Sirius GT Accounting for Windows is a full featured accounting package designed for small to medium sized US based businesses. All accounting modules are available Accounts Payable, Accounts Receivable, General Ledger, Bank Rec, Payroll, Job Cost, Order Entry, Estimating, Equipment Control, Inventory Control, Service and Rental Manager, Service Dispatch and Scheduling, Item (AIA) Billing, Time Billing, Purchase Orders, ODBC connectivity and Sand and Gravel Billing.