USCIS - The USCIS, or the United States Citizen and Immigration Service, is a department within the Department of Homeland Security (DHS). The USCIS was created by the Homeland Security Act of 2002. The USCIS consists of approximately 15,000 employees and 250 field offices around the world.

Immigration and Naturalization Laws and Regulations

DOL Law Library - Immigration Collection

Code of Federal Regulations (CFR)

Legal Research Web Guides

LawInfo.com

LawCrawler.com

FindLaw.com

Federal Statutes: What Are They and Where to Find Them

ImmigrationLawResources.com

Law Firms:

Chang & Boos - Immigration Law Firm with offices in Bellingham, WA, New York, NY, and Los Angeles, CA.

Nachman & Associates, P.C. - successful law firm headquartered in Ridgewood, NJ, with offices in New York, NY, North Olmsted, OH, and Los Angeles, CA.

McTyre Law - A leading U.S. immigration portal featuring Immigration Directories, Immigration Assistant, BCIS (a.k.a INS) Processing Times, News, Message Boards, Chat Rooms, Online Consultations, BCIS (a.k.a INS) Forms, Immigration Newsletter, and more.

Greenberg Traurig - A large US-based law firm practicing in many areas of the law including immigration law. Greenberg Traurig has many offices across the US and Europe.

Law Office of Warren K. Woo -  The Law Office of Warren K. Woo provides high quality legal services aimed at small and mid-sized businesses as well as individuals.

Philanthropic Websites:

Minneapolis Foundation - Dedicated to promoting the acceptance of immigrants in the Minneapolis area, it is one of the oldest and largest community foundations in the United States.