ChurchSource: Zondervan's source for church leaders including significant news, links to multiple resources, etc.
ChurchMax.com: Everything you need for your ministry or church growth program is here, at ChurchMax. We have Church and ministry marketing programs that include: promotional products, advertising and marketing, support, resources for your church or ministry, Internet hosting and Web site design and Internet Marketing support.
Churches.net: Clickable map to each state in the US with an International Directory that lists churches with links to available web pages.
Ethnic Harvest: Dedicated to serving ethnic churches in the U.S., inspiring and equipping churches for multi-cultural ministry, and helping build bridges between ethnic populations in the U.S. and foreign missions.
ForMinistry.com: Sponsored by the United Bible Society, this site provides a site for many churches in the US (and welcomes representatives from the churches to add material to the site for each church).
FreeHouseChurchResources.com: We provide resources to help house churches be strong and vibrant, and follow God's model for the church.
MyChurch.com: We provide interactive, community website programs for faith-related organizations. Take a few minutes to browse our site, click on our different demos, and learn more about our vision for online ministry. You'll like what you see.
UK Christian Handbook Online: Wow! "There are nearly 6,000 Christian organisations and Church headquarters in the UK. That includes a staggering 247 denominations, as well as 243 conference centres and 221 missionary societies!"
Don't forget to check the Church Planting page of MisLinks as well!