Welcome to OCA
The OCA represent contractor companies in the UK in a range of offshore and onshore activities. We are the authoritative voice of our membership, who help influence and tackle the challenges facing our members and their employees in the UK oil and gas industry today.
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- Aiken Group Ltd
- Altrad NSG Ltd
- Barrier Fire Protection Ltd
- Bluewater Services International Private Ltd
- Bureau Veritas
- Denholm MacNamee Ltd
- E M & I (UK) LTD
- Fabricom Offshore Services
- Global Project (Services) Ltd
- Global Resource Management Ltd
- IRISNDT Ltd Heat Treatment Services
- Mattioli Woods plc
- McDonald Scaffolding (Services) Ltd
- Mercer Ltd
- Metco Services Ltd
- Motherwell Bridge Ltd
- NRC Environmental Services (UK) Ltd
- Navitas International Solutions Ltd
- Oleochem Project Management Ltd
- SGS United Kingdom Ltd
- SKN Electrical Services Ltd
- Teekay Petrojarl UK Ltd
- Whittaker Engineering (Stonehaven) Ltd
Events