Looking for gap funding

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Hi. I am looking for gap funding options. I have searched the forums and found several suggestions,  as well as mentions that there are companies who do it, but no actual companies have been mentioned. We find ourselves in the fortunate/unfortunate situation of having all of our current projects starting at the same time. That wasn't the plan. So, now we are looking for down-payment gap funding to free up our cash over the 3 projects. I would prefer to use an actual company because I'm not familiar with setting up private lending from anyone outside of my family. 

Thank you in advance for any suggestions.