Most of them do. From American Greetings to Zenith, many kinds of businesses have factories and assembly plants in Mexico. Some others include:
Maquiladoras
Maquiladoras.
They are known as maquiladoras.
They are known as maquiladoras.
No, Apple does not have it's own factories, it contracts third party companies like Foxconn
The consumers: people always looks for cheaper products, so many companies need to reduce costs unless they risk getting out of business. Countries like China or Mexico have much lower wages so these companies typically close their factories in the US and move to these countries.
Maquiladora.
NAFTA
You should note that not all factories in Mexico have this term; only foreign-owned assembly plants are known as maquiladoras.
Michelin has factories in many countries. Michelin US has 18 plants in US, Canada and Mexico, including 7 in South Carolina.
The United States and Canada are highly developed countries, while Mexico is not. This means a worker in the US would earn some 30-40 USD$/hour, while in Mexico the same worker would earn just 5-6 USD$/hour. This wage difference means a lot in savings for American and Canadian companies, who then "offshore" their production to Mexico and other countries with lower wages, such as Vietnam or China.
Companies and factories.