MRO (Maintenance-Repair-Operating) is an industry term for those articles that
do not represent "core business"; purchasing such as minerals, resins, steel,
lumber, machinery, etc...
Examples of MRO items are:
Office Supplies, Shipping Supplies, Storage, Office Equipment,
Office Furniture, Business Cards & other Printing needs, Uniform
Rental Contracts and Services.

Group Contract Suppliers:
--More purchasing through Group-Buying leverage means more
bottom-line savings.
--Corporate Level Supplier Negotiations