Optimized Transportation Management, Inc.(fka OPTZ)

[Don]

Perhaps they can explain to you better.

Penson is a leading independent execution, clearing, settlement and technology firm servicing the global financial services industry. We provide our services in equities, options and futures to correspondents and introducing brokers. We are best known for our ability to service customers specializing in high volume, professional and semi-professional clientele.


http://www.penson.com/