Abbreviations in IT (Information Technology): Some useful ones...

• SUP: Sybase Unwired Platform
• MBO: Mobile Business Object
• POS: Point Of Sales
• SKU: Stock Keeping Unit
• 3PL: Third Party Logistics
• SD: Sales and Distribution
• MM: Material Management
• WM: Warehouse Management
• BI: Business Intelligence
• BW: Business Information Warehouse
• BOBJ: Business Objects
• SQL: Structured Query Language
• DBA: Data Base Administrator
• NAV: Navision
• AD: Active Directory
• AI: Active Intelligence
• B2B: Business to Business
• B2C: Business to Consumer
• CSV: Comma Separated Values
• MX: Mail Exchange
• QA: Quality Assurance
• OS: Operation System
• RDM: Relational Data Model
• KPI: Key Performance Indicator
• EDI: Electronic Data Exchange
• RFID: Radio Frequency Identification
• SaaS: Software as a Service
• VB: Visual Basic
• IPMS: Integrated Platform Management System
• SAD: Single Administrative Document
• SRS: SQL Reporting Services
• ERD: Entity Relationship Diagram
• PBX: Private Branch Exchange
• SCCM: System Center Configuration Manager 
• BES: Blackberry Enterprise Server
• ITIL: Information Technology Infrastructure Library
• ITSM: Information Technology Service Management
• WAN: Wide Area Network
• SAN: Storage Area Network
• OEM: Original Equipment Manufacturer
• ETL: Extract, Transform, Load
• ECC: Error Correcting Code
• FI: Finance
• CO: Controlling
• BEx: Business Explorer
• CMS: Content Management System
• HTML: Hyper Text Markup Language
• OOP: Object Oriented Programming
• SDLC: Systems Development Life Cycle
• SDLC: Synchronous Data Link Control
• CSS: Cascading Style Sheets
• MVC: Model View Controller
• LAMP (stack): Linux, Apache, MySQL, and PHP / Perl / Python
• CMMI: Capability Maturity Model Integration
• COBIT: Control Objectives for Information and Related Technology
• MOQ: Minimum Order Quantity
• DR: Disaster Recovery
• SLA: Service Level Agreement
• ABAP: Advanced Business Application Programming
• TMS: Transportation Management Software
• PP: Production Planning
• CPG: Consumer Packaged Goods
• IS: Industry Solutions
• PCI: Peripheral Component Interconnect
• VB: Visual Basic
• ASP: Active Server Pages
• SBA: Senior Business Analyst
• SKU: Stock Keeping Units