Romson Oil Field Services Limited, founded in 1989 and a member of TGI Group, lists its Ilupeju head office and multiple operational addresses in Lagos and Port Harcourt together with several Nigerian phone numbers and contact emails; the company provides oilfield chemicals, lifting/rigging hardware, inspection, maintenance and repair (IMR) and subsea solutions, supporting onshore, offshore and deep-water projects for IOCs and indigenous operators across Nigeria.