MROs refer to the activities, equipment, supplies, and processes required to maintain, fix, or restore machinery, facilities, equipment, and operational assets to ensure they continue functioning safely and efficiently. MRO items and services support the ongoing operation of a business but are not part of the finished product sold to customers.

MRO is essential in manufacturing, warehousing, transportation, aviation, utilities, retail distribution centres, and any environment that depends on critical equipment or infrastructure.