Caraustar Industries
Manufactures recycled paperboard and converted paperboard products, including tubes, cores, composite containers, folding cartons, gypsum wallboard facing paper and other specialty and converted products. Operates plastics manufacturing plants and paperstock recycling and processing facilities.
http://www.caraustar.com/

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

The Newark Group
The Newark Group, founded in 1912, is an integrated global producer of 100% recycled paperboard and paperboard products with significant manufacturing and marketing operations in North America and Europe
http://www.newarkgroup.com/

Chicago Paper Tube and Can Co, Inc
Manufacturer of round paperboard packaging for cosmetics and fragrances as well as paper tubes and cores for shipping, mailing, packaging and protection. Contains pictures of products.
http://chicagopapertube.com

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

Iggesund Paperboard AB
Sweden. Virgin fiber paperboard for packaging, postcards, and book and brochure covers. Also, custom converting, extrusion coating, and plastic and metal foil laminating services. Part of the Holmen Group.
http://www.iggesundpaperboard.com/

The Rock-Tenn Company
Rock-Tenn Company provides a wide range of marketing and packaging solutions to consumer products companies at low costs, with combined pro forma net sales of $2.1 billion and operating locations in the United States, Canada, Mexico and Chile. The Company is one of North America's leading manufacturers of packaging products, merchandising displays and bleached and recycled paperboard.Headquartered in Norcross, Georgia, Rock-Tenn is listed on the New York Stock Exchange. The Company’s Class A common stock trades under the symbol RKT.
http://www.rocktenn.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/