| Baltimore-Washington Corridor Chamber of Commerce: Providing networking, information and growth resources to all sizes of businesses between the Washington and Baltimore metropolitan areas. Features events, membership information, news, committees and annual report. |
| DC Aupairs and Friends: Social and networking group for au pairs. Features news, classified ads and events. |
| DC Chamber of Commerce (DCCC): Nonprofit membership organization dedicated to improving the climate for business in the District. Features membership information, member directory, calendar, programs and visitor and resident information. |
| ESI: Collaborates with federal government agencies to improve education, health, child welfare and family services across the United States. Features services, procurement vehicles, news and employment opportunities. |
| Greater Washington Women's Network: Works to advance the business skills of women. Features events, membership information, officers and committees, and community activities. |
| Greater Washington Board of Trade: Provides resources and leadership to stimulate the growth the regional economy. Features membership information, events, advocacy information, volunteer opportunities and news. |
| Greater Washington Ibero American Chamber of Commerce: Organization for Hispanic-owned businesses in the Washington, DC, metro area. |
| Greater Washington Initiative: Promotes the metro area as an ideal location for locating or expanding a business. Features regional information, publications, press releases, newsletter, maps and partners. |
| National Biometric Security Project: Support regarding application of biometric technology; from development of standards, to focused testing, research, training, and education. |
| Restaurant Association of Metropolitan Washington: Represents and promotes the food service industry through education, government relations, professional activities and membership benefits. Features news, dining guide, calendar and membership information. |
| Service Corps of Retired Executives DC Chapter - SCORE: Counsels men and women who plan start-ups or who manage existing small businesses. Includes membership information, workshops and news. |
| Suburban Maryland Business and Professional Women: Promotes equity and self-sufficiency for America's working women and offers programs providing personal and professional growth, such as monthly meetings, networking opportunities, and scholarship programs. |
| Swedish-American Chamber of Commerce, Washington DC: Works to create business opportunities for members through events and networking. Features membership information, calendar and young professional's information. |
| The Economic Club of Washington: Offers a forum for prominent business and government leaders to express their views on the most important economic issues and promotes a greater sense of community among business leaders, government officials, and members of the diplomatic corps. Features programs and archives. |
| The Potomac Executive Network - PEN: Non-profit, nonpartisan network of lesbian, gay, bisexual, transgender and advocate professionals who work for business, nonprofits or government in the metro area. Features newsletter, membership information, calendar, volunteer opportunities and events. |
| Washington DC Technology Council: Trade association seeks to promote the development, growth and recognition of member technology companies in the metropolitan area. Features events, membership information, news and presentations. |
| Washington International Trade Association: Neutral forum where business leaders and policy-makers can openly discuss issues of international trade. Features membership information, events, trade information and employment opportunities. |
| Women's Business Center: Provides entrepreneurial training and networking resources. Features programs, history, board and staff profiles, workshops, membership information and newsletter. |
| Women's Information Network: Political and social network of young, pro-choice, Democratic women that provides a forum for advancement, mentoring and leadership opportunities. Features events, history, networks, membership information and FAQ. |
| Zonta Club of Washington D.C.: Executives in business and the professions working together to advance the status of women. Features events, projects, foundation information and newsletter. |
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