Design, Development and Manufacturing of Seals. Offshore Seals is No. 1 specialist for Seals for Oil & Gas Extraction, Marine & Hydraulics. Our products include Customized Seals, O-Rings,V-packings, Packer Elements, Hydraulic/Pneumatic Seals, Oil Seals, Wiper Seals, Bonded Seals, etc. 24 hour service for urgent supply. Offshore Seals is ISO9001:2000 certified company.