The company SICK (https://www.sick.com/) provides a variety of laser scanners that can be used indoor or outdoor. The SICK Laser Measurement System (LMS) 5xx and 1xx models are commonly used in autonomous cars for obstacle detection. It provides a scanning range of 180 degrees and has high-resolution laser data. The list of SICK laser scanners available in the market is at https://www.sick.com/in/en. Another company, called Hokuyo (http://www.hokuyo-aut.jp/index.html), also builds laser scanners for autonomous vehicles. Here is the list of laser scanners provided by Hokuyo: http://www.hokuyo-aut.jp/02sensor/.
These are two laser scanners by SICK and Hokuyo:
Figure 10: SICK and Hokuyo laser scanners
Some of the other LIDARs used in the DARPA Challenge provided given here: http://www.conti-online.com/www/industrial_sensors_de_en/ https://www.ibeo-as.com/aboutibeo/lidar/