11 verified dealers — re-verified October 2026

Used Machinery Dealers in Washington

Verified industrial machinery dealers located in Washington. Ranked by verified active-inventory count and MDNA membership.

Ranked by verified active-inventory count, then MDNA membership, then years in business — the objective criteria published on our methodology page. No editorial opinion, no pay-to-rank.

The index currently records 11 dealers here across 9 cities. Among the 4 that publish a founding date, the median time in business is 68 years. Every entry re-verified October 2026.

  1. ASC Machine Tools, Inc Spokane, Washington
  2. CK Worldwide Auburn, Washington
  3. Mid-Mountain Materials Seattle, Washington
  4. Delta Motion Battle Ground, Washington
  5. Flow International Kent, Washington
  6. Intercon USA Inc Blaine, Washington
  7. J. Stout Auctions Washougal, Washington
  8. OMAX Corp Kent, Washington
  9. OMAX Waterjets Kent, Washington
  10. Sanson Machinery Group Mukilteo, Washington · MDNA
  11. Northwest Shippers Inc. Puyallup, Washington · MDNA

Frequently asked questions

How many Used Machinery Dealers in Washington does the index list?

11 as of October 2026, each compiled from public sources and re-verified monthly.

How many of these dealers have MDNA membership?

2 of the 11 dealers on this page have MDNA membership on record, per the public sources we re-check monthly.

How is this list ordered?

By verified active-inventory count, then MDNA membership, then years in business — objective criteria published in full on the Machinery Dealer Index methodology page. Never pay-to-rank, never editorial opinion.

When were these facts last verified?

Current verification stamp: October 2026. Every fact is re-checked monthly against its public source; lapsed facts are removed at the next refresh.