Homelessness charities Refuge, the Salvation Military and the Los Angeles Mission were all integrated within the list.
In an Instagram post, they wrote: "With the festive holiday season upon us, it's also a reminder to reflect on those in need - those who may feel lonely, hungry, homeless, or may be experiencing the holidays for the first time without loved ones".
'It be a considerable time of year to serve those round you who would be less fortunate, or who would adore even the smallest act of kindness.
'We would savor to listen to about the ones that encourage you - so please recount us and add your nation's flag!'More news: Officer shoots armed student at Wisconsin high school
Despite rumours of a feud between the royal couples, Prince William and Kate Middleton shared a sweet message for Meghan Markle and Prince Harry following the birth of their newborn baby son.
Meghan volunteered at the charity when she was based in Toronto to film Suits.
"I was a bit disappointed that Harry and Meghan have decided not to spend Christmas with the Queen this year".
This Christmas is Meghan and Harry's first with their son Archie, who was born in May.
The Duke and Duchess of Sussex previously announced they are skipping the annual holiday festivities at Sandringham - including their public walk to church on Christmas morning - with Queen Elizabeth and the rest of the royal family.More news: ‘Doctor Who’: Premiere Date Set For Season 12, New Trailer Drops
And Meghan and Harry's solution to use Christmas rather then the Royal Family has since been criticised, with some calling it a "snub" to the Queen.
On Friday, Meghan and Harry wished their followers on Instagram a Happy Thanksgiving.
Just ahead of that visit, Trump referred to Meghan as "nasty," in an interview with the United Kingdom tabloid newspaper The Sun after learning that she had criticized him in a 2016 interview before his election-and before the marriage that would make her a member of the British royal family.
For the month of December the Duke and Duchess of Sussex chose charities that focus on providing food, shelter, and care for those who are homeless or simply need a little extra help.More news: The Hero of Hyrule is Coming to Super Mario Maker 2