The Department of Defense has release a press release on the teams that have registered and passed the first hurdle of the Wearable Power Prize - submitting a safe fuel and battery chemistry plan. Here's the list of 107 teams. A number of them will be familiar to people interested in space. Others seem to be specialists in batteries, power, embedded systems, or defense contracting. Some scattered examples:
Adaptive Materials, Inc. - Adaptive Materials, Inc (AMI) portable power products deliver on the promise of fuel cells ...
Arkansas Power Electronics International, Inc.
ATK Launch Systems
UltraCell - UltraCell Corporation (Livermore, CA) was founded in 2002 to commercialize an advanced Reformed Methanol Micro Fuel Cell (RMFC) technology invented at the U. S. Department of Energy's Lawrence Livermore National Laboratory (LLNL).