Pedrera is a Philadelphia web development agency. We produce websites, content management systems, email newsletters, email marketing systems and web-based software for leading brands around the world. Pedrera has developed web and mobile applications for such notable brands as Bristol-Myers Squibb, BT Global Services, Johnson & Johnson, the National Constitution Center, and the Pennsylvania Horticultural Society Services - Strategy & Consulting - Web Development - Web Application Development - Mobile Application Development - Web Security & Maintenance - Website Performance Optimization Solutions - ExpressionEngine - WordPress - Magento - SharePoint - Mobile Applications - Web Applications