Whats the name for this?

1 Name: Anonymous 2020-06-15 20:23
Whats it called when a particular business has a product, a from that product other businesses emerge?

For example: If your product was the automobile, gas stations, tire shops, car washes, ect. emerged from it.
2 Name: Anonymous 2020-06-15 20:29
3 Name: Anonymous 2020-06-15 20:31
This would be more of a support to the already existing business.

Im trying to think of the word for when an entire brand new business gets created from an already existing one.

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