Post-Tensioning Institute
Post-Tensioning Institute is a 50-year-old nonprofit standards body and certification provider for the post-tensioned concrete industry, serving engineers, contractors, plants, and academics through technical codes, field and plant certification programs, education, and industry events.
- Company typePrivate
- Founded1975
- HeadquartersFarmington Hills, United States
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Post-Tensioning Institute does
The Post-Tensioning Institute (PTI) is a nonprofit professional membership organization founded in 1975 and headquartered in Farmington Hills, Michigan, with operating jurisdiction under California law. PTI develops and maintains consensus-based technical codes, standards, specifications, and guides for the design, construction, maintenance, and repair of post-tensioned concrete structures, and administers certification programs for field personnel and plants that are referenced by US building codes. Its core products include the ACI/PTI CODE-320-25 (a comprehensive code on post-tensioned structural concrete), field personnel certifications (Levels 1 and 2 for unbonded PT installation, inspection, repair, multistrand/grouted specialist, and slab-on-ground), plant certification, the PTI Academy online education platform, design seminars, the biannual peer-reviewed PTI Journal, and supporting resources such as the PT Project Database, podcast, and marketing toolkit.
PTI serves a focused industry community: 200 company members, 390 professional members, and approximately 900 annual field-certification attendees, spanning engineers, designers, installers, inspectors, plant operators, and academics in the post-tensioned concrete industry. Its revenue model blends recurring membership dues, certification and workshop fees, publication sales, event registration and sponsorship revenue (PTI Convention, Committee Days, World of Concrete), and education program fees. Distribution is via direct enrollment, an e-commerce bookstore, in-person certification workshops across six US cities, and online self-serve learning. Distribution channels are event-driven and community-centric rather than outbound sales-driven.
Recent strategic activity includes a December 2025 sustainability partnership with P+Ex, publication of the ACI/PTI CODE-320-25 code, the 2025 50th anniversary milestone, and an expanded 2026 certification schedule. The organization competes not as a commercial entity but as the de facto standard-setter for the post-tensioning industry in North America, with growing international reach through events and publications.
Post-Tensioning Institute firmographics
Firmographics- Name
- Post-Tensioning Institute
- Legal name
- Post-Tensioning Institute
- Website
- https://post-tensioning.org
- Company type
- Private
- Founded year
- 1975
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Post-Tensioning Institute is a 50-year-old nonprofit standards body and certification provider for the post-tensioned concrete industry, serving engineers, contractors, plants, and academics through technical codes, field and plant certification programs, education, and industry events.
- Ownership category
- akta.pro rank
Where Post-Tensioning Institute is headquartered
LocationHeadquarters
- HQ city
- Farmington Hills
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Post-Tensioning Institute business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Others
Revenue model
- Membership Dues: Annual membership fees for company members, professional members, and student members with tiered benefits.
- Certification Fees: Fees for field personnel certification workshops and plant certification programs.
- Publications Sales: Sales of technical documents, codes, standards, specifications, and guides through the PTI bookstore.
- Event Registration and Sponsorship: Revenue from PTI Convention, Committee Days, World of Concrete participation, and partner/sponsorship programs.
- Education Programs: Fees for design seminars, PTI Academy courses, and webinars.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | World of Concrete Exhibits-Only Registration |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels6 records
Post-Tensioning Institute product offering
Product offeringCore offering
Post-Tensioning Institute is a nonprofit organization that develops and disseminates consensus-based technical codes, standards, specifications, and guidance for the design, construction, maintenance, and repair of post-tensioned concrete structures. Its commercial offerings include field personnel and plant certification programs, continuing education (PTI Academy, design seminars), and publication sales through the PTI bookstore, including the flagship ACI/PTI CODE-320-25.
Product overview
The Post-Tensioning Institute (PTI) operates as a professional membership organization offering a portfolio of certification, education, and publication products centered on post-tensioned concrete construction. The core offerings include Field Personnel Certification (Levels 1 and 2 for unbonded PT installation, inspection, and repair, plus multistrand and grouted PT specialist programs), Plant Certification for certified post-tensioning material suppliers, and PTI Academy providing live and on-demand webinars. Education is further supported by Design Seminars teaching PT fundamentals for buildings and slabs-on-ground, plus comprehensive PT Applications Resources covering buildings, bridges, parking structures, repair, rock-and-soil anchors, and slab-on-ground. PTI Publications form the standards backbone, with the flagship ACI/PTI CODE-320-25 covering post-tensioned structural concrete requirements and commentary, alongside the biannual PTI Journal featuring peer-reviewed technical papers and case studies. The organization also maintains a PT Project Database, PTI Podcast, and provides a Career Center and Marketing Toolkit for members. Events include the annual PTI Convention, Committee Days, and World of Concrete participation. The Partner Program offers sponsorship and marketing opportunities.
Differentiator
Problem solved
Functional benefit
Products and services
- Field Personnel Certification Certification programs for installers, inspectors, engineers, and other field personnel including Level 1 & 2 Unbonded PT Installer & Inspector, Level 1 & 2 Unbonded PT Repair, Level 1 & 2 Slab-on-Ground, Multistrand & Grouted PT Specialist, and Multistrand & Grouted PT Inspector certifications. Required by building codes for post-tensioning construction.
- Plant Certification Certification program for plants supplying post-tensioning materials, required by building codes. Ensures products meet PTI standards for quality and safety.
- PTI Academy Continuing education platform offering webinars led by post-tensioning industry experts, available in both live and on-demand formats for professional development.
- Design Seminars Educational programs teaching design fundamentals for PT buildings and PT slabs-on-ground, available in live and on-demand formats.
