Helico Sonoma is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Recreational Trips & Tours
• Aircraft Flight Instruction School
• Travel Agencies & Bureaus

North American Industry Classification System (NAICS) Categories:

• Scenic And Sightseeing Transportation, Other > Tour & Guide Services
• Travel Agencies
• Flight Training

Standard Industry Classification (SIC) Categories:

• Travel Agencies
• Amusement And Recreation Services, Nec > Tour & Guide Services
• Vocational Schools, Nec > Schools, Vocational, Transportation > Schools Aircraft