There are many kosher inspection groups in the US, especially in Brooklyn, NY, which has at least sixteen.[2]. There's a whole "more kosher than you" thing going there. In Israel, where the government is heavily involved, it's used as a competitive weapon to stop some imports.[3]
[1] http://www.nytimes.com/2000/08/04/nyregion/judge-voids-law-c... [2] http://www.crcweb.org/agency_list.php [3] http://www.globes.co.il/en/article-how-food-importers-use-ra...