Company Category: OCTG, Machining, Fabrication (Pressure Vessels & Pressure Piping) Cranes Maintenance, Certification & Repairs. Thompson & Grace Investments Limited was incorporated in 1998 as a technical service provider both in manpower, and equipment. We have over the years grown to expand on our products line and services: These includes:  complete machining solutions, fabrication of pressure vessels and pressure piping, technical training, OCTG, design software solutions, cranes maintenance, certification and repairs. We have installed unique capacity and capabilities in mechanical components manufacturing. Our strength lies in the experience of the personnel and the advance technology behind our machinese.