iLi Consult has four topographic survey teams staffed with Cambodian and expatriate survey engineers who have been engaged in some of Cambodia's most prominent infrastructure projects in the last few years. We are equipped with the latest GPS technology, total stations and digital leveling instruments.t has four topographic survey teams staffed with Cambodian and expatriate survey engineers who have been engaged in some of Cambodia's most prominent infrastructure projects in the last few years. We are equipped with the latest GPS technology, total stations and digital leveling instruments.