Supplier (noun)

1. A person or company that provides a particular product or service.
2. A person who provides something for another.

Origin:

Late middle english (originally denoting a person who supplies food or provisions): from old french, from latin supplier, from sub- "from below" + plicare "to fold".

Examples:

1. The store is one of our main suppliers of fruit and vegetables.
2. The supplier failed to deliver the goods on time.
3. She is a leading supplier of quality office equipment.
4. The company is searching for new suppliers to meet demand.
5. We are the sole supplier of this product in the market.