Reducing operating costs and minimising capital expenditure are crucial in today’s shipping industry, whilst regulation and compliance are increasingly adding to the operators costs. 3Si offer a broad portfolio of LSA and PPE and expert advice to meet all vessels requirements.


Tankers/container ships/tugs/merchant ships/workboats

Our complete range of liferafts and lifejackets are SOLAS, MED Ship’s Wheel and USCG compliant to meet the needs of all types of commercial vessel and is supported by our independent global service network. Our liferaft hire division and fully managed servicing plans are also designed to find a solution to suit individual requirements.


Cruise liners/Ferries

Ensuring passenger and crew safety at all times is a must for operators in the growing cruise and ferry sector. 3Si have been supplying the passenger ship industry for many years whether SOLAS compliant liferafts, EPIRBs, pyrotechnic and man overboard recovery systems.

Light aviation

The light aviation market demands lightweight compact and certified solutions for onboard and personal safety where space is at a premium. 3Si offer the complete package from liferafts, single seater dinghy’s, lifejeackets, PLBs, EPIRBs and electronic flares.


Commercial Divers

We are one of the world’s largest manufacturers of diving drysuits; serving leisure, commercial and professional divers all over the globe. Our range of Neoprene and membrane dive suits are constructed using the latest fabric technology to achieve maximum underwater performance.

Commercial fishing

Fish farms/Trawlers/Fishing boats

Working at sea can be very demanding in hazardous conditions, day in day out, 3Si's SOLAS and USCG approved equipment is used around the world to protect lives. Our liferaft hire division also provides individually tailored solutions to meet the needs of a small or large fleet.

Emergency Services

Fire, Police, Ambulance, Search and Rescue Services

For those who put their lives at risk to save lives in an emergency, 3Si have been involved in developing, supplying and servicing critical life saving equipment such as liferaft, lifejackets and survival suits specifically designed for the needs of emergency services. 


Naval Architects and Boat yards

Designing and building ships with safety in mind is part of the shipbuilding industry's concerns and 3Si provides consultancy service to Naval Architects, Designers and Project Managers. We offer bespoke packages for ship installations - assuring compliance and reduction in operating costs.

Waterside safety

Inland waterways and Marinas

At 3Si we endeavour to ensure workforce safety whilst working in, on and around water. We provide a complete waterside safety package from drysuits, lifejackets and PLBs, to dockside lifebuoy housings. Our teams of safety specialists are best placed to give advice on the latest regulations to reduce risk and ensure company compliance.