UNI Global Union, formerly Union Network International (UNI), is a global union federation for the skills and services sectors, gathering national and regional trade union. It has affiliated unions in 150 countries representing 20 million workers. The head office is in Nyon, Switzerland. UNI Global Union ratified over 50 Global Framework Agreements with multinational corporation as of 2021.[1]

https://en.m.wikipedia.org/wiki/UNI_Global_Union

The Strategic Organizing Center (SOC), formerly known as the Change to Win Federation (CtW), is a coalition of North American labor unions originally formed in 2005 as an alternative to the AFL–CIO. The coalition is associated with strong advocacy of the organizing model. The coalition currently consists of Service Employees International Union (SEIU), the United Farm Workers (UFW), and the Communications Workers of America (CWA), the latter of which is affiliated with both the SOC and the AFL–CIO.

https://en.m.wikipedia.org/wiki/Strategic_Organizing_Center

The American Federation of Labor and Congress of Industrial Organizations (AFL-CIO) is a national trade union center that is the largest federation of unions in the United States. It is made up of 60 national and international unions,[2] together representing more than 12 million active and retired workers.[1] The AFL-CIO engages in substantial political spending and activism, typically in support of progressive and pro-labor policies.[3]

https://en.m.wikipedia.org/wiki/AFL-CIO