Can trays be .made up for the holidays like antipasto or cheese & meat trays or cookie trays?

Yes they do trays of all types.

They do. Here is a link to their site. This link is for Party Trays...from the menu you can select ORDER and the site will give you other options to order than these trays. https://www.ingles-markets.com/order/order-party-trays

Probably, call the deli.