Insights

Strategic Partnerships The Illinois Chapter engages in legal actions and coalition building with other groups (including Wrest Collective) suggesting a receptiveness to collaborative campaigns and sponsorships that amplify advocacy efforts.

Policy & Compliance Active involvement in high-profile regulatory actions against energy and government bodies indicates potential for training, consulting, or technology solutions that support FOIA request management, data tracking, and public records requests.

Sustainability Advocacy Focus on environmental enforcement, clean air, and groundwater contamination research points to opportunities for grant management platforms, donor management with stewardship programs, and citizen science software integrations.

Funding Scale Revenue range suggests room for scalable nonprofit CRM, fundraising automation, grant lifecycle tools, and reporting dashboards tailored for mid-sized nonprofits in environmental sectors.

Community Engagement Active events and national campaigns imply a need for event management, volunteer coordination, and multichannel outreach solutions that integrate with existing tech stack (Drupal, Excel, WhatsApp).

Sierra Club Illinois Chapter Tech Stack

Sierra Club Illinois Chapter uses 8 technology products and services including Google Hosted Libraries, Gmail, NGP VAN, and more. Explore Sierra Club Illinois Chapter's tech stack below.

  • Google Hosted Libraries
    Content Delivery Network
  • Gmail
    Email
  • NGP VAN
    Fundraising And Donation Management
  • React
    Javascript Frameworks
  • Lightbox
    Javascript Libraries
  • WhatsApp
    Social Sharing
  • Yahoo! DOT
    Tag Management
  • Zoom
    Web Conferencing

Media & News

Sierra Club Illinois Chapter's Email Address Formats

Sierra Club Illinois Chapter uses at least 1 format(s):
Sierra Club Illinois Chapter Email FormatsExamplePercentage
First.Last@sierraclub.orgJohn.Doe@sierraclub.org
95%
Last.First@sierraclub.orgDoe.John@sierraclub.org
2%
Fir.Last@sierraclub.orgJoh.Doe@sierraclub.org
2%
First.Middle@sierraclub.orgJohn.Michael@sierraclub.org
1%

Frequently Asked Questions

What is Sierra Club Illinois Chapter's official website and social media links?

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Sierra Club Illinois Chapter's official website is sierraclub.org and has social profiles on LinkedIn.

How much revenue does Sierra Club Illinois Chapter generate?

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As of July 2026, Sierra Club Illinois Chapter's annual revenue is estimated to be $10M - $25M.

What is Sierra Club Illinois Chapter's NAICS code?

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Sierra Club Illinois Chapter's NAICS code is 813 - Religious, Grantmaking, Civic, Professional, and Similar Organizations.

How many employees does Sierra Club Illinois Chapter have currently?

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As of July 2026, Sierra Club Illinois Chapter has approximately 15 employees across 1 continents, including North America. Key team members include Legislative Apprentice: E. C.. Explore Sierra Club Illinois Chapter's employee directory with LeadIQ.

What industry does Sierra Club Illinois Chapter belong to?

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Sierra Club Illinois Chapter operates in the Non-profit Organizations industry.

What technology does Sierra Club Illinois Chapter use?

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Sierra Club Illinois Chapter's tech stack includes Google Hosted LibrariesGmailNGP VANReactLightboxWhatsAppYahoo! DOTZoom.

What is Sierra Club Illinois Chapter's email format?

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Sierra Club Illinois Chapter's email format typically follows the pattern of First.Last@sierraclub.org. Find more Sierra Club Illinois Chapter email formats with LeadIQ.
Sierra Club Illinois Chapter logo

Sierra Club Illinois Chapter

Non-profit OrganizationsIllinois, United States11-50 Employees

The Sierra Club Illinois Chapter is the Illinois arm of the national Sierra Club, a non-profit organization focused on environmental advocacy. Based in Chicago, Illinois, it serves the state as part of a broader network of chapters. It maintains a modest staff and an online presence at illinois.sierraclub.org. 

The chapter engages in environmental policy work through advocacy, public outreach, and legal action, often in collaboration with partner groups. In June 2025, it filed a lawsuit against the Department of Energy over transparency and FOIA issues. It also participates in public-facing events around environmental topics, such as National Parks Week, reflecting its role in community engagement.

Section iconCompany Overview

NAICS Code
813 - Religious, Grantmaking, Civic, Professional, and Similar Organizations
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Sierra Club Illinois Chapter's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    Sierra Club Illinois Chapter's revenue is estimated to be in the range of $10M - $25M

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