Building Your Technology Advantage. Computer Software - Adelaide, SA . Brand: Greentree, Microsoft, SAP. Service: Helpdesk, Implementation, Programming, Technical Support. Use: CRM, Disaster Recovery, Help Desk, Invoicing, Security. Company: Greentree, SAP. Industry: Accounting, Business, Finance. Technology Software: Networking. Computer Language: Visual Basic. System: SQL Server, Windows. Payment Method: Cheques, EFT, EFTPOS, Mastercard, Money Order, Visa