aussieBum: Specializes in nylon swimwear and rash tops. Located in Australia.
Club Thongs: A clearinghouse for quality men's swimwear and thongs.
Fashion USA, LLC: Designs mens custom swimwear, underwear, workoutwear, and bodyshirts, in a variety of styles, fabrics, prints and colors.
Hillcrest Swim: Designer of men's swimwear. Specializing in thongs and bikinis.
Next to Nothing: Men's swimwear.
NudieBoodie: Adjustable swim and active wear for men.
Vizeau: Swimwear, t-shirts, clubwear, and activewear from Marcus Roche.