• American organizations established in 1917 (1 C, 40 P)

A

• Arts organizations established in 1917 (2 C, 8 P)

C

• Companies established in 1917 (20 C, 6 P)
• Courts and tribunals established in 1917 (4 P)

E

• Educational organizations established in 1917 (3 C, 2 P)

G

• Government agencies established in 1917 (2 C, 24 P)

H

• Hospitals established in 1917 (19 P)

M

• Military units and formations established in 1917 (784 P)

P

• Political organizations established in 1917 (3 C, 5 P)

R

• Religious organizations established in 1917 (3 C, 5 P)

S

• Scientific organizations established in 1917 (2 C, 5 P)
• Sports organizations established in 1917 (2 C, 15 P)
• Student organizations established in 1917 (9 P)

T

• Trade unions established in 1917 (29 P)

Y

• Youth organizations established in 1917 (11 P)

0–9

• 1917 Club

A

• Academy of Nutrition and Dietetics
• Altrusa International
• American Alliance for Labor and Democracy
• American Association for Thoracic Surgery
• American Association of Advertising Agencies
• American Junior Red Cross
• American Occupational Therapy Association
• American Protective League
• American War Mothers
• American Women's Hospitals Service
• Asam Sahitya Sabha

B

• Bird Protection Quebec
• Biuro Centralne Bezpartyjnych Związków Zawodowych
• Bolivian Red Cross
• Boys Town (organization)

C

• CAA Saskatchewan
• Cementerio Israelita, La Paz
• Circle For Negro War Relief
• Civitan International
• Club Femenino de Cuba
• Committee on Public Information
• Comrades of the Great War
• CONCANACO
• Council of Workers' and Soldiers' Delegates

D

• Data & Marketing Association
• Deutsches Institut für Normung

F

• Federation CJA

G

• Genealogical Society of Finland

H

• Hamitic League of the World
• Harbin Soviet

I

• Indian Institute of Architects
• The Inquiry
• Institute of Practitioners in Advertising
• Institute of Quarrying
• International Association of Amusement Parks and Attractions
• Iowa Child Welfare Research Station

K

• Knights of Liberty (vigilante group)

L

• Latvian Women's National League
• Liga Social Sufragista
• Lions Clubs International
• Lithuanian Hall

M

• Medical Women's Federation
• Metro United Way
• Moscow Military Revolutionary Committee

N

• National Association of British and Irish Millers
• National Association of Discharged Sailors and Soldiers
• National Automobile Dealers Association
• National Civil Liberties Bureau
• National Federation of Discharged and Demobilised Sailors and Soldiers
• National League for Women's Service
• National Society Daughters of Colonial Wars

O

• Opera Nazionale Combattenti

P

• People's Dispensary for Sick Animals
• Petrograd Military Revolutionary Committee
• Petrograd Soviet
• Philippine Red Cross

R

• Anthony Reckless Estate
• Regional Committee in Protection of Revolution in Ukraine
• RiverSpring Living
• Romney Street Group
• Rosenwald Fund
• Royal Australian Chemical Institute
• Royal Society for the Prevention of Accidents
• Russian Book Chamber

S

• SCC Arbitration Institute
• Scottish Women's Institutes
• The Seafarers' Charity
• Smith College Relief Unit
• Special Council on Food Supply
• Swedish Linnaeus Society

U

• Ugly Men's Association
• Ukrainian Women's Union (Kyiv)
• United States Hispanic Chamber of Commerce
• United States Oil & Gas Association

W

• War Policy Committee
• Woman's Club of Mesa
• Women's Bar Association of the District of Columbia
• Women's Indian Association
• Women's Land Army