The United States Citizenship and Immigration Services (USCIS) provides the forms necessary to submit applications and petitions for immigration. Their website also has many resources associated with each application and petition, along with descriptions and options for individuals and businesses.

The United States Customs and Border Protection (CBP) provides information on travel, trade and border security. Have a specific question about travel or preparing for your visit to the United States? CBP has informative tips and information.

The United States Department of State (DOS) provides information on visa options and categories, as well as providing a step-by-step process for submitting your documents and information for consular processing.

E-Verify is a web-based system that allows enrolled employers to confirm the eligibility of their employees to work in the United States. E-Verify employers verify the identity and employment eligibility of newly hired employees by electronically matching information provided by employees on the Form I-9, Employment Eligibility Verification, against records available to the Social Security Administration (SSA) and the Department of Homeland Security (DHS).