| Owner | Filings | Most Recent |
|---|---|---|
| Trustees of Columbia University | 1 | 03/21/2026 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| BIS | OT | ISSUED | AM&G WATERPROOFING LLC | 12/03/2009 |
| BIS | OT | ISSUED | POWER COOLING INC. | 10/21/1993 |
| BIS | PL | ISSUED | SMART PLBG & HTG CORP | 10/21/1993 |