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HVAC/RFRG in Walla Walla, WA

7 records with this specialty and Walla Walla 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.

• AMERICAN AIR HEATING/CLNG LLC ACTIVE
  License AMERIAH824KC · expires May 3, 2028
• GRASSI SERVICES LLC ACTIVE
  License GRASSSL756QD · expires November 26, 2027
• Mill Creek Mechanical ACTIVE
  License MILLCCM819ML · expires July 28, 2027
• POWERS REFRIGERATION LLC ACTIVE
  License POWERRL7662U · expires May 31, 2028
• SURE TEMP MECHANICAL LLC ACTIVE
  License SURETTM898JK · expires April 12, 2027
• TOTAL COMF SL HTG CLG/PLB LLC ACTIVE
  License TOTALCS743CK · expires April 10, 2028
• Walla Walla Refrigeration LLC ACTIVE
  License WALLAWR834RJ · expires August 21, 2028