Solution
def company_filter(db, filter_type, filter_value, minmax):
match filter_type:
case "industry":
filter_list = []
for filter in filter_value:
filter_list.append(Company.industry == filter)
return db.query(Company).with_entities(Company.id, Company.symbol, Company.name, Company.monthly_exp).filter(or_(*filter_list))
...