Conex Electro Systems
Manufactures digital barometers and thermometers and other weather instruments.
http://www.conex-electro.com/

Schneider
Schneider CZ - výroba a distribuce teplomìrù, vlhkomìrù, cukromìrù, mo¹tomìrù a barometrù, kontrola pøesnosti mìøení, potisk reklamních teplomìrù, výroba nestanovených mìøidel, export, import
http://www.schneider-thermometer.eu/

RainWise Inc.
RainWise manufactures professional meteorological equipment for consumer and industrial applications. We manufacture solar powered wireless weather stations, data loggers, rain gauges, anemometers, barometers, thermometers and a variety of other weather products.
http://www.rainwise.com

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/

Princo Instruments, Inc.
Princo offers precision measurement and process control in the chemical, petrochemical, food, medical, pharmaceutical, water and wastewater treatment, and utility industries.
http://www.princoinstruments.com/