According to a recently published gigaOM article, a Denver based startup (AlchemyAPI) started to use Maxout  and Stochastic Pooling  in their object recognition pipeline. Using those deep learning techniques, they claim to deliver Google-level machine learning services.
 Goodfellow, I. J., Warde-Farley, D., Mirza, M., Courville, A., & Bengio, Y. , Proceedings of the 30th International Conference on Machine Learning (ICML’13), in: Proceedings of the 30th International Conference on Machine Learning (ICML’13), ACM.
 Zeiler, Matthew D., and Rob Fergus. “Stochastic pooling for regularization of deep convolutional neural networks.” ICLR (2013).