| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| LEONID SIMKIN | Electrical | 2 | 03/21/2026 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| BIS | PL | ISSUED | HEADQUARTERS MECHANICAL INC | 05/30/2007 |
| BIS | MH | ISSUED | SHADAV CONSTRUCTION | 05/08/2006 |
| BIS | OT | ISSUED | SHADOV CONSTRUCTION | 01/25/2006 |