Organizations
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"No" Coalition
Name: Protect MI Constitution from Special Interests (PMCFSI)
Website: https://www.protectmiconstitution.com
Web Pages:
- Home: as of April 27, 2026.
- FAQ: as of Aug 15, 2025.
- About Us: As of April 27, 2026.
- Contact Form: as of April 27, 2026.
Facebook Page:
https://www.facebook.com/profile.php?id=61579229975299
Press Releases:
Business advocates, real estate groups warn of harm to economy, urge NO vote on Con-Con, PMCFSI Press Release, April 29. 2026.
ICYMI: MI Chamber appears on ‘Off the Record’ to highlight danger of Con-Con, encourage NO vote on Proposal 1, PMCFSI Press Release, April 6. 2026.
Chaotic, paralyzing state budget stalemate is a preview if voters approve a Con-Con in 2026, PMCFSI Press Release, Sept. 19, 2025.
Protect MI Constitution from Special Interests forms committee to urge NO vote on Proposal 1 in 2026, PMCFSI Press Release, Aug. 15, 2025.
Dark Money Funders:
- The Global Impact Social Welfare Fund ($385,000)
- American Opportunity Action ($300,000)
- The Fairness Project ($175,000)
As of April 20, 2026, these three groups had contributed $860,000 to the "No" Coalition. For partial coverage of these contribiutions, see Schuster, Simon D., More dark money flows to Michigan ballot groups, Bridge Michigan, April 27, 2026, and Schuster, Simon D., Who’s funding Michigan ballot campaigns? Dark money flows from out of state, Bridge Michigan, Oct. 29, 2025.
Powerful "No" Organizations
Michigan Education Association
Vote No on Proposition 1, MEA Flyer, March 12, 2026.
Con-Con for Michigan Students and Schools, MEA Position Statement, March 12, 2026.
MEA joins West Michigan & statewide groups to say: Vote NO on Con-Con to avoid risky changes to MI Constitution, MEA Press Release, July 30, 2026.
Michigan Chamber of Commerce
March 20, 2026 | This Week in Government, Michigan Chamber of Commerce, March 20, 2026.
Chamber in the News: Business, labor, democracy groups unite in opposition to Constitutional Convention, Michigan Chamber of Commerce, March 19, 2026.
Chamber in the News: Ballot Initiatives and Structural Risks, Michigan Chamber of Commerce, April 2, 2026.
Local chambers
Small Business Association of Michigan
Website: https://www.facebook.com/SmallBusinessAssociationofMichigan
Other:
Michigan’s Constitution Is on the Ballot This November, Small Business Association of Michigan, July 30, 2026. Originally published in SBAM’s July/August 2026 issue of FOCUS magazine.
Facebook post. May 20, 2026.
Michigan Democratic Party
MDP Endorses No Votes on Con-Con and Voter Suppression Ballot Measures, Michigan Democratic Party Press Release, March 23, 2026.
Michigan Catholic Conference
News Release: Vote No on Proposal 1 to Keep Michigan Residents in Charge of State Constitution, Catholic Conference Says, Press Release, July 9, 2026.
"Yes" Coalition
A "Yes' committee, "Yes on Proposal 1," was filed with the Michgian Department of State on Dec. 5, 2025, but there has been no subsequent activity by that committee, including no reports of campaign contributions or expenditures. The committee ID is 0611854.
"Yes" Organizations
None announced.