This dataset includes 135 thousands contractor licenses registered with Washington State Department of Labor & Industries.
| Contractor Name | Principal | Office Address | Effective Date |
|---|---|---|---|
| Wellington Energy, Inc. | Ct Corporation | 177 Thorn Hill Rd, Warrendale, PA 15086 | 2018-08-06 |
| Mitsubishi Elec Pwr Prdcts Inc | Heery, Brian W | 530 Keystone Dr, Warrendale, PA 15086 | 2014-07-21 |
| Vector Security Inc | Petrow, Pamela J | 2000 Ericsson Dr, #250, Warrendale, PA 15086 | 2005-10-19 |
| Marco Contractors Inc | Smith, Martin R | Po Box 805, 100 Commonwealth Dr, Warrendale, PA 15095-0805 | 1999-06-28 |