This dataset includes 135 thousands contractor licenses registered with Washington State Department of Labor & Industries.
| Contractor Name | Principal | Office Address | Effective Date |
|---|---|---|---|
| Environmental Dynamcs Intl Inc | Tharp, Charles Edwin | 5601 Paris Rd, Columbia, MO 65202 | 2019-03-26 |
| Handrail Design Inc | Downs, Kevin | 3905 Continental Dr, Columbia, PA 17512 | 2018-10-02 |
| Avantech Inc | Braun, James Lee | 2050 American Italian Way, Columbia, SC 29209 | 2018-09-14 |
| Tower Consultants Inc | Lecordier, Jean-alain Y | 15 Surrey Court, Columbia, SC 29212 | 2018-07-11 |
| J & J Service Solutions LLC | Nicklaus, Jeffrey J | 1820 Franklin St, Columbia, PA 17512 | 2018-04-27 |
| Structural Topcor LLC | 10150 Old Columbia Rd, Columbia, MD 21046 | 2016-04-11 | |
| Pullman Sst Inc | Charles, Robert Alan | 10150 Old Columbia Road, Columbia, MD 21046-1274 | 2014-03-26 |
| Areva Federal Services LLC | Franch, Thomas Gerard | 7135 Minstrel Way Ste 102, Columbia, MD 21045 | 2013-09-26 |
| Electric Guard Dog LLC | Leaphart, Nathan Glenn | 550 Assembly Street, Fifth Floor, Columbia, SC 29201 | 2013-04-10 |
| Sentry Security Systems LLC | Leaphart, Nathan | Po Box 21832, Columbia, SC 29221 | 2012-10-17 |
| Tidewater Inc of Washington | Dissanayake, Harsha Prasad | 7161 Columbia Gateway Dr, Ste C, Columbia, MD 21046 | 2009-12-16 |
| Bye Diversified Inc | Bye, Tarri Lynn | 929 Mt Olivet Rd, Columbia, TN 38401 | 2009-05-13 |
| Structural Technologies LLC | Crigler, John Richard | 10150 Old Columbia Rd, Columbia, MD 21046 | 2015-10-19 |
| Electric Guard Dog LLC | Corporation Service Company | 550 Assembly Street, Fifth Floor, Columbia, SC 29201 | 2013-04-04 |
| Sentry Security Systems LLC | Leaphart IIi, Nathan Glenn | Po Box 21832, Columbia, SC 29221 | 2010-09-14 |
| Sps Infrastructure Inc | Wallace, Jimmy Peter | 10150 Old Columbia Rd, Columbia, MD 21046 | 2009-05-04 |
| Weller Construction Inc | Weller, James J | Po Box 1134, Columbia, CA 95310 | 2009-02-05 |
| Vstructural LLC | Crigler, John Richard | 10150 Old Columbia Rd, Columbia, MD 21046 | 2007-09-24 |
| Structural Preserv Systems LLC | Emmons, Peter Harrison | 10150 Old Columbia Rd, Columbia, MD 21046 | 2007-01-22 |
| Pullman Power LLC | Sgi Holdings LLC | 10150 Old Columbia Road, Columbia, MD 21046-1274 | 2001-03-08 |