For service on the inflatable I use Avalon Raft service:
Avalon Rafts, Sales & Service, Inc. 218 N. Marine Ave. Wilmington, CA 90744 Tel: (310) 549-9665 Fax: (310) 834-8320
Avalon Raft Service's primary focus is repair and certification of commerical ship life rafts. They have done excellent work on both of my white novurania's -- and I'm very picky!