- Appleton & Associates - Based in Toronto, Ontario and New York City, specializing in international trade, electronic commerce, tax and investment law.
- Gardere Wynne Sewell LLP - Business firm with offices in Dallas, Austin, Houston, Washington D.C. and Mexico City.
- Haynes and Boone, LLP - Texas business firm with additional offices in New York, Washington DC, and Mexico City.
- Osler, Hoskin & Harcourt - Offering services for matters including business law, taxation, and litigation, from offices in Toronto, Ottawa, Calgary, and New York.
- 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.