WordNet (r) 3.0 (2006):

ILO
    n 1: the United Nations agency concerned with the interests of
         labor [syn: International Labor Organization,
         International Labour Organization, ILO]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

ILO
       Integrated Lights Out (HP, JAVA), "iLO"