You can look in the phone books and on the web. However, these only provide partial information.
For an excellent, comprehensive, list of over 100 ministries with offices in the Springs, go to Christian Leadership Alliance.
An example of the information you will find is their listing:
Christian Leadership Alliance (CLA) 2925 Professional Place, Suite 201, Colorado Springs, CO 80904
C/S Chapter Pres: David Lee Contact: Julia Warton Phone: 719-213-4675 Email: email@example.com
The CLA Colorado Springs Chapter seeks to connect and equip Christian professionals in the Colorado Springs area to be effective leaders impacting the world for Christ.