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Diplomatic Language Services

Established in 1985, Diplomatic Language Services provides language training, translation, interpretation, and linguist testing.

Education Administration Programs
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Headquarters
Arlington, Virginia, United StatesSource: RevenueBaseRetrieved October 13, 2026
Employee range
201 to 500Source: RevenueBaseRetrieved October 13, 2026
Founded
1985Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
49 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Diplomatic Language Services do?

Training is offered in over 85 languages, with linguists and instructors available for full-time and part-time programs.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

Its clients include federal and state government, commercial, and academic organizations.

What the business offers

Services & capabilities.

Language training

Professional, experienced native-speaking instructors provide proficiency-based foreign language training designed to meet client requirements.

Source: LinkedIn company description · Retrieved October 13, 2026

Translation, interpretation, and linguist testing

The company provides these services to federal and state government, commercial, and academic clients.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

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BADGE PREVIEWDiplomatic Language Services listed #1 on Interpreter training companies, September 30, 2026Open the published source list.
Diplomatic Language Services

#1 Interpreter training companies

Snapshot: September 30, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 3, 2026, September 4, 2026, September 5, 2026, September 14, 2026, September 18, 2026, September 19, 2026, September 20, 2026, September 26, 2026, September 27, 2026, September 28, 2026 and September 30, 2026. How the company lists are built.

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