Insights

Legal & Advocacy The Sierra Club Illinois Chapter actively engages in environmental litigation and policy advocacy, presenting opportunities to offer environmental compliance services, impact assessments, and environmental risk analytics to support their legal actions and public interest campaigns.

Funding & Scale With a mid-sized nonprofit revenue range and 11-50 employees, there is potential for cost-effective partnerships in grants management, donor CRM optimization, and digital fundraising platforms that align with their public campaigns and outreach efforts.

Tech Stack Fit The organization already uses cloud and collaboration tools (Google libraries, Gmail, Zoom) and donor management (NGP VAN), suggesting openness to integrated tech solutions, analytics dashboards, and streamlined volunteer coordination that enhance advocacy operations.

Partnership Potential Recent collaboration with environmental coalitions indicates receptivity to joint campaigns; sales opportunities exist in environmental education programs, coalition management platforms, and shared media production services for awareness initiatives.

Geographic Focus Based in Chicago with broader Illinois presence, there is demand for local events management, data center environmental impact assessments, and region-specific sustainability reporting that could be offered to municipal partners, conservation programs, and corporate sponsors operating in Illinois.

Similar companies to Sierra Club Illinois Chapter

Sierra Club Illinois Chapter Tech Stack

Sierra Club Illinois Chapter uses 8 technology products and services including Salesforce Lightning, Osano, NetSuite, and more. Explore Sierra Club Illinois Chapter's tech stack below.

Media & News

Sierra Club Illinois Chapter's Email Address Formats

Sierra Club Illinois Chapter uses at least 4 email formats:
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 September 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 September 2026, Sierra Club Illinois Chapter has approximately 16 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 Salesforce Lightning, Osano, NetSuite, Mailchimp, Workday, Airtable, Slack and Adobe Creative Suite.

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

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