there are many manufacturers of polyurethane catalysts. some of the most notable manufacturers include:

axada llc
industries
mitsubishi gas chemicals america inc.
polyurethane specialties inc.
solvay
these manufacturers offer a wide range of polyurethane catalysts including tin carboxylates, amines and bismuth carboxylates. they also supply a variety of other products such as isocyanates, polyols and additives to the polyurethane industry.

when selecting a polyurethane catalyst manufacturer, it is important to consider the following factors:

type of catalyst required
desired properties of polyurethane product
use temperature of polyurethane product
catalyst cost
availability of catalyst
reputation of manufacturer
consult a polyurethane expert to obtain advice on the best catalyst for a particular application is also important.