| Changed Subcategory Details For: Countywide | Starcom21 | 2021-10-15 04:37:49 |
| Changed category from (Irving Materials Inc 99) to (Businesses 1) | Starcom21 | 2021-10-15 04:37:39 |
| Agency: Businesses changed from Irving Materials Inc. (Business Group) to Businesses (Business Group) | Starcom21 | 2021-10-15 04:37:10 |
| Frequencies Updated (Updated: 1, Deleted 0) for Irving Materials Inc | Mattnik | 2021-01-03 01:54:57 |
| Added Frequency 463.450 (IMI Rochester Plant) | Mattnik | 2021-01-03 01:52:13 |
| Added Subcategory: Irving Materials Inc | Mattnik | 2021-01-03 01:50:13 |
| Added category (Irving Materials Inc 99) | Mattnik | 2021-01-03 01:49:44 |
| Agency: Irving Materials Inc. changed from Irving Materials (Business Group) to Irving Materials Inc. (Business Group) | Mattnik | 2021-01-03 01:49:06 |
