Companies that create products for you?

• international moving company
• cargo shipping company
• moving company estimates
• medical device manufacturers
• e commerce products

i want to put my artwork onto products and sell them but I have no idea how to get them onto products, such as phonecases, cups, posters, stuff like that?

does anyone know of any companies that will create the products for me and send them to me so I can sell them?

thank you so much

Companies that create products for you?