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D3 Systems is a renowned international research firm based in McLean, VA, specializing in providing tailored solutions to meet clients' specific needs. With a collaborative team of experienced analysts and statisticians, they offer high-quality data collection, analysis, and visualization services to empower evidence-based decision-making for their clients. With extensive research experience in over 125 countries across the Americas, Europe, the Middle East, Africa, and Asia, D3 Systems has established itself as a trusted partner in the field. Their expertise in research design, data collection, and interpretation enables them to deliver valuable insights that directly inform programs and policies.Generated from the website

Founded in 1963, Westat is an employee-owned corporation that provides a range of research services for government agencies, businesses and foundations. It is one of the leading statistical survey research organizations in the United States. The corporation maintains a staff of more than 2,000 employees. Westat operates offices in Maryland, Texas, Georgia, North Carolina and Pennsylvania. It conducts research and program evaluation studies in the areas of education, employment, training, housing, transportation, clinical trials, health and medical, and science and technology. The corporation also offers information technology, survey data collection and processing, and study design and analysis services. Westat has research methodology and Web design and evaluation capabilities.

Founded in 1966 and maintaining operations in Bethesda, Md., Macro International specializes in providing research and evaluation, management consultation, and marketing and communication services. The company serves corporate clients, and government and nonprofit entities. It also provides information technology solutions that include provision of Web content management systems and Web design services. It has a staff of professional personnel with an expertise in providing research-based solutions for various types of research and evaluation projects to support federal, state and international programs relating to health, housing, education, science, energy, nutrition and other related areas. Its market research capabilities provide business clients with accurate and strategic information on products, change in market trends and the customer attitudes. Additionally, Macro International provides a wide range of services to address management issues that include assistance in strategic planning and implementation processes for expanding and strengthening work force and client bases. Macro International is an infoGROUP company.