JOHANNEBURG, Nov 12 (Reuters) - South Africa's governing alliance led by the ruling ANC begins a three-day meeting on Friday as President Jacob Zuma tries to pacify his leftist allies while also maintaining a pro-business environment.

Here are some details on the alliance, and the key issues the summit will deal with:

ALLIANCE MEMBERS

- The African National Congress, the Congress of South African Trade Unions (COSATU) and the South African Communist Party (SACP) are the three main members.

- The smaller South African National Civics Organisation will also participate in the meeting.

KEY ISSUES