This is a sources sought notice for market research only, seeking companies willing and capable to engineer, design, furnish, install, and test a new turn-key Giant Voice system at Ellsworth AFB, South Dakota. The system will reuse existing utility poles to provide real-time voice alerts, tone alerts, and music for full coverage areas. No submission deadlines or budget amounts are specified in this description. Performance of services will be at Ellsworth AFB, South Dakota. Interested companies should contact the specified points of contact with their CAGE code and active GSA contract numbers.