Missionary Resource Network is an organization in South Florida that exists to provide shipping and logistical services to missionaries as well as sourcing products for ministry and personal needs of missionaries.
Amezam Shipping specialize in shipping between the US and Zambia and Malawi, offering a discount for charitable shipments.
Helping Hands International is a ministry whose focus is "to extend the love of Jesus Christ to a lost and hurting world, allowing God to use our hands to carry out His healing work." Among their other projects, they ship items internationally for missionaries.
Expat Focus is not a shipping company; it is a website for expats offering information on moving and living overseas. They also give the opportunity to request shipping quotes for international moves.