I found this through Google: 

229 S B Street #A
Stockton, CA 95205
209-320-5592

and this:

http://www.national-court-research.com/  Look at the upper right corner and there is an additional (1-866) telephone number and fax number.  I can find no filings under Business Filings with the California Secretary of State.

Go to this site to file a Complaint with the BBB against National Court Research in Stockton, CA:  http://www.bbb.org/stockton/business-reviews/legal-clinics/national-court-research-in-stockton-ca-90003510/#rating

Donna