Contractor Classification Services in the Kingdom of Saudi Arabia. Would you like to issue or upgrade your establishment's contractor classification grade? We provide specialized services in contractor classification and follow-up on classification requirements, helping your establishment meet the technical, financial, and credit requirements. Services include: assessing the establishment's status and identifying requirements - preparing and reviewing the classification file - assistance in upgrading the grade and specialties - follow-up on procedures and requirements - experience in the financial and technical requirements of contracting companies.