There are several major providers of enterprise Computer Vision services, including:

1. Amazon Web Services (AWS): AWS offers a wide range of Computer Vision services, including Amazon Rekognition for image and video analysis, Amazon SageMaker for building and deploying machine learning models, and Amazon Transcribe for speech-to-text transcription.
2. Google Cloud Platform (GCP): GCP offers a variety of Computer Vision services, including Cloud Vision API for image and video analysis, Cloud AutoML for building and deploying machine learning models, and Cloud Video Intelligence for video analysis.
3. Microsoft Azure: Azure offers Computer Vision services such as Azure Cognitive Services for image and video analysis, Azure Machine Learning for building and deploying models, and Azure Databricks for big data processing.
4. IBM Watson: IBM Watson offers a variety of Computer Vision services, including Watson Visual Recognition for image analysis, Watson Studio for building and deploying models, and Watson Natural Language Understanding for natural language processing.
5. OpenCV: OpenCV is an open-source library for computer vision, it has a wide range of features and functionalities, such as object detection, image recognition, and motion analysis.
6. TensorFlow: TensorFlow is an open-source platform for building and deploying machine learning models. It has a wide range of tools for computer vision and image recognition tasks, such as object detection, image segmentation and image captioning, it can be integrated with other platforms.