Definitions and Abbreviations ACSA. Airports Company South Africa SOC Ltd ACSA Airport Environmental Management Representative Aerodrome Rescue and Fire Fighting Services Handling & Storage of Hazardous Chemical Substances Safety, Health and Environment An ACSA appointed service or maintenance provider assigned to carry out repairs, upgrades, installations and on-going maintenance of airport infrastructure. Service contractors (e.g. cleansing, landscaping, pest removal, hygiene, sanitation) or maintenance contractors (e.g. electricians, plumbers, mechanics) may have long-term contracts or provide services on an ad-hoc basis.