NECA (National Electrical Contractors Association) follow us on:   Cascade Chapter, serving the WA counties of Snohomish, Skagit, San Juan, Island, Grant, Douglas, Chelan & Okanogan  
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Seven Sisters Inc
Seven Sisters Inc
613 Sunset Park Dr
Sedro Woolley, WA, 98284-1578
Phone: (360) 856-0842
Fax: (360) 856-0236
Specialty: BCFUWZ1234
MBR Number: 6600
Contact Name: Mrs. Nancy K Williams
Contact Email:


  • (B) Industrial
  • (C) Commercial / Institutional
  • (F) Marine
  • (U) Underground Distribution
  • (W) Distributed Generation / Cogen
  • (Z) Street Lighting / Traffic Ctrl
  • (1) Communications / Data (Internal)
  • (2) Fire / Life Safety / Nurse Call
  • (3) Building Automation
  • (4) Industrial Controls
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