What does STRI stand for?

Sequential Tracking, Registration and Information (SAUS)

Smithsonian Tropical Research Institute - Miami, FL

Sports Turf Research Institute - British (IRUK)

Stencil Type Route Indicator - Indian Railway (TIR)

Stones River National Battlefield - Murfreesboro, TN - National Park Service designator (NPSD)

Strick Trailers - NCIC trailer make code

Systemes de Telecommunications et Reseaux Informatiques - Systems Telecommunications and Computer Networks