| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| BIS | — | ISSUED | MAINLAND PLUMBING HEATING | 08/22/2000 |
| BIS | OT | ISSUED | MAINLAND PLB & HTG INC | 08/16/2000 |
| BIS | PL | ISSUED | MAINLAND PLG HTG INC | 06/08/1999 |
| BIS | OT | ISSUED | EI LIN CONST INC | 06/04/1999 |
| BIS | EQ | ISSUED | EI LIN CONST INC | 06/04/1999 |