Companies

American Infrastructure is a heavy civil construction company and materials supplier strategically positioned in the Mid-Atlantic region adjoining the metropolitan areas of Philadelphia, Baltimore and Washington, D.C. Our roots go back to 1939, when our founders established a local hauling company i...

The American Institutes for Research (AIR) is one of the largest behavioral and social science research organizations in the world. Our overriding goal is to use the best science available to bring the most effective ideas and approaches to enhancing everyday life. For us, making the world a better ...

The American Institutes for Research (AIR) is one of the largest behavioral and social science research organizations in the world. Our overriding goal is to use the best science available to bring the most effective ideas and approaches to enhancing everyday life. For us, making the world a better ...

The American International Health Alliance (AIHA) advances global health through volunteer-driven, "twinning" partnerships and other programs that mobilize communities to better address healthcare priorities, while improving productivity and quality of care. AIHA's twinning partnerships are defi...

The mission of the American Kidney Fund is to fight kidney disease through direct financial support to patients in need; health education; and prevention efforts. The American Kidney Fund was founded in 1971 to save the life of one person who needed help paying for dialysis. Thirty-seven years la...

Laser Hair Removal, Skin Rejuvenation and cellulite reduction therapies are constantly being improved by new technologies and research. Keeping up with the newest and most effective technologies is beyond the resources of most small practitioners. That's not the case at American Laser Centers. A...

The American Legacy Foundation® is dedicated to building a world where young people reject tobacco and anyone can quit. Located in Washington, D.C., the foundation develops programs that address the health effects of tobacco use, especially among vulnerable populations disproportionately affected by...

The American Library Association (ALA) was founded in 1876 in Philadelphia and subsequently chartered in the Commonwealth of Massachusetts. Its mission is “to provide leadership for the development, promotion, and improvement of library and information services and the profession of librarianship in...

The American Medical Student Association (AMSA), with a half-century history of medical student activism, is the oldest and largest independent association of physicians-in-training in the United States. Today, AMSA is a student-governed, national organization committed to representing the conce...

The American Nurses Association (ANA) is the only full-service professional organization representing the nation's 2.9 million registered nurses (RNs) through its 54 constituent member associations. The ANA advances the nursing profession by fostering high standards of nursing practice, promoting th...

The American Pharmacists Association (APhA), the national professional society of pharmacists, founded in 1852 as the American Pharmaceutical Association, is the first-established and largest professional association of pharmacists in the United States. The more than 50,000 members of APhA include p...

The American Physical Therapy Association APTA) is a national professional organization representing more than 70,000 members. Its goal is to foster advancements in physical therapy practice, research, and education. The mission of the American Physical Therapy Association (APTA), the princip...

The American Political Science Association, founded in 1903, is the leading professional organization for the study of political science and serves more than 15,000 members in over 80 countries. With a range of programs and services for individuals, departments and institutions, APSA brings together...

Professional Affiliations: National Spa and Pool Institute Apartment Owners Building Association Community Association Institute Home Builders Association of Maryland American Red Cross Maryland Mutli-Housing Association (MMHA) Services Provid...

The American Postal Workers Union, AFL-CIO (APWU) is the world's largest postal union, representing more than 330,000 USPS employees, and nearly 2,000 private-sector mail workers. For more than three decades, APWU has fought for dignity and respect on the job for the workers we represent, as well...

The American Psychiatric Association is a medical specialty society recognized world-wide. Its over 35,000 U.S. and international member physicians work together to ensure humane care and effective treatment for all persons with mental disorder, including mental retardation and substance-related dis...

Based in Washington, DC, the American Psychological Association (APA) is a scientific and professional organization that represents psychology in the United States. With 150,000 members, APA is the largest association of psychologists worldwide. The objects of the American Psychological Associati...

Who We Are: The American Public Transportation Association (APTA) is North America’s foremost organization dedicated to the advancement of public transit. APTA is a nonprofit international association of over 1,500 member organizations which include transit systems, planning, design, construction ...

ARS realizes that our staff is our most important resource. We provide competitive compensation, benefits, and incentives to our staff, along with opportunities for professional advancement and growth. We emphasize high-quality patient care in our newly equipped, state-of-the-art facilities. We are ...

Since its founding in 1881 by visionary leader Clara Barton, the American Red Cross has been the nation's premier emergency response organization. As part of a worldwide movement that offers neutral humanitarian care to the victims of war, the American Red Cross distinguished itself by also aiding v...

American Community Properties Trust is a diversified real estate organization specializing in four related areas of operation: community development, development and ownership of rental apartment properties, property management, and development of commercial rental properties. With headquarters in S...

Radiation oncologists, radiation oncology nurses, medical physicists, radiation therapists, dosimetrists and biologists comprise ASTRO’s more than 9,000 members, making it the largest radiation oncology organization of its kind. These medical professionals, found at hospitals and cancer treatment ce...