Discovery Industrial Services Ltd. forms an Alliance with the National Oil & Gas Company of Lebanon Discovery is pleased to announce it has signed alliance document with the The National Oil & Gas Company of Lebanon (NOGCL). Its subsidiary, PetroServ International, has been appointed on exclusive basis to represent Discovery in the countries of Lebanon, Libya, Algeria, and Ghana. NOGCL is licensed by the competent authorities to engage in the Oil and Gas business, offshore and onshore.