This dataset includes 135 thousands contractor licenses registered with Washington State Department of Labor & Industries.
| Contractor Name | Principal | Office Address | Effective Date |
|---|---|---|---|
| Concert Technologies Group Inc | Crone, Andrew Mills | 43766 Trade Center Pi. #140, Dulles, VA 20166-2187 | 2020-05-11 |
| Concert Technologies Inc | Mazaris, Dennis Wayne | 43766 Trade Center Pi. #140, Dulles, VA 20166-2187 | 2020-03-18 |