Database list of web agencies in e-commerce field - repost

I need records of worldwide web agencies in e-commerce field. How to identify the target: -The webagency work in e-commerce development with CMS (eg. prestashop, magento, opencart); -The webagency offer e-commerce development services; I need company name, email and contact details. Make your bid for your number of records and send me a sample, please note I need fresh records.