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HVAC/RFRG in Ferndale, WA
3 records with this specialty and Ferndale 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.
- DEJONG HEATING & RFRG INC ACTIVE
- DJ'S MECHANICAL LLC ACTIVE
- SMITH MECHANICAL INC ACTIVE