single-customposttype.php showing multiple posts

I’m working on http://www.cobbengr.com/civilservants and I have created a custom post type called service and a single-service.php template. My problem is the template is not just showing one post but all the posts. This is the first time I have done anything like this and I’m stuck.

Here’s an example of the template: http://www.cobbengr.com/civilservants/service/oklahoma-blood-institute-blood-drive/

Thank you for any help you can give me!