List and comparison of the top automation testing companies: Top automation Testing Service Providers from USA. We have provided a list of the top automation testing companies from the USA. We have also compared test automation companies in detail so you can quickly select the best provider for your services. List of 10 Most Promising Automation Testing Companies USA Indium SoftwareQA MentorScienceSoftCignitiMindful QATestingXpertsQaSourceThinksysInvensisBugEspy Top Automation Testing Service Provider Companies Enlisted below are the most popular…