| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| BIS | OT | ISSUED | NACCO HVAC INC | 04/25/2012 |
| BIS | OT | ISSUED | NACCO REFR & AIRCONDI IN | 04/09/2012 |
| BIS | OT | ISSUED | NACCO REFR & AIRCONDI IN | 08/03/2011 |
| BIS | OT | ISSUED | NACCO REFR & AIRCONDI IN | 08/31/2010 |
| BIS | OT | ISSUED | NACCO REFR & AIRCONDI IN | 03/15/2010 |