table micrometers & pair of centers.
Brand Names: Jones & Lamson, National, Nikon, Starrett
www.sterlingmachinery.com/listing.php?cat=C...

Titan Tool Supply, Inc. - Buffalo, NY
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of comparators including optical comparators. Products include hand held flashlight comparators. Features include 10X power magnification, etched glass reticle, consistent light source, over-all length of 6-3/4 in. with flashlight handle, head length of 2 in., lens dia. of 1 in. & glass etched reticle of 2 in. dia. Used by machinist tool makers, printers & inspectors. Products can be customized as per requirement. Available with 6-month limited warranty.
www.titantoolsupply.com//1001-Hand-Held-Fla...

Action Machinery Co., Inc. - Bethlehem, PA
Distributor, Custom Manufacturer, Service Company
Buy/Sell, Liquidate, Appraise Auction Used/New Metalworking Equipment. Hardinge Specialist. Single Machine. $5 Million Inventory. Trade-Ins. Experts.
www.actionmachinery.com/search-inventory/co...

Hildebrand Machinery Co., Inc. - York, PA
Distributor, Manufacturer, Custom Manufacturer, Service Company
700 machine tools in stock. Certified appraiser. Buy, sell, trade, liquidate metalworking machinery. One piece - entire plant.
www.hildebrandmachinery.com

Warren-Knight Instrument Co. - Philadelphia, PA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of comparators including optical & projection comparators. Available with accessories including spherical adapters, wye rotating bases, slides, tilt mounting bases, magnetic mirrors, scale holders, scales, trivets, instrumental & adjustable stationery stands. Certification, calibration, repair & rental services available with NIST traceability. Markets served include the military, research institutes & commercial industries.
www.warrenknight.com/products/product-catal...

AIM Machining Inc - Parkton, MD
Manufacturer, Custom Manufacturer, Service Company
Inspection equipment includes vernier calipers, pin & thread gages, micrometers, optical comparators & coordinate measuring machine maintained & calibrated in accordance with MIL-STD-45662A requirements. Applications include military defense, industrial & commercial.
www.aimmachining.com/services.htm

The Walter A. Wood Supply Co., Inc. - Chattanooga, TN
Distributor
Stocking distributor of precision tools including optical comparators. Gage blocks, coordinate measuring machines, calipers, surface plates, dividers & micrometers are also available.
Brand Names: Mitotoyo, Starrett
www.walterwood.com/default.aspx

TNT Industrial Machinery - Huntington Beach, CA
Distributor
Distributor of used optical comparators. Other products include industrial machines such as welding equipment, presses, press brakes, ovens, sheet metal machinery, milling machinery, metalworking machinery, CNC machinery, machine tools, lathes & grinders.
www.tntind.com/