who the biggest lawn mowing business in the U.S.?

Answer 1

The biggest lawn mowing business in the US is ServiceMaster.
Their lawn mowing brand name is called Trugreen Chemlawn.
This company does $3 billion in sales a year, including pest control

There is no one who comes close to their size.
They do a lot of homes, business, and have some big government contracts.

They are publicly traded, and you can find out all about them on their website.

Hope that helps

Answer 2

John Deer (certain of this)