at the North American International Auto Show in Detroit, project director Chris Urmson named Continental, Roush, Bosch, ZFLS, RCO, FRIMO, Prefix, and LG as companies that had helped to build the pod-like vehicle.

via Google's Self-Driving Car Pals Revealed – IEEE Spectrum.

Specs: plug-in electric

Roush Enterprises: from Detroit, design integration and final assembly of 100 units
LG: battery supplier, possibly similar to the systems in Tesla’s vehicles (modular lithium ion system)
Bosch: long-range radar, electric powertrain supplier; about to acquire ZFLS (German steering systems company)
ZFLS: parallel, redundant motors
RCO Engineering: seats designer
FRIMO: plastic and composite components for interior/exterior
Prefix: general automotive design and manufacturing engineering firm
Continental: “intelligent transportation systems” business unit based in SV, developing competing autonomous vehicle technologies; supplying tires and some electronics/components
Nvidia: microprocessors for object detection and recognition

LIDAR units (currently $70k) are being designed in-house.