Bellingham and Stanley Ltd
Bellingham and Stanley, UK based digital refractometers and polarimeter manufacturers, designed for calibration and measurement.
http://www.bs-ltd.com

Maselli Measurements, Inc.
Maselli's complete line of instrumentation includes in-line process refractometers, digital automatic laboratory refractometers, beverage analyzers for brix diet and CO2 monitoring and control, automatic process titrators, and winery must systems for brix pH and acidity.
http://www.maselli.com/products

Bellingham + Stanley Ltd
Bellingham and Stanley, UK based digital refractometers and polarimeter manufacturers, designed for calibration and measurement.
http://www.bs-ltd.com

National Microscope Exchange
National Microscope Exchange's carries a full line of new, used and demo micrscopes and refractometers in stock and online ready for purchase. What\'s New Here? - Hardware Software DVD Movies
http://www.nationalmicroscope.com/

Atago Co., Ltd.
ATAGO CO., LTD.--manufacturer of various refractometers, polarimeter, saccharimeter, pHmeter, saltmeter, Brix meter, refractive index such as Abbe, hand-held, digital, pocket and in-line process models. 株式会社アタゴ---屈折計、糖度計、ブリックス計、水分計、比重計、濃度計、旋光計、pH計、塩分計の専門メーカー。果汁や飲料の糖度、つゆ、 調味液、洗浄液等の濃度、素材の屈折率、旋光度測定が可能。用途に応じて様々な機種を揃えています。
http://www.atago.net/

Rudolph Research Analytical
Refractometer, density meter, polarimeter, saccharimeter and accessories manufacturing, sales and service: J Series of Automatic Refractometers, Autopol Line of Automatic Polarimeter and Saccharimeter Products, and Density Meters - Rudolph Research Analytical.
http://www.rudolphresearch.com/

Greers Ferry Glass Works
Scientific glassware such as hydrometers, thermometers, viscometers, centrifuge tubes and refractometers. Custom and off-the-shelf designs.
http://www.gfglass.com/

Precision Measurement Equipment and Scientific Supplies
PRECISION Fittings -- Supplying quality Measurement Equipment and Scientific Supplies to North America. located in kirkland lake ontario, and Calgary Alberta
http://www.p-mess.ca/

Technika
Sper Scientific is a leading supplier of environmental health and safety measurement instruments and geophysical testing equipment to government agencies, universities and organizations seeking to maintain EPA and OSHA regaulatory compliance.
http://www.technika.com/

Meopta Prerov
Company producing optical products including riflescopes, spotting scopes, enlagers, projectors, profile projectors, refractometers, and lenses.
http://www.meopta.cz