30 leading subscription businesses in Washington (2026 list)

The companies listed are primarily large non-profit organizations and publishing houses based in Washington. These include National Geographic, a multimedia destination for science and exploration, and AARP, a non-profit advocating for people aged 50-plus. The Washington Post is a news organization focused on reporting and analysis, while Blackboard delivers digital learning environments. Optica is a global organization promoting knowledge in optics and photonics.

A notable pattern among these entities is their long history; many were founded in the 19th or early 20th century. Examples include the American Society of Civil Engineers, established in 1852, and the American Chemical Society, founded in 1876. This suggests a concentration of well-established institutions in the area.

#	Company	Industry	Headquarters	Employees	Founded
1	National Geographic nationalgeographic.com A multimedia destination sharing stories in science, exploration, and adventure, dedicated to funding scientists, explorers, and conservationists for over 135 years	Book and Periodical Publishing	🇺🇸 Washington	9,247	n/a
2	AARP aarp.org A nonprofit organization disrupting stereotypes about aging, advocating for issues affecting people 50-plus, providing services and information for health, finance, and fulfillment	Non-profit Organizations	🇺🇸 Washington	6,616	1958
3	The Washington Post washingtonpost.com A leading news organization focused on trustworthy reporting, in-depth analysis, and engaging opinions through a blend of journalism and technology	Newspaper Publishing	🇺🇸 Washington	3,473	1877
4	Optica optica.org A global organization promoting knowledge in optics and photonics through publications, meetings, resources, and activities to accelerate scientific and educational achievements	Non-profit Organizations	🇺🇸 Washington	2,984	1916
5	American Chemical Society acs.org Professional organization supporting chemists worldwide through publications, conferences, education, research grants, and advocacy for chemistry's societal impact.	Non-profit Organizations	🇺🇸 Washington	2,797	1876
6	Blackboard blackboard.com Delivers digital environment for teaching and learning through an AI-advanced LMS, accessibility tools, and institutional effectiveness solutions.	E-Learning Providers	🇺🇸 Washington	2,759	1997
7	American Society of Civil Engineers asce.org Established in 1852, this organization represents over 150,000 members worldwide They provide conferences, education, publications, and set codes for civil engineering standards	Civil Engineering	🇺🇸 Washington	2,510	1852
8	ASM linktr.ee Advancing the microbial sciences through conferences, publications, certifications, and education while providing a global network for scientists	Non-profit Organizations	🇺🇸 Washington	1,917	1899
9	American College of Cardiology acc.org The organization leads in cardiovascular care, education, research, and policy formation to improve heart health for all	Hospitals and Health Care	🇺🇸 Washington	1,896	1949
10	The American Institute of Architects (AIA)aia.org An organization supporting architects and allied partners through advocacy, continuing education, contract documents, market research, conferences, awards, and promoting design excellence	Architecture and Planning	🇺🇸 Washington	1,757	1857
11	National Association of Home Builders nahb.org NAHB advocates for housing opportunities, professional success for members, and access to safe, affordable housing for all Americans through industry representation and events	Construction	🇺🇸 Washington	1,643	1942
12	The Atlantic theatlantic.com A reputable publication shaping the national debate on politics, business, foreign affairs, and cultural trends for over 150 years	Book and Periodical Publishing	🇺🇸 Washington	1,546	1857
13	Associated Builders and Contractors abc.org A national construction association supporting members in developing people, winning work, and delivering projects safely, ethically, and profitably for communities	Construction	🇺🇸 Washington	1,483	1950
14	Transport Topics ttnews.com Leading source of news and analysis on freight transportation, regulatory issues, industry events, business, and technology developments.	Newspaper Publishing	🇺🇸 Washington	1,445	1935
15	AAAS aaas.org Non-profit advancing science, engineering, and innovation globally. Publishes scientific journals like Science magazine, promotes understanding, and fosters scientific excellence, equity, and policy.	Non-profit Organizations	🇺🇸 Washington	1,111	1848
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16	National Association of Social Workers socialworkers.org Professional organization advocating for social workers, promoting their practice, and improving well-being of individuals, families, and communities through advocacy and support	Non-profit Organizations	🇺🇸 Washington	1,077	1955
17	Monumental Sports & Entertainment monumentalsports.com An integrated sports and entertainment company in Washington, DC with diverse partnerships, owning and operating professional sports teams, arenas, and training facilities	Spectator Sports	🇺🇸 Washington	1,037	n/a
18	PLASTICS (Plastics Industry Association)plasticsindustry.org An organization representing the plastics supply chain and promoting global competitiveness, recycling, and environmental sustainability, while fostering technological innovations and economic opportunities	Non-profit Organizations	🇺🇸 Washington	963	1937
19	ENGIE Impact engieimpact.com Sustainability solutions provider for corporations, cities, and governments worldwide, offering strategic and technical support to tackle complex sustainability challenges Leader in zero-carbon transition	Environmental Services	🇺🇸 Washington	934	1996
20	Inside Higher Ed insidehighered.com A reliable source of news, analysis, and services for the higher education community, offering essential tools and resources to professionals and organizations	Online Audio and Video Media	🇺🇸 Washington	886	2004
21	Biotechnology Innovation Organization bio.org Provides advocacy, business development, and communication services for over 1,200 member organizations, championing biotechnology and supporting innovation in various sectors worldwide.	Biotechnology Research	🇺🇸 Washington	865	1993
22	The Chronicle of Higher Education chronicle.com Leading source for news, information, and jobs for college and university faculty members and administrators since 1966	Newspaper Publishing	🇺🇸 Washington	854	1966
23	American Psychiatric Association psychiatry.org National medical society with over 39,200 physicians specializing in diagnosis, treatment, prevention, and research of mental illnesses and substance use disorders.	Non-profit Organizations	🇺🇸 Washington	840	1844
24	U.S. Green Building Council usgbc.org The company promotes sustainability through LEED, leading the way in green building and community development for a healthier, prosperous future	Non-profit Organizations	🇺🇸 Washington	713	1993
25	Fulbright Association fulbright.org Promoting lifelong engagement for US alumni of the Fulbright Program through networking, service projects, advocacy for international education, and cultural events	Higher Education	🇺🇸 Washington	673	1977
26	Retail Industry Leaders Association (RILA)rila.org A leading US trade association advocating for retailers, promoting operational excellence and innovation to transform the industry environment for success	Retail	🇺🇸 Washington	605	n/a
27	American College of Obstetricians and Gynecologists (ACOG)acog.org A professional membership organization founded in 1951, dedicated to improving women's health through guidelines, educational materials, and board-certified ob-gyn members	Non-profit Organizations	🇺🇸 Washington	602	1951
28	National Association of Independent Schools nais.org This organization supports over 1,700 independent K-12 schools in the US and abroad, helping them fulfill their unique missions and serve students effectively	Education Administration Programs	🇺🇸 Washington	595	n/a
29	Foreign Policy foreignpolicy.com This company is a global magazine that provides alternative viewpoints on American foreign policy and explores major world issues rigorously	Book and Periodical Publishing	🇺🇸 Washington	559	n/a
30	DIA diaglobal.org A global nonprofit organization fostering collaborative innovation in the life sciences industry through knowledge resources, conferences, training courses, and strategic partnerships	Pharmaceutical Manufacturing	🇺🇸 Washington	555	1964

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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.

30 leading subscription businesses in Washington

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