Freight Forwarders

Freight forwarders provide shipping form the United States to overseas. Shipping is free to the United States shipping point typically in New York for Europe, Los Angeles for Asia and Miami for Caribbean, Central and South America.

UBox worldwide has rates online. A 24 x 18 x 18 inch standard box is equal to approximately 100 pounds of food. 

Aero Post Serving: Bahamas, Columbia, Costa Rica, Dominica, El Salvador, Guatemala, Haiti, Honduras, Jamaica,  Panama, Peru, Trinidad & Tobago, St Vincent & Grenadines 
MasterDelivery serving many countries, Caribbean and South America. 1 to 500 kilos.
Letter Express Venezuela, Central and South America. Air and Ocean Consolidating.

Caribbean Consolidators:

Arrowpac: Puerto Rico and Caribbean Air and LCL (Less than Container Load by Ocean)

Laparkin Serving: Antigua, Barbados, Dominica, Dominican Republic, Grenada, Guyana, Haiti, Jamaica, Puerto Rico, St. Kitts, St. Lucia, St. Martin, St. Vincent, Suriname and Trinidad.
Jamaica Freight/Miami Freight - UFHL Jamaica Freight Consolidators

Four Star Shipping: Low Air rates to Puerto Rico, British VI Tortola & US Virgin Islands, St. Thomas and St Croix. Carib-Trans.com: Caribbean Air rates, Ocean quotes 

Polo Express: Air and Ocean shipments to the Caribbean and South America.
South American Airways . RapidoCargo.net serves Honduras

Worldwide Freight Forwarders:

Hellman Worldwide Logistics, Hellman Perishable Services & Countries served.

Country Specific: Brazil . Israel . Turkey . Russia . Suriname . List of: Forwarders.com