John wrote:

Does anyone know of a pond contractor or similar business or
individual in this geographic area who would be interested in getting
referals for this business? She would likely want to supply livestock
& plants, and/or might want a small percentage for the referrals.

No, but there is a spring pond fair held at DuPage Co Fairgrounds on
May 7-8, which is a good place to find and meet people.

Good time/place to stock up on pond supplies.