Producer Membership Information
Get Specified. Get Qualified. Get the Work.
Architects and specifiers across the country often require Cast Stone Institute® Certified Producers in their project specifications. Without certification, your company may not even have the opportunity to bid — no matter your background or past projects.
Becoming a Certified Producer Member isn't just about credibility.
It's about access. It's about opportunity.
It's about being part of something bigger.
Cast Stone Institute Certified Producer Members meet the highest quality standards in the industry — and that standard is written into specifications for schools, hospitals, courthouses, commercial buildings, and more. Certification opens doors that uncertified companies simply can't walk through.
Why Become a CSI Certified Producer?
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Written Into Specifications
CSI certification is referenced by name in project specs for projects and buildings nationwide.
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Access More Bid Opportunities
Without certification, you may not even qualify to bid on projects that require a CSI Certified plant — regardless of your experience.
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Third-Party Verified Quality
Certification is backed by independent testing and plant inspections, giving specifiers confidence in your work before the project begins.
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Listed in the Producer Directory
Get listed in the CSI Certified Producer Directory, used nationwide by architects, contractors, and owners looking for qualified producers.
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Shape the Industry
CSI members don't just benefit from the standard — they help set it. Through committees, outreach, and technical initiatives, your membership advances architectural cast stone and strengthens the industry for everyone.
Membership Requirements
To qualify for Producer Membership, applicants must:
Operate a manufacturing facility primarily engaged in the production of architectural cast stone
Be in continuous operation for a minimum of three (3) years
Pass CSI's plant inspection and maintain certified status through the ongoing Quality Control Program, including required freeze/thaw durability testing
Comply with CSI's Technical Manual and ASTM C1364
Agree to follow the Cast Stone Institute Code of Ethics
Annual Dues: $6,500 A non-refundable deposit of $3,250 is due upon application.
For many members, CSI certification pays for itself through eligibility to bid on more projects, greater trust from specifiers, and inclusion in high-profile work.
Investment
If your company isn't certified — and the CSI spec is in the job — you may not even have a seat at the table.
When we set rigorous standards and hold ourselves accountable, we raise the bar — not just for one company, but for the entire industry. The better architectural cast stone becomes, the more it's promoted. The more it's promoted, the more opportunity there is — for all of us.
That's what CSI membership is really about: not just doing better work — but being better together.