According to the Office of the United States Trade Representative:
Mexico is currently our 3rd largest goods trading partner with $531 billion in total (two way) goods trade during 2015. Goods exports totaled $236 billion; Goods imports totaled $295 billion. The U.S. goods trade deficit with Mexico was $58 billion in 2015.
The US is Mexico’s largest supplier. Of all Mexico imports, 46% are from the United States. Mexico was the United States’ 2nd largest goods export market in 2016.
Following are the most important exports from the US to Mexico.
Machinery $42 Billion
Electrical Machinery $41 Billion
Vehicles & Vehicle Parts $21 Billion
Mineral Fuels $20 Billion (Gasoline, natural gas)
Medical Instruments $12 Billion
Plastics $16 Billion
Textiles 4.13 Billion
Agricultural Products $18 Billion (Corn, soybeans, dairy products, pork, beef, apples, malt, margarine)
Services $31.1 Billion (travel, transport, intellectual property)
Weapons 19.8 Million
Chemical Products $13.4 Billion
In addition, numerous US companies such as Ford, Chrysler, Procter& Gamble, CocaCola, Kimberly Clark, IBM, Walmart, Starbucks to name a few, have a business presence in Mexico that is not reflected in the net benefit of the US doing business with Mexico.