TIS, Tis or 'Tis may refer to: Companies/Organisations. TIS Productions, a Colombian television production company commonly called TIS and previously known as Fox TeleColombia and TeleColombia. Taporoporo'anga Ipukarea Society, an environmental NGO based in the Cook Islands. Transparency International Slovakia, an anti-corruption non-governmental organization. Trusted Information Systems, a former computer security research and development company. The International School of Macao, a Canadian international school in Macao.
https://en.wikipedia.org/wiki/TIS