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Diamondcard International has been a Merchant Services Provider since 1978. BBB Rating
Count on our A+ Rating with the Better Business Bureau. Click here to see our A+ Rating.
Diamondcard International Corp. is a registered ISO of Fifth Third Bank, Cincinnati, OH.
We offer VISA & MASTERCARD Payment Processing for your business starting at 1.69%. Compare to 2.29% for most credit card processing services.
Over 200 Billion Dollars in Credit Card Sales Processed  
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