Insights

Advocacy scale SEIU Local 521 represents a large workforce across multiple regions, indicating a potential need for services that support large-scale member engagement, digital fundraising, and training programs to help mobilize 53,000 workers efficiently.

Digital footprint Active tech stack including WordPress, Google Analytics, and Facebook Pixel suggests openness to digital marketing services, data analytics, and website optimization to boost member recruitment, events, and campaigns.

Policy and justice Focus on social justice issues (immigration, racial and environmental justice) signals opportunities for partnerships in advocacy tools, coalition management platforms, and impact measurement solutions aligned with progressive campaigns.

Financial scale Revenue range of 10M to 25M indicates readiness for enterprise-grade software, sponsorship management, and secure donor/trust accounting solutions tailored to nonprofit unions and public-sector-focused organizations.

Staff expansion Relatively moderate headcount (51-200) combined with regional presence suggests opportunities for training, human resources tech, and contractor management services to support growth and field operations.

SEIU Local 521 Tech Stack

SEIU Local 521 uses 8 technology products and services including Facebook Pixel, WordPress, Apple iCloud Mail, and more. Explore SEIU Local 521's tech stack below.

  • Facebook Pixel
    Analytics
  • WordPress
    Content Management System
  • Apple iCloud Mail
    Email
  • Chosen
    Javascript Frameworks
  • Google Analytics
    Web Analytics
  • Microsoft ASP.NET
    Web Frameworks
  • Photo Gallery
    Web Platform Extensions
  • Countdown Timer Ultimate
    Widgets

SEIU Local 521's Email Address Formats

SEIU Local 521 uses at least 1 format(s):
SEIU Local 521 Email FormatsExamplePercentage
First.Last@seiu521.orgJohn.Doe@seiu521.org
96%
FLast@seiu521.orgJDoe@seiu521.org
2%
Last@seiu521.orgDoe@seiu521.org
1%
First.Middle@seiu521.orgJohn.Michael@seiu521.org
1%

Frequently Asked Questions

What is SEIU Local 521's official website and social media links?

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SEIU Local 521's official website is seiu521.org and has social profiles on LinkedIn.

How much revenue does SEIU Local 521 generate?

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As of July 2026, SEIU Local 521's annual revenue is estimated to be $10M - $25M.

What is SEIU Local 521's NAICS code?

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SEIU Local 521's NAICS code is 8134 - Civic and Social Organizations.

How many employees does SEIU Local 521 have currently?

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As of July 2026, SEIU Local 521 has approximately 113 employees across 2 continents, including North AmericaOceania. Key team members include Director: J. R.Director Of Finance: M. L.Local-Wide Field Director: T. G.. Explore SEIU Local 521's employee directory with LeadIQ.

What industry does SEIU Local 521 belong to?

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SEIU Local 521 operates in the Civic and Social Organizations industry.

What technology does SEIU Local 521 use?

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SEIU Local 521's tech stack includes Facebook PixelWordPressApple iCloud MailChosenGoogle AnalyticsMicrosoft ASP.NETPhoto GalleryCountdown Timer Ultimate.

What is SEIU Local 521's email format?

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SEIU Local 521's email format typically follows the pattern of First.Last@seiu521.org. Find more SEIU Local 521 email formats with LeadIQ.

When was SEIU Local 521 founded?

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SEIU Local 521 was founded in 2007.
SEIU Local 521 logo

SEIU Local 521

Civic and Social OrganizationsCalifornia, United States51-200 Employees

SEIU Local 521 is a labor union within the civic and social organizations sector that emphasizes progressive activism and worker empowerment. Based in San Jose, California, the organization engages with broader social justice issues including immigration, racial justice, and environmental justice. It represents roughly 53,000 workers in public and non-profit sectors as well as private employers across the Coast, Central Valley, and Silicon Valley.

Its work centers on advocating for workers and communities and includes organizing and public service improvement as part of its mission. The group serves public sector, non-profit, and private sector employees, positioning itself within the labor movement to address labor-related concerns alongside broader social issues.

Section iconCompany Overview

NAICS Code
8134 - Civic and Social Organizations
Founded
2007
Employees
51-200

Section iconFunding & Financials

  • $10M - $25M

    SEIU Local 521's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    SEIU Local 521's revenue is estimated to be in the range of $10M - $25M

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