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E3/Sentinel, a NewSpring Holdings company, is a mission-focused services and solutions company headquartered in McLean, VA. Since E3 Federal Solutions and The Sentinel Company combined forces in 2018, E3/Sentinel works as a combined entity to draw upon their long histories of consistent growth and high performance in the federal services market. The company`s services and solutions are designed, tailored, and executed based on the experience both organizations bring from helping their Homeland Security, Defense, Intelligence, and Federal Civilian customers solve complex problems.
The Brattle Group provides consulting and expert testimony in economics, finance, and regulation to corporations, law firms, and governments around the world. We aim for the highest level of client service and quality in our industry. We are distinguished by our credibility and the clarity of our insights, which arise from the stature of our experts, affiliations with leading international academics and industry specialists, and thoughtful, timely, and transparent work. Brattle has been ranked in the Vault Consulting 50 every year since the ranking`s inception nearly 10 years ago. We have offices in Boston, MA; New York, NY; San Francisco, CA; Washington, DC; Toronto, ON; Brussels, BE; London, UK; Madrid, ES; Rome, IT; and Sydney, NSW.
Connecting communities with their watersheds through integrated strategies for a healthy resilient future.
Photizo Group is a Midway, KY-based company in the Business Services sector.
Guyer Management Assistance is a Littleton, CO-based company in the Business Services sector.