Research Amazon FBA Product and Supplier

I am launching an Amazon FBA business and I am looking for the following services for 4 solid products
-Product Research
-Supplier Sourcing
-Keyword research
My Trademark is authorized to sell in the following classes:
Class 10: Medical Instrument Products
Class 14: Jewelry Products
Class 21: Houseware and Glass Products Logo Attached.
Please provide proof of successful product launches.