The TSL Group operates Caribbean wide with offices in Trinidad & Tobago and Barbados and affiliates in other Islands. Trinidad Systems Ltd is the parent company of the TSL Group of companies. The group consists of TSL (Barbados) Limited which mimics very closely the operations of the parent company and operates in Barbados and the Eastern Caribbean, MESO Limited which provides outsourced HR and payroll services, PetroCom Limited which uses technology to provide enhanced 3D imaging of seismic data to provide a more reliable result to enable energy exploration companies to better decide the viability and potential of suspected reservoirs and TSL Leasing Limited which provides financing for Group clients for major purchases within the Group.