Matreya LLC.
Matreya, LLC manufactures and sells a broad range of lipids for Biochemical Research, specifically Signal Transduction, such as Sphingosines, ceramides, gangliosides, phosphatidyl inositol phosphates and many more, for Microbiology Research and Food Research with a most extensive line of fatty acids and esters, including many very unusual ones, alone and in mixes.
http://www.matreya.com/

Inositols.com
Scientific resource for inositols, phosphoinositides, phosphatidylinositols and other essential cell signaling molecules.
http://www.inositols.com