Enter AS ay isang tagapagbigay ng mga produkto at serbisyo tulad ng inland waterways engineering consultant,overhead linya engineering consultant,railway pagbibigay ng senyas at kaligtasan ng system engineering consultant,air trapiko control consultant,hoberkrap consultant,airport consultant,harbour at port establishment consultant,marine karga handling consultant,engineering consultant para sa pang-eksperimentong mga bangka,aerial cableway at ropeway transport consultant,road trapiko engineering consultant,car park engineering consultant,high speed ferry consultant,electronic ticketing consultant para sa mga lunsod o bayan transportasyon,urban transportasyon consultant,langis at petrolyo transportasyon consultant,riles transportasyon consultant,air transport consultant,sea transportasyon consultant,road transportasyon consultant.