Insights

Mission aligned partnerships Nonprofit network with extensive sister city program reach across 570 member communities and 2,300+ partnerships in 150 countries presents a structured channel for collaboration, sponsorships, and international cultural exchange initiatives.

Youth leadership programs Active engagement in youth leadership summits and student exchanges offers opportunities to propose educational programs, sponsorships, and technology enabled learning platforms for schools and municipalities.

Global collaboration funding Recent grants and grants-related initiatives such as the U.S.–Japan Global Impact Grant indicate openness to joint funding opportunities, public-private partnerships, and grant-driven project support.

Digital engagement channels Tech stack including Mailchimp, Open Graph, and social platforms signals readiness for digital outreach, event promotion, donor cultivation, and CRM integration to scale outreach and fundraising campaigns.

Expansion through events Active participation in international summits and conferences across the US, Japan, China, and Africa suggests a pattern of event-based collaboration ripe for sponsorships, vendor partnerships, and program delivery services.

Sister Cities International Tech Stack

Sister Cities International uses 8 technology products and services including Cloudflare Web Optimizations, Cloudflare, Microsoft 365, and more. Explore Sister Cities International's tech stack below.

  • Cloudflare Web Optimizations
    Analytics
  • Cloudflare
    Content Management System
  • Microsoft 365
    Email
  • Element UI
    Javascript Frameworks
  • jQuery Migrate
    Javascript Libraries
  • Choices
    Javascript Libraries
  • Elementor
    Page Builders
  • Facebook
    Widgets

Media & News

Sister Cities International's Email Address Formats

Sister Cities International uses at least 1 format(s):
Sister Cities International Email FormatsExamplePercentage
FLast@sistercities.orgJDoe@sistercities.org
87%
Last@sistercities.orgDoe@sistercities.org
8%
F.Last@sistercities.orgJ.Doe@sistercities.org
2%
First@sistercities.orgJohn@sistercities.org
3%

Frequently Asked Questions

What is Sister Cities International's phone number?

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You can contact Sister Cities International's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Sister Cities International's official website and social media links?

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Sister Cities International's official website is sistercities.org and has social profiles on LinkedIn.

What is Sister Cities International's NAICS code?

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Sister Cities International's NAICS code is 92812 - International Affairs.

How many employees does Sister Cities International have currently?

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As of July 2026, Sister Cities International has approximately 104 employees across 5 continents, including North AmericaAsiaAfrica. Key team members include President Karachi Chapter: M. K. G.President: P. M.Founder: S.. Explore Sister Cities International's employee directory with LeadIQ.

What industry does Sister Cities International belong to?

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Sister Cities International operates in the International Affairs industry.

What technology does Sister Cities International use?

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Sister Cities International's tech stack includes Cloudflare Web OptimizationsCloudflareMicrosoft 365Element UIjQuery MigrateChoicesElementorFacebook.

What is Sister Cities International's email format?

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Sister Cities International's email format typically follows the pattern of FLast@sistercities.org. Find more Sister Cities International email formats with LeadIQ.

When was Sister Cities International founded?

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Sister Cities International was founded in 1956.
Sister Cities International logo

Sister Cities International

International AffairsDistrict of Columbia, United States51-200 Employees

Sister Cities International is a nonpartisan nonprofit organization based in Washington, DC, founded in 1956 by President Dwight D. Eisenhower. It serves as the national membership association for individual sister cities, counties, and states across the United States, connecting tens of thousands of citizen diplomats and volunteers through a network of hundreds of partnerships in 150 countries on six continents. The organization facilitates international collaboration aimed at promoting peace through mutual respect, understanding, and cooperation, leveraging cross-cultural exchanges and community-to-community initiatives.

Its primary audience comprises U.S. municipalities and affiliated entities seeking structured sister-city engagements, with the goal of addressing global and local challenges through bilateral partnerships. Recent activities include coordinating youth leadership programs and fostering international collaboration through partnerships and summits, highlighting ongoing efforts to expand impact across multiple regions and topics. The organization operates within the international affairs sector, coordinating a nationwide network that supports and expands its 570 member communities.

Section iconCompany Overview

Phone number
NAICS Code
92812 - International Affairs
Founded
1956
Employees
51-200

Section iconFunding & Financials

  • $1M$10M

    Sister Cities International's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Sister Cities International's revenue is estimated to be in the range of $1M$10M

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