Keystone Investigative Services, Inc. is a national provider of investigative services for litigation, personal injury, corporate/workplace matters and insurance related cases. Our corporate headquarters is located in Los Angeles, California and we specialize in a 360 degree perspective on information gathering. We have a long standing reputation for our quality information products and excellent customer service. With over 35 years of experience, Keystone investigators have keen instincts and are at the forefront of experts in the field of legal investigations. For more information visit www.keystoneis.com or contact our office for a complementary strategy session at (626) 676-5170. Experts in Litigation Support and Complex Investigations Specialties:  Experts in Customized Litigation Support  Insurance Defense  Complex Background Investigations  Legal Investigations  Locating People  Business Investigations  Surveillance  Asset Investigations “More of What You're Looking For” CA License No. PI26751 Now Celebrating our 10 Year Anniversary! Contact us today for a FREE consultation or book a complimentary strategy session: (626) 676-5170