Looking for more info and loads for the best deal, I was referred to heritage bank, anyone can chime in ?
I guess more and more banks are catching onto this lucrative business.
I've had clients with good experience with Investors Bank.
Also Kensington (Kensingtonfa.com) has a very streamlined program (and they claim to underwrite only the transaction, not the borrower - though since they are Jewish, I would strongly recommend checking with a competent Halachic authority regarding a Heter Iska in a fully secured loan).
If you are talking about really large lines with full financial underwriting of the borrower (and possibly moving assets), one can get cheaper terms than the off-the-shelf programs.
ETA: While some of the information is inaccurate, and Investors isn't mentioned,
this has some leads.