J Performance

Makers of Ceramic, Edge, Full Tilt, Full Tilt Ceramic, and Pro 1 barrels, barrel parts, and marker accessories offer dealer information. [requires JavaScript]
http://jjperformance.com/ - Detail
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Lapco Paintball Products

Manufacturer of BigShot and Autospirit barrels and marker upgrades provides illustrated product listing, and dealer information.
http://www.lapcopaintball.com/ - Detail
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www.FillStation.com

Makers of double valve fill station and Black Scorpion barrels.
http://www.fillstation.com/ - Detail
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