US Companies

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Aircooled.net: Aircooled.net is one of the best known parts suppliers in the industry. Renowned for it's quality parts and service. 
Aircooled Technology: Engine builder, specialising in performance Type 4 engines and engine cooling solutions. Works closely with LN Engineering.
Airkewld
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Chirco Performance Air Cooled Forums: 
CB Performance: Performance Type 1 engine and Type IV parts and also specialising in Turbo and E.F.I. parts.
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Hoffman Automotive Machine. Cylinder Heads. Specializing in Type 4. Does all the cylinder head work exclusively for Aircooled Technology and Flat 6 Innovations.
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LN Engineering: Performance parts for VW Type 1/2/3 and Porsche 914/912E Type 4 engines, specializing in aircooled Nickies Nikasil Cylinders and ARP fixings (head studs, rod bolts, and the like). They have been in business since 2002 and was founded by Charles Navarro.
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Mooneyes 
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Top Line Parts: Suspension component specialists for 1302 and 1303 beetles.
Type IV Store: Performance parts for Type 4 engines. Originally founded by Jake Raby and Aircooled Technology and has been operated by LN Engineering since 2014.
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