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Simpson Grierson is listed in The Aviation Manifest as a professional services entry in New Zealand.
The listing carries a website, recorded from the public record rather than supplied by the company.
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Read from the company public directory entry; only facts were kept, never their editorial copy. Checked on 2026-10-21.
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Claim this listingData source: the Flying Engineer public directory crawl, checked 2026-10-21. Cite this entry as: The Aviation Manifest, “Simpson Grierson”, checked 2026-10-21, https://theaviationmanifest.com/listings/simpson-grierson. Claim to edit, or write to info@offthegroundmarketing.com to correct or remove.