Massachusetts private investigator (MA, CT and RI) : Discovery Services Investigations specializes in surveillance, locates and statements. Our private investigators are licensed, bonded and insured in MA, CT and RI, and have served thes areas since 1993. Professional private investigators conducting cost-effective inveswtigations for some of the largest insurers in the nation, with clients all over Massachusetts, Connecticut, Rhode Island and the world. Although we are located in MA, we have a network of investigators all over the country, and several foreign nations, as well.