Paintball USA, Field of Fire, California Paintball Park, and SC Village. There are a few others that have closed over the years.
Directions to the Field:
Clear instructions are on the website. www.conquestpaintball.com
I have been paint-balling off and on for over 7 years. I have played at tournament level many years ago and now play just for fun with some buddies. I have to say that bang for buck, Conquest Paintball Field is your best bet. Their staff is knowledgeable and friendly. If I have questions about my gun or someone else's, they are very helpful. Most of the time, they fix the problem for you. Their prices are extremely reasonable. For me, and this is just personal, but they are the closest field in the San Fernando Valley. Every other field is just too far away. From what I've heard, they are expanding the field, so it is going to be that much better. If you are looking for a good place to go, whether as a group or alone, this is your place.
The only reason I give this place a 9, is that you don't want to spoil them and let them become complacent.