Answer:
a. industrial distributor
Step-by-step explanation:
Industrial distributor -
It deals with providing the services or goods , which the business uses for their production of goods and services .
They act as an intermediate series , by purchasing the products in bulk and thereby supplying it to the business firm , so it can be used as a raw product for further production of the goods and services .
hence , from the question ,
Grainger is an industrial distributor .