you should be able to right click on one of your own contracts on the galactic board of trade and it should ask you if you want to cancel the contract, if you cancel the contract you will receive 100% of the materials and 25% of the civics back
Ape Apps, LLC is an independent software development company founded in 2010 by Brandon Stecklein. Over the years, Ape Apps has published over 400 apps and games across various platforms. You can get in touch with Brandon on Twitter or by leaving a post on his wall @bastecklein