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Steel Erectors in Seattle, WA

7 records with this specialty and Seattle as their locality of record, from L&I's records, as of November 3, 2026.

Source: Washington State Department of Labor & Industries (L&I) — records as of November 3, 2026. Records change; the board’s own L&I Verify a Contractor is the current source.

• ALASKAN COPPER WORKS SUSPENDED
  License ALASKCW754KO · expires May 20, 2027
• CASCADE STEEL INC ACTIVE
  License CASCASI077NS · expires August 21, 2028
• HARRINGTON TOWER SERVICES INC ACTIVE
  License HARRITS957KQ · expires May 19, 2027
• MMT CONSTRUCTION LLC ACTIVE
  License MMTCOCL803LB · expires June 15, 2028
• NORTHSTAR BRDCST CONTRS INC ACTIVE
  License NORTHBC969OM · expires September 14, 2028
• PROFESSIONAL ARCH INST NETWORK ACTIVE
  License PROFEAI782LC · expires July 25, 2028
• WEST COAST WIRE ROPE/RIGGN INC ACTIVE
  License WESTCCW856D7 · expires March 27, 2027