| 550 | 15 | AP-0000-339 | 11/26/1965 | Granted to Ernest Keller, Jr. |
| 1980 | 15 | MP-1979-011 | 4/12/1979 | Investigation Initiated re annual report |
| 1993 | 15 | MP-1979-011 | 5/2/1979 | Proceeding Terminated |
| 2965 | 15 | MP-1987-003 | 1/16/1987 | Suspended (insurance) |
| 2975 | 15 | MP-1987-003 | 2/5/1987 | Lift Suspension |
| 3730 | 15 | MP-1991-002 | 5/3/1991 | Reissued as Certificate of Authority |
| 3958 | 15 | AP-1992-023 | 6/18/1992 | |
| 3990 | 15 | AP-1992-023 | 8/10/1992 | Transferred to Keller Transportation, Inc. |
| 10133 | 15 | MP-2006-193 | 12/5/2006 | Suspended (insurance) |
| 10140 | 15 | MP-2006-193 | 12/15/2006 | Lift Suspension |
| 11907 | 15 | MP-2009-053 | 4/2/2009 | Suspended (insurance) |
| 11991 | 15 | MP-2009-053 | 5/14/2009 | Lift Suspension |
| 12526 | 15 | MP-2010-068 | 8/30/2010 | Insurance Endorsement revoked |
| 12530 | 15 | MP-2010-068 | 9/1/2010 | Proceeding Terminated |
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