The LoBoS supercomputer compute and master nodes' requirements were provided to more than 75 vendors during the testbed and production phases. The winning vendor was Soft-Hard systems which assembled and tested the 64 compute nodes and 2 of the master nodes. All 66 machines were delivered on time with zero defects. Powerbox has also been the primary vendor for LoBoS2, LoBos3, LoBoS4.