Bus Ministry - Our 16 bus routes provide transportation from all over Carroll County, Reisterstown, Littlestown, PA, and Hanover, PA for the Sunday morning services.  

Children Ministries - At Church of the Open Door we believe that children are an important part of our church. It is our role to train and equip them for the future.  

Carroll Christian Schools - Built upon the traditional classroom, CCS offers a complete program of academics, fine arts, and athletics for preschool through 12th grade.  

Deaf Ministry - Sign language interpretation is provided for our Sunday morning service at 10:45am as well as for our Sunday evening service at 6:00pm. Our Deaf Sunday School Class meets on Sunday morning at 9:45am and our Deaf Bible study meets on Wednesday nights at 7:00 pm. Both the Sunday School Class and the Bible Study Class meet downstairs in Room 104. 

DivorceCare - A series of support groups and seminars conducted by people who understand what you are experiencing. Most importantly, you will learn how to deal with the pain of the past and look forward to rebuilding your life.  

DivorceCare for Kids (DC4K) - DivorceCare for Kids provides the opportunity for children of divorce to experience hope, help and restoration in their lives today and in the future. 

GriefShare - A Grief Recovery Support Group for people who are grieving the death of someone close to them. It's a place to be with people who understand what you are feeling. At GriefShare you'll receive valuable information about recovering from your grief and renewing your hope for the future. It is a Biblical based program to teach you how the Lord Jesus Christ can help you in your journey from mourning to joy.  

Handicapped Ministry - An outreach to the mentally and physically handicapped in our community. 

HOPE - Home-school Oversight Program Extension - HOPE has been designed to support and provide oversight, encouragement, advice, and record keeping for families who choose to train up their children at home (Deut. 6:4-6) in faith, virtue and knowledge (II Peter 1:5).  

Joyful Connection- A group for ladies of all ages that meets the first Monday of each month for prayer, Bible Staudy, and encouragement to one another. The new Fall 2014 session begins on September 8, 2014.

Missions - Through regular financial and prayer support of missionaries and missionary projects, our church reaches to every corner of the globe.

M.O.M.S. - (Making Our Mothering Significant) - Meets every second and fourth Tuesday from 9:30 - 11 a.m., September through May. Ladies enjoy craft, teaching and discussion groups. Children's ministry provided.  

Music Ministry - There is an adult church choir, a senior adult choir, a youth choir, a children's choir, a church orchestra, plus many individuals presenting special music, both vocally and instrumentally. 

New Convert Class  -  A ministry designed to start the new convert in Christ on the road to spiritual growth and maturity as they learn vital fundamental Scriptural Truths from the Word of God in a special 12-week class.

Nurseries - A clean, well-kept and well-staffed nursery is provided for all Sunday and Wednesday services. 

Reformers Unanimous - A faith based addiction program designed to direct the addicted back to God's support group - the local church. We are a ministry committed to restoring addicts through the Gospel of Jesus Christ. We meet on Friday nights from 7:00 pm - 9:00 pm. 

Soul Winner's Club - The SOUL-WINNERS' Club is a simple yet proven and successful 12-point local church program that teaches you how to win your first person to the Lord Jesus Christ. 

Sunday School  - There are five major divisions: Preschool, Elementary, Teen, Adult, and Handicapped Ministries. Within the adult division, there are 7 classes to choose from ranging from college to senior adults, both singles and married couples.

Super Sixties - For folks 55 or older, this ministry is a must. Meeting to eat, fellowship, entertain, and to serve. Trips (local and out-of-state) are a regular part of the Super's activity. 

Teen Ministry - This is built around our Sunday School classes and Wednesday Bible study; reaching teens, developing their potential and molding them into outstanding young men and women.  

Willing Hearts and Hands  - A ministry helping and encouraging those who are elderly or who may be shut-in due to illness or other physical limitations and are not able to get out and about.