| Date Filed | Summary | Pages |
| 10/13/2009 | Memo archiving case with an effective date of 10/13/09. | 1 |
| 06/12/2006 | Petition requesting an audit of Columbia Gas' costs and expenses filed by various consumers. | 2 |
| 05/10/2006 | Correspondence letter objecting to the rate increase of Columbia Gas of Ohio filed by K. Crossly. | 1 |
| 04/27/2006 | Comments regarding billing practices and services of Columbia Gas filed by G. Cook, consumer. | 1 |
| 04/26/2006 | Correspondence letter filed by Oliver & Mary La Fleur.. | 1 |
| 04/05/2006 | Correspondence letters filed by various consumers. | 3 |
| 03/21/2006 | Correspondence letter from consumer objecting to the rate increase of Columbia Gas of Ohio. | 1 |
| 03/17/2006 | Correspondence letters filed by various consumers. | 9 |
| 03/10/2006 | Correspondence filed on behalf of various consumers. | 13 |
| 03/02/2006 | Letter opposing any Columbia Gas rate change filed by J. Getz, consumer. | 1 |
| 03/02/2006 | Letter opposing any Columbia Gas rate change filed by B. Getz, consumer. | 1 |
| 02/24/2006 | Letters from various consumers opposing the rate increase of Columbia Gas of Ohio. | 6 |
| 02/24/2006 | Correspondence letter filed by consumers opposing the rate increase for Columbia Gas of Ohio. | 2 |
| 02/24/2006 | Letter filed by consumer, J. Beck, opposing the rate increase for gas services of Columbia Gas of Ohio. | 1 |
| 02/23/2006 | Correspondence concerning the rise of gas costs filed on behalf of K. Reed, consumer. | 1 |