Complex sentence: M.W. Kellogg Limited (MWKL) was a British full service contractor primarily serving the hydrocarbon market with the capability to execute worldscale international projects from conceptual feasibility studies through fixed price turnkey mega-projects.
Split into simpler sentences: M.W. Kellogg Limited (MWKL) was a British full service contractor primarily serving the hydrocarbon market. It had the capability to execute large international projects from conceptual feasibility studies through fixed price turnkey mega-projects.