Davidson & Schiller is a law-firm situated in Chicago, IL devoted to the practice of United States. Their firm represents educational, corporate and research institutions and individual customers throughout the US in all parts of immigration-law.

Matters regularly handled include temporary workers, intra company transfers, applications for permanent residence, treaty-investor status, national interest-waiver and unusual alien immigrant petitions etc and all areas of representation before the US Citizenship & Immigration-Service.

http://www.davidsonschiller.com/

The city of Chicago has a diversified population of different cultures and religions.

Though the most common language spoken is English, some other languages like Spanish, Polish, Arabic, Russian, Cantonese, German, Chinese etc. are also spoken. As the city of Chicago is a tourist spot, it attracts a wide range of people across the world which makes them speak these languages.

The Polish Language is the most common language in Chicago, since it constitutes a large ethnic Polish group; the Polish people and their language have been widely prevalent in the city from early years.

http://wiki.answers.com/Q/What_language_is_spoken_in_chicago

http://findarticles.com/p/articles/mi_m0EIN/is_2004_August_17/ai_n6163662/