- Jurong Island
- Tuas Link
- Changi Cargo
- Country Clubs
- Army Camps
- Seletar Aerospace
- Off-shore Islands such as Pulau Ubin and Pulau Tekong
- Turf Club Avenue
- Resorts World at Sentosa
- Singapore Prison Quarters
- Airbase sites
- SATS Inflight Catering Centre 1
- ST Kinetics
- Shipyards
- Powergrid
- SRA (Singapore Rifle Association)
- St.John / Lazarus Island / Khusu Island
No delivery will be made outside Singapore or to post office boxes. Zenterra Lighting reserves all rights to reject delivery to other relevant restricted areas within Singapore.