| DoctrineServiceProvider | Doctrine DBAL Provider. |
| FormServiceProvider | Symfony Form component Provider. |
| HttpCacheServiceProvider | Symfony HttpKernel component Provider for HTTP cache. |
| MonologServiceProvider | Monolog Provider. |
| SecurityServiceProvider | Symfony Security component Provider. |
| SerializerServiceProvider | Symfony Serializer component Provider. |
| ServiceControllerServiceProvider | |
| SessionServiceProvider | Symfony HttpFoundation component Provider for sessions. |
| SwiftmailerServiceProvider | Swiftmailer Provider. |
| TranslationServiceProvider | Symfony Translation component Provider. |
| TwigCoreExtension | Twig extension. |
| TwigServiceProvider | Twig integration for Silex. |
| UrlGeneratorServiceProvider | Symfony Routing component Provider for URL generation. |
| ValidatorServiceProvider | Symfony Validator component Provider. |