National Security Services Inc. | EZlocal.com Business Listing#ezptNational Security Services Inc.<p><strong>National Security Services Inc.</strong><br />21356 South Avalon Blvd<br />Carson, CA 90745<br />(310) 933-1656<br /><a href="http://ezlocal.com/ca/carson/security-guard-service/095228474">ezlocal.com/CA/Carson/Security-Guard-Service/095228474</a></p><div>24-Hour Professional Contract Guard and Protection Agency</div>0,0,0