Large Scale Integration 
Lead System Integrator 
Lead Systems Integrator 
large-scale integrated 
large-scale integration 
Latent Semantic Indexing 
Lake Superior and Ishpeming Railroad 
Large Scale Integrated 
Legal Support Inspection 
Lunar Science Institute 
Lake Superior and Ishpeming Railroad C… 
Landing Ship, Infantry 
Langelier Saturation Index 
Lead System Integration 
Lear Siegler Inc. 
Line Station Interface 
Line Status Identification 
Line Status Indication 
liquid secondary ionization 
La Salle Institute 
Land Survey Information 
Language Systems Incorporated 
large scale integrated circuits 
Large Scale Intergration 
Large Scale of Integration 
Large-Scale Investment 
largest single item 
laser speckle imaging 
Lead Systems Integration 
League Services Incorporated