Airplane T-Shirts: Dozens of multicolor designs covering general aviation, warbirds, homebuilts, ultralights, and helicopters.
Aviation Gifts: A collection of simple slogan shirts aimed at aviators and their families.
Check Six Enterprises: Original designs by pilot/artist Russ Hopf. Images range from homebuilts to jets, through many eras of flight.
Epic Skyriding Company: Designs for paraglider pilots.
Leatherneck Air Corp: Aviation related T-Shirts. Also has airplane pictures.
Sophos Silk Screening: A collection of American military designs.
TriStar: Aviation art from your favorite American airlines, past and present.