H1-B– The H-1B is a temporary (non-immigrant) visa category that allows employers to petition for highly educated foreign professionals to work in “specialty occupations” that require at least a bachelor’s degree or the equivalent
H2-B – The H-2B non-immigrant program permits employers to temporarily hire non-immigrants to perform non-agricultural labour or services in the United States. The employment must be of a temporary nature for a limited period of time such as a one-time occurrence, seasonal need, peak load need or intermittent need.
L-1 – L-1 visas are available to employees of an international company with offices in both the United States and abroad. The visa allows such foreign workers to relocate to the corporation’s US office after having worked abroad for the company for at least one continuous year within the previous three prior to admission in the US.