Any lab will develop 120 film .. it is the film that the pros use when shooting in medium format.
Anything Out There That Will Scan "Large Format" Will Be VERY Expensive. If You Can Live With Just Medium Format Scans, There Are A Few "Reasonably" Priced Models. If You MUST Scan Large Format I Would Suggest You Get Some Advice From Someplace That ...
The only difference is that if you are using a metal developing tank you will need a new reel for medium format, or if you are using plastic reels then you need to make sure they are adjustable. Developing procedures are based on the film, not the si...