Equal Pay International Coalition, Scaling Up Nutrition, Global Alliance of NGOs for Road Safety these are only three form plenty great initiatives that are described on The Partnerships for SDGs online platform. It provides global engagement for multi-stakeholder partnerships and voluntary commitments from all stakeholders devoted to support the implementation of the Sustainable Development Goals

You can use this platform to search for project partners or just read about some initiatives and inspire yourself.

https://sustainabledevelopment.un.org/partnerships/