Non-iacs Classification Societies
- International Naval Surveys Bureau
- Hellenic Register of Shipping
- Czech Register of Shipping
- Egyptian Register of Shipping
- International Ship classification, Singapore
- Polish Register of Shipping
- Croatian Register of Shipping
- Cyprus Register of Shipping
- Gaurdian Bureau Shipping, Delaware, USA
- Phillippine Register of Shipping
P&I Clubs
- North of England
- Gard
- The Britannia Steam Ship Insurance Association
- The American Club
- UK P&I Club
- The Steam Ship Mutual Underwriting Association
- TT Club Mutual Insurance Limited
- Japan P&I club
- The West of England Ship Owners Mutual Insurance Association
- Skuld
- The London Steam Ship Mutual
- The Ship Owners Mutual
- Swedish Club
- The Standard Steam Ship Owners
