Searching customers sending offers

I have a business that provides a widget that allows the automatic selling advertising on the websites. My customers are all websites where you can place ad. The advertiser buys an ad on the website of his choice on the basis of flat fee so he buy advertising on the number of days in which the ad is shown and not the number of clicks or impressions. Looking for people or companies that were acquiring websites will to my ad network.\r\nAdress of website [login to view URL]\r\n\r\nI can pay for each customer that will install my widget on his website. \r\n\r\nWebsites need have more that 1000 UU /day