This is my very first Hydroponic System that I am hoping to set up to provide lettuce and spring mix for a café/deli that I own in Downtown LA. I’m hoping to capitalize on the marketing value of “OrganiCali Home Grown”.
OK, is this an Aquaponic System or are you going to set up a Hydroponic system or one of each.

you can and should put some worms directly into the grow beds
As for the worms in the grow bed, that issue has been discussed before and you should take heed before you do so. Read here.

Adjusting PH and adding worms

Whatever you do, slow down and plan your Aquaponic System setup and layout carefully. You will be thankful you did in the future and don't try to rush nature. She is very fickle and can come back at you in the strangest way.