NorLab Specialty and Calibration Gases
Norlab Inc is your all purpose provider for anything related to gases. We sell calibration, specialty, protocol, medical, environmental, industrial, pure, analytical, or any other gas you could come up with. We sell some of our most common gases online but have many other available. We also carry regulators, tubing, and cylinder carrying cases and bags.
http://www.norlab-gas.com/

MESA Specialty Gas & Equipment
Mesa Specialty Gas is a supplier and source of specialty gas, compressed calibration gas cylinders, standards for instrumentation, specialty gas equipment, instrument grade gases - co2, oxygen, air. MESA Specialty Gas, Gases, Calibration Gas Equipment, Gas Cylinder Specifications
http://www.mesagas.com/

Daesung Sanso Co., Ltd.
Produces industrial gases, specialty gases for semiconductors, ultra high purity gases, standard gases, precise gas mixtures, medical gases, and gas equipment. Korea.
http://www.gastopia.co.kr

TrigasFI GmbH
Calibration of flowmeters for liquids and gases. Repair and service of turbine flowmeters. Consulting and training seminars on flow measurement and calibration.
http://www.trigasfi.de/

Spectra Gases
Spectra Gases Inc. is a leading supplier in next generation fine chemicals and high purity gases for the research, medical, fiber optic, semiconductor, environmental, laser, lighting, and high purity gas handling equipment.
http://www.spectra-gases.com/

Welco-CGI Gas Industries
GTS-Welco a Praxair joint venture distributes medical gases, industrial gases, atmospheric gases, process gases, specialty gases, welding supplies, safety products, and tools online and through over 40 locations nationwide. GTS-Welco helps virtually every industry improve product quality, boost performance and benefit the environment through the application of atmospheric, process and specialty gases.
http://www.welco-cgi.com

Mesa Specialty Gases & Equipment
MESA Calibration Gas is a supplier of specialty calibration gas, disposable gas cylinders and regulators. Pure oxygen, CO2 and hydrogen cylinders used in health & industry contexts. Compressed Calibration Gas Cylinders, Disposable Gas Cylinder, Specialty Gas Products
http://cal-gas.com

BOC India Ltd.
Operating in India since 1935, BOC India Ltd is a member of the BOC Group, the second largest industrial gases company in the world. Our products touch all aspects of daily life - from steel to medicare
http://www.boc-india.com/

www.accurategasco.com
Accurate Gas is proud to offer the highest quality calibration gas products available at an affordable price. Please contact us for a price quote or with any questions you may have concerning your calibration gas requirements.
http://www.accurategasco.com

Hitek Calibration Services
Calibration Equipment and electronic testing services - HITEK Calibration
http://www.hitek.co.uk