There's some printed, English-language information available here, and the staff are helpful and friendly. Perhaps most useful is the compiled list of current bus companies servicing Tana Toraja they keep on hand.
This helpful guy offers motorbike and car hire, pick-up and drop-off services and tours across Sulawesi. He's reliable, trustworthy and his rates are very reasonable.
The most convenient and well-equipped hospital in Makassar. Some staff speak English. It's out near the toll road.
Located 14km from the city centre, on the road to the airport. Fairly efficient Visa on Arrival extensions.