Every photograph on this site is third-party work used under an open licence, not Optimetrade’s own photography. All of it comes from Wikimedia Commons (opens in a new tab).
Each entry below links to the original file and to the licence it is used under, and states what we changed. Licences and authorship were last checked against the source on 16 August 2026.
Harbour cranes and quay lights reflected in still water after dark, at Sète.
Used for Automotive & Manufacturing division, and the first hero image
The original is already black and white, so it needs no grayscale treatment to sit in the palette.
Concrete grain silos and conveyor gantries at the Port of Albany.
Used for Food & Consumer Products division, and the second hero image
Share-alike. CC BY-SA 4.0 is a copyleft licence and the resized file is an adaptation, so that file is itself released under CC BY-SA 4.0. The obligation attaches to the image only — not to this page, its stylesheet, or the application code around it.
Patch cabling on the rear of a server rack in the Wikimedia Foundation’s Tampa data centre.
Used for Consulting Services division, and the third hero image
Share-alike. CC BY-SA 3.0 is a copyleft licence and the resized file is an adaptation, so that file is itself released under CC BY-SA 3.0. The obligation attaches to the image only — not to this page, its stylesheet, or the application code around it.
Bundles of crimped cathode copper ready for transport, photographed at a copper refinery.
Used for Copper product page, the Automotive & Manufacturing division, and the link preview image for the site
Share-alike. CC BY-SA 3.0 is a copyleft licence and the resized file is an adaptation, so that file is itself released under CC BY-SA 3.0. The obligation attaches to the image only — not to this page, its stylesheet, or the application code around it.
Strapped stacks of aluminium sow ingots on a flatbed, paint-striped for lot identification.
Used for Aluminium product page, and the Automotive & Manufacturing division
CC0 is a public-domain dedication and imposes no attribution requirement. The credit is given anyway.
If you hold rights in any image here and believe it is used incorrectly, write to info@optimetrade.com and we will correct the attribution or remove the image.