Haynes and Boone, LLP
- Texas business firm with additional offices in New York, Washington DC, and Mexico City.
- http://www.haynesboone.com/

Encinas, Jimenez, Koslow y Asociados
- Business firm with offices in Hermosillo, Mexico and Tucson, Arizona.
- http://www.us-mexlaw.com/

Appleton & Associates
- Based in Toronto, Ontario and New York City, specializing in international trade, electronic commerce, tax and investment law.
- http://www.appletonlaw.com/

Gardere Wynne Sewell LLP
- Business firm with offices in Dallas, Austin, Houston, Washington D.C. and Mexico City.
- http://www.gardere.com/

Winstead Sechrest & Minick
- Full service corporate law firm with national and international capabilities, with offices in Dallas, Houston, Austin, Washington D.C., and Mexico City.
- http://www.winstead.com/

Osler, Hoskin & Harcourt
- Offering services for matters including business law, taxation, and litigation, from offices in Toronto, Ottawa, Calgary, and New York.
- http://www.osler.com/