Smog or emission check facilities are common in states with tight air pollution controls. States like California and New York allow facilities that are not auto repair businesses to perform emission tests and issue official reports required for vehicle licensing and renewal. Emissions testing shops must hold special state licenses and in some cases, licensing agreements to operate their computer systems.
The southern Texas city of San Antonio welcomes business development and keeps entry into its market hassle-free. Aside from a select few business-types, San Antonio is very hands-off and allows entrepreneurs to operate often without any city licenses at all. Naturally, Texas and federal licensing still applies. San Antonio has developed a significant tourism industry in part by making itself a center for conventions. More than 20 million people visit San Antonio each year. The city's major industries also include financial services, government, health care.