Who is taking the "Challenge"? (part 1)

For the next several days we will be profiling the companies who will be joining us for CC2011.  Here are four companies who are taking the CHALLENGE:

Enterprise Rent-A-Car (Wayne, NJ) – 

Participant since 2005 who will be joining us for the challenge on June 15^th (est. 15 volunteers) website: http://www.enterprise.com/

F3 Engineering (Paterson, NJ) – 

First time participant who will be joining for the challenge on June 18^th (est. 10 volunteers) http://www.f3engineering.com/

Langan (Elmwood Park, NJ) – 

Participant since 2003 who will be joining us for the challenge on June 11^th & 18^th (est. 35 volunteers) http://www.langan.com/

Railroad Construction (Paterson, NJ) - 

Participant since 2000 who will be joining us for the challenge on June 25th (est. 25 volunteers) http://www.railroadconstruction.com/

Please note companies are listed in no particular order.