11. Lifestockphotos.com
Stock photos of people and lifestyles including medical, family, mature, businesss, computes, landscape, nature, sports, recreation, adults, communication and nature royalty free stock photography.
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12. Freerangestock.com
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13. Cmsp.com
Medical Stock Photo agency with over a quarter million royalty free and rights managed stock medical images, biomedical and scientific photographs and illustrations. Including lifestyle, patient lifestyle photography, healthcare, biotech images as well
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14. Photosphere.com
Purchase stock photos and stock images in our stock photography library here at Photosphere.com
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15. Askphotos.com
Royalty-free stock photos available for download.
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16. Crestock.com
We've got your image sorted! Stock Photo & Image Bank Crestock has the stock photography industry's highest standard in royalty free stock photos & images.
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17. Stock-photos.com
Royalty-Free Stock Photography Downloads by Subscription at Stock-Photos.com.
http://www.stock-photos.com

18. Stockphotos.com
British Natural History Museum Documentary / Photojournalism Heritage Image Partnerships (HIP) Mary Evans Picture Library National Trust Photo Library Science & Society Picture Library Prospective Photographers High Resolution Image Orders A Brief History
http://www.stockphotos.com

20. Painetworks.com
A Stock Photo Agency - Painet Stock Photography has a database of 1.3 million images and offers free photosearch, photo research and photo search of stock photos
http://www.painetworks.com