Siem Offshore Inc is a Norway-based company. Its primary activity is the ownership and operation of Offshore Support Vessels (OSV) for the offshore energy service industry and the offshore renewables market. The Company operates a fleet of 28 vessels, including Siem Symphony, Siem Thiima, JOIDES Resolution and Siem Pride, among others. Siem Offshoreâs operations are divided into six reportable segments: Platform Supply Vessels (PSV), Offshore Subsea Construction Vessel (OSCV) and Well Intervention Vessels (WIV), Anchor Handling Tug Supply Vessels (AHTS), Canadian fleet, Scientific Core-Drilling and Brazilian Fleet. Siem Offshore Inc has several subsidiaries, such as Secunda Holdings Limited, Siem Offshore Rederi AS, Siem Offshore US Holding AS as well as Siem Offshore Maritime Personnel AS.
SEA1 OFFSHORE INC. 
