CompoTech Structural Composite Tubes
Design, product development and manufacture of high performance FW composite tubes for industrial applications, drive shafts, hydraulic and pneumatic cylinders. Marine tubes. Aaxial fibre filament laying process in carbon, glass or aramid. [IOW, UK]
http://compotech.com

Karay Metals, Inc.
Karaymetals Distributors of Hydraulic Tubes, DOM Tubes, Seamless Steel Tubes, Brass Tubes, Cold Drawn Steel Tubes to A513 T5,T6, A519, Hydraulic Fluidline tubes J525, J524.
http://www.karaymetals.com

TubeTronic
tubetronic.com
http://www.tubetronic.com/

General Aviation Industries
Manufacturer of trailers, hydraulic pumps, towbars, weapons adapters, maintenance platforms, engine trailers, hydraulic cylinders, torsion tubes, cargo locks, engine hoists, and lift wheel dollies.
http://www.gaiinc.net

Phamitech International Company Ltd
Exporter of electron tubes, TWT, valves, thyratrons, magnetrons, klystrons, transmitting tubes, heating tubes, vacuum interrupters and X-ray tubes made in China
http://www.phamitech.com

Daily Electronics
Retailor of electron tubes and vacuum tubes, plus new and hard-to-find obsolete tubes.
http://www.dailyelectronics.net/

PSP-Tubes.com
PSP Tubes for Paint Shop Pro 6, 7 and 8. Free downloads. Tutorials. Members area for unlimited downloads.
http://www.psp-tubes.com/

Zeitmann tubes
We have NEW and used ECC81 ECC82 ECC83 ECC85 E88CC EL84 and EF86 Tungsram vacuum tubes.
http://www.zeitmann-tubes.com/

Triflo Tech, Inc.
We are a leading manufacturer of industrial flow parts used in nuclear, HVAC, hydronic, and other industries.
http://www.triflotech.com

TAI Services
NDT nondestructive inspection of tubes, eddy current testing on chiller tubes, flux Leakage testing on boiler tubes.
http://www.taiservices.com