- ACI/PTI CODE-320-25: Post-Tensioned Structural Concrete — Code Requirements and Commentary 168-page comprehensive code providing minimum requirements for materials, design, construction, durability, anchorages, and inspection of post-tensioned concrete buildings and nonbuilding structures.
- PTI Publications Technical codes, standards, specifications, guides, and other resources covering design, construction, maintenance, and repair of post-tensioned structures, sold through the PTI bookstore in digital and print formats.
- PTI Journal Biannual peer-reviewed technical journal containing technical papers, articles, industry news, and case studies, distributed to PTI members worldwide and at major industry events.
- PTI Membership Annual membership program with tiered benefits for company members, professional members, and student members, providing access to certification programs, technical documents, industry networking, and professional development resources.
- PTI Convention Premier annual industry event focusing on post-tensioned concrete, featuring committee meetings, technical sessions, networking, and exhibit hall over five days.
- World of Concrete Participation Annual international construction industry event where PTI offers certification workshops and networking opportunities for post-tensioning professionals.
Quantifiable outcome
- 50 years of industry leadership and standard-setting
- +1 more outcomes
Companies that use Post-Tensioning Institute
Customer profileNamed customers1 record
Segments3 records
Ideal customer profiles3 records
Post-Tensioning Institute technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Post-Tensioning Institute partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- P+ExcoreP+Ex and Post-Tensioning Institute formed a strategic partnership to promote sustainability and durability in concrete structures. The collaboration aims to enhance best practices, extend service life, and reduce environmental impact through joint initiatives, training, and outreach.
Scale indicators5 records
Recent moves5 records
Expansion highlights5 records
Post-Tensioning Institute competitors and assessment
Company assessmentBroad incumbents
- International Code Council: Develops the I-Codes adopted by US jurisdictions — the building code framework that PTI certifications and standards plug into. Relevant as the upstream regulatory body whose adoption determines PTI's mandate reach.
- American Society of Civil Engineers: Large, established engineering society that publishes widely adopted codes and standards (e.g., ASCE 7) used alongside PTI documents; overlaps with PTI's structural-engineering audience and standards-development model.
- ASTM International: Global standards organization producing material and testing standards referenced alongside PTI's post-tensioning specifications; comparable as a consensus-based standards publisher serving construction and engineering clients.
- American Institute of Steel Construction: Standards body and certification provider for structural steel — the principal competing structural framing system to post-tensioned concrete; comparable operating model (codes, certification, member services) targeting the same structural engineering audience.
- National Institute of Building Sciences: Non-profit that convenes building industry stakeholders to develop codes, standards, and building science guidance — a comparable non-profit consensus model addressing the broader construction ecosystem PTI serves.
Direct peers
- American Concrete Institute: Co-publisher with PTI of ACI/PTI CODE-320-25; both organizations develop consensus-based codes, certification programs, and educational offerings for the concrete construction industry, serving overlapping engineer and contractor audiences.
- Precast/Prestressed Concrete Institute: Standards and certification body for precast/prestressed concrete — a closely adjacent technical domain to PTI's post-tensioning scope, with shared members in precast/prestressed fabrication and structural engineering.
- Wire Reinforcement Institute: Trade association for welded wire reinforcement and related concrete reinforcement products; serves as a peer standards and education body operating in adjacent reinforcement technologies to post-tensioning.
Emerging players
- Construction Specifications Institute: Membership organization offering education and certification (e.g., CCS, CDT) for construction specifications professionals; comparable as a niche credentialing body whose certified-population model parallels PTI's field personnel certifications.
Regional players
- National Ready Mixed Concrete Association: Trade association for ready-mixed concrete producers with certification programs (e.g., concrete certifications) that overlap with PTI's workforce certification mission within the North American concrete value chain.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks4 records
Key highlights6 records
Customer concentration
Post-Tensioning Institute social profiles
Digital presencePost-Tensioning Institute financial estimates
Financial estimateRevenue estimate
Valuation estimate
Post-Tensioning Institute leadership team
Management profileNumber of profiles
Post-Tensioning Institute funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Post-Tensioning Institute M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Post-Tensioning Institute
What does Post-Tensioning Institute do?
Post-Tensioning Institute is a nonprofit organization that develops and disseminates consensus-based technical codes, standards, specifications, and guidance for the design, construction, maintenance, and repair of post-tensioned concrete structures. Its commercial offerings include field personnel and plant certification programs, continuing education (PTI Academy, design seminars), and publication sales through the PTI bookstore, including the flagship ACI/PTI CODE-320-25.
Is Post-Tensioning Institute a public or private company?
Post-Tensioning Institute is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was Post-Tensioning Institute founded?
Post-Tensioning Institute was founded in 1975. It employs 1 to 10 people.
Where is Post-Tensioning Institute based?
Post-Tensioning Institute is headquartered in Farmington Hills, United States, in the North America region.
How does Post-Tensioning Institute make money?
Five revenue lines are on record. Membership Dues are the primary driver. The others are certification Fees, publications Sales, event Registration and Sponsorship and education Programs.
Who are Post-Tensioning Institute's main competitors?
Broad incumbents on record are International Code Council, American Society of Civil Engineers, ASTM International, American Institute of Steel Construction and National Institute of Building Sciences. Direct peers are American Concrete Institute, Precast/Prestressed Concrete Institute and Wire Reinforcement Institute. Construction Specifications Institute is listed as an emerging player. National Ready Mixed Concrete Association is listed as a regional player.
Does Post-Tensioning Institute have an API?
No public API is recorded for Post-Tensioning Institute.