By Light Professional IT Services LLC (By Light) is an ISO 9001:2008, 20000-1, and 27001 registered business that provides a full range of hardware and software engineering services to defense, civilian, and commercial customers worldwide. Driven by a management team that leverages real-world expertise from the defense, intelligence, federal healthcare, and commercial sectors, we provide reliable, efficient, and cost-effective IT solutions to each customer, every time

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