| June, 2007 | Solution for Illinois deployed |
|---|---|
| April, 2007 | SIGMA CIS Agent access portal released |
| January, 2007 | SIGMA CIS customer access portal redesigned |
| October, 2006 | iSIGMA succesfully implemented Sigma CIS for one of Texas TDSPs |
| July, 2006 | Sigma 2.7 Released |
| December, 2005 | Sigma Texas 2.0 upgrade completed |
| June, 2005 | Sigma CIS now supports Prepay Electric Market. |
| February, 2005 | Sigma Version 2.6.4 fully integrated with EC-Power |
| November, 2004 | Sigma Version 2.6.4 released with added functionality for REPs |
| August, 2004 | iSIGMA presenting at international IT conference at Veracruz, Mexico on August 19th. |
| July, 2004 | SIGMA CIS ERCOT 2.0 Compliance Components Released. |
| May, 2004 | iSIGMA is pleased to be in Miami for 2004 CIS Conference between May 4 - May 7 2004 at Booth #137. |
| March, 2004 | SIGMA CIS for Deregulated Markets schedule for ERCOT 2.0 Compliance released. |
| February, 2004 | SIGMA CIS 2.6.2 for Texas released and deployed in the REP Market Jan 15, 2004. |
| January, 2004 | SIGMA CIS Version 2.6.1 released on Jan 15, 2004 taking advantage of significant improvements to Microsoft's SQL |
| November, 2003 | SIGMA CIS for Deregulated Markets is ERCOT 1.6 compliant in Texas REP |
| April, 2003 | SIGMA CIS for Electric Co-operatives deployed meeting the unique needs of the Co-operatives with a robust Multi-Speak Compliant Web Based CIS & Billing Solution. |
| January, 2003 | MunicipalBilling.com fully hosted CIS solution for small and mid-sized utilities announced. Fully browser based solution deployed with ZERO License and Equipment Costs. |
| May, 2002 | SIGMA CIS for Deregulated Markets deployed in Texas. |
| April, 2001 | iSIGMA is branded as the market identity for SIGMA CIS & Billing. |
| January, 2001 | SIGMA CIS & Billing released as one of the first designed for the Web thin client enterprise Convergent Billing Solutions. |
| October, 1999 | SIGMA is formed to provide a true web deployed enterprise convergent billing solution. |