Prince of Peace partners with a number of local, national, and worldwide organizations.
- Cross Roads is a welcoming, ecumenical retreat center and camp of the Episcopal Diocese of Newark and the New Jersey Synod of the ELCA. It is accredited by the American Camp Association and offers retreats for all ages.
- Dutch Neck Presbyterian, West Windsor - Prince of Peace and Dutch Neck Presbyterian have celebrated joint worship services and educational opportunities.
- Evangelical Lutheran Church in America - The national church body of which Prince of Peace is a member. Through its offerings, Prince of Peace supports ministries around the world including World Hunger, HIV/AIDS Ministry, Lutheran Disaster Response, and campus and outdoor ministries. The ELCA states: We are the church that shares a living, daring confidence in God's grace. Liberated by our faith, we embrace you as a whole person--questions, complexities and all. Join us as we do God's work in Christ's name for the life of the world.
- Interfaith-RISE (Refugee and Immigrant Services and Empowerment) facilitates and supports the self-sufficiency and community integration of refugees and asylees from across the world through affordable housing, English language proficiency, employment services, and cultural orientation, and by providing access to social, mental health, and healthcare services in Central and Southern New Jersey. This congregation sponsors an annual Welcome Picnic and generously donates needed items for their clients, our immigrant neighbors. POP also has a team of volunteers who work directly with an "adopted" family and help at I-RISE events through the Trenton and Highland Park offices.
- Lutheran Social Ministries of New Jersey (LSM/NJ) - Prince of Peace partners with LSM/NJ to serve persons of all ages who are in need by providing Easter grocery bags, backpacks and school supplies, Christmas gifts, and in other ways, as requested.
- St. Bartholomew Lutheran, Trenton, is Prince of Peace's closest church partner. The two congregations share ministry in many ways, including worship, fellowship, and community outreach.
- The New Jersey Synod of the ELCA - Prince of Peace is a member of this synod, which oversees and coordinates the congregations in New Jersey. It sponsors mission trips to Bosnia, which Prince of Peace supports by decorating handbags and making pillows and other items.
- Oasis Ministries offers ecumenical training programs in spiritual direction and contemplative prayer practices — deepening growth through spiritual companioning, day workshops, and retreat leadership. It holds regular workshops at The House Next Door. For more information, contact Pastor Dale Froehlke, dale.graceministries@gmail.com.
- Thrivent provides insurance and financial services to its members. Through its Action Teams program it has supported the building of a shed at the church's Peace Garden, helped with the purchase of picnic benches for outdoor programs and retreats, and generously supports our annual Refugee Welcome Picnic.
- Trenton Rescue Mission - Clothing drives are organized twice a year, usually in June and October. A box for donation is in the Gathering Area during those months.
- West Windsor Area Ministerium (WHAM) is an unofficial association of 32 members of clergy representing 20 Houses of Worship and 4 Ministries in the Townships of Cranbury, East Windsor, Hightstown, Plainsboro and West Windsor in Central New Jersey. It was was formed in 1976 by clergy in the area for the purpose of developing cooperation and understanding of social and cultural problems among their Houses of Worship.