Presolicitation notice from the State Department of the US Embassy Singapore is seeking monthly maintenance services for the audio-visual system in one of their offices. The anticipated performance period is for a base year, with four one-year option periods. All responsible sources may submit a quotation. The contract will be awarded based on the initial offer without discussion and will be a firm fixed price type-contract. Contractors must be registered in the SAM database prior to submitting their offer. Electronic submission of offers is allowed. Prospective quoters must comply with all Singapore legal and regulatory requirements.