What does SEMO stand for?

Montalvo - Ecuador - ICAO location identifier (ICLI)

Selma to Montgomery National Historic Trail - Tuskegee Institute, AL - National Park Service designator (NPSD)

Southeast Missouri Health Network (MHID)

State Emergency Management Organisation - New South Wales, Australia

Supply and Equipment Management Officer (AAGC)

System Eingineering and Management Organization (SAUS)

Systems Engineering and Management Operations - Military

Systems Engineering Management Organization (SAUS)