Computer Interface: (NoLand) http://www.nolandengineering.com/

LED running lights:

Life Rafts: http://www.survivalproductsinc.com/sixmanyacht.htm

Sails, Used: http://www.minneysyachtsurplus.com/index.html

Spars: http://www.ballengerspars.com/

Tactical/Navigation program:  (Expedition) http://effil.tripod.com/

Tanks, custom: http://www.tek-tanks.com/custom_built_tanks.htm

Weather:
(Ocens, weathernet) http://www.ocens.com/index.htm
(Buoy Weather)  http://buoyweather.com/index.jsp
(SailFlow)   http://www.sailflow.com/windandwhere.iws?regionID=129
(SailDocs)  http://www.saildocs.com/
(Surface Vectors, SoCal):  http://www.nawcwpns.navy.mil/~weather/mugu/mesodata/analysis.html
Eastern Pacific weather:  http://virga.sfsu.edu/gif/sathts_pac_snd_00.gif

Winches: http://www.andersenwinches.com/Winches/Standard%20Self-Tailing/Intro.aspx

Other Design sites:
http://www.cal46.org/
http://www.L-36.com/
http://www.cal20.com/
http://www.cal25.com/
http://www.the-boatyard.com/ - The BoatYard in Marina Del Rey, for haul-out services
http://www.sailingwithsarah.com/   (Concordia Yawls)
http://www.catalina42.org/
http://www.catalina38.org/
http://www.kettenburgboats.com/
http://www.thesantana.com/
Cal 40 Facebook Fan Page