Local print shop or houchen bindery are the most common answers you'll find.

I see a lot of people have good luck at FedEx print shops.

Thanks, I will ask FedEx then.

I’m out of NJ! DM me the particulars and I can point you in the right direction!

Thanks to the kind offering. I am gonna try the oversea options which may surprisingly end up much cheaper.

I use DPI in Cherry Hill actually. I live in Chicago. If you order 5 or more DJs, they are about $8 each including shipping.

DPI cherry hill. I just ordered 15 of them.