The NSCC, A*CRC and NGA exhibit represents the supercomputing ecosystem in Singapore. National Supercomputing Centre (NSCC) Singapore (www.nscc.sg) is a national petascale facility with a 1 petaFLOPS system, multi-petaBYTE data storage and high speed multi-gigabit network connectivity, locally and internationally, to support HPC needs for academic, research and industry communities. A*STAR Computational Resource Centre operates 2 data centres with a combined computational power of 116 TFlops. A*CRC (www.acrc.a-star.edu.sg) manages several HPCs and supports over seven hundred users. NGA (https://posithub.org) drives the global computing arithmetic revolution with innovative unums and posits.