TPI Composites is an independent manufacturer of composite wind turbine blades and a wind blade field services provider, operating plants in Newton, Iowa and Juarez, Mexico with service teams in North America and Europe and an engineering center in Denmark. Its composites expertise dates to predecessor Tillotson Pearson Inc., and it has built wind blades since 2001. TPI filed for Chapter 11 in August 2025, was delisted from Nasdaq that September, sold its Indian and Matamoros plants to Vestas, and emerged on July 6, 2026 debt-free and privately owned by Energy Capital Partners, with legacy common equity cancelled.
TPI Composites is publicly traded
IPO'd on Jul 22, 2016
This company is no longer available on our private secondary market. Shares can be traded publicly under TPIC.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
1968
Employees
5,001–10,000
Total Funding
$117.5M
14 rounds
Energy Capital Partners took ownership of TPI Composites as it emerged from Chapter 11 debt-free on July 6, 2026, retaining the Iowa and Juarez blade plants
Section 363 sale priced at $20.0M cash plus assumed liabilities; legacy TPIC common equity cancelled
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Total raised $117.5M across 14 rounds
Last updated 10-02-2026
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| Dec 29, 2014 | Subordinated Convertible Notes | $10.0M | — | Not disclosed |
| Jun 30, 2014 | Super Senior Redeemable Preferred (Second Close) | $4.0M | — | Not disclosed |
| May 9, 2014 | Super Senior Redeemable Preferred | $3.0M | — | Not disclosed |
William E. Siwek
President and Chief Executive Officer; Board of Directors
Ryan Miller
Chief Financial Officer
Chuck Stroo
Chief Operating Officer
Theo Gibson
Chief Information Officer
Steve Fishbach
General Counsel
Nicholas Warchol
Senior Vice President, Technology and Engineering
James Schimanski
Senior Vice President, Global Supply Chain
Alejandra Santillana
Senior Vice President, Human Resources
Competitor list is illustrative and may be incomplete, stale, or erroneous.
LM Wind Power
Denmark-based wind blade manufacturer owned by GE Vernova; one of the largest wind blade producers globally with advanced fiberglass blade technology.
Vestas Wind Systems
Danish wind turbine OEM with vertically integrated in-house blade manufacturing; also a key customer of TPI Composites.
Siemens Gamesa Renewable Energy
Spanish-German wind turbine OEM (subsidiary of Siemens Energy) producing onshore and offshore turbines with in-house blade production.
Nordex SE
German wind turbine manufacturer with internal blade production capacity targeting onshore wind markets.
Aeris Energy
Brazilian independent wind blade manufacturer competing in the Latin American and global outsourced blade market.
Sinoma Wind Power Blade
Chinese state-affiliated wind blade manufacturer and one of the largest blade producers serving Chinese and international OEMs.
Yes, TPI Composites is publicly traded under the ticker symbol TPIC on the NASDAQ. The company went public in Jul 22, 2016.
TPI Composites trades under the ticker symbol TPIC on the NASDAQ. It began trading in Jul 22, 2016.
TPI Composites (TPIC on the NASDAQ) shares can be purchased through any standard brokerage account — including Fidelity, Charles Schwab, TD Ameritrade, and online platforms like Robinhood or E*TRADE. Search for the ticker TPIC to place an order.
TPI Composites went public in Jul 22, 2016 via ipo. TPI Composites went public on the NASDAQ Global Market on July 22, 2016, having priced 6,250,000 shares at $11.00 the previous day for roughly $68.75 million in gross proceeds. After the company filed for Chapter 11 on August 11, 2025, Nasdaq suspended trading on August 19 and filed a Form 25 to delist the stock on September 12, 2025, after which the shares traded on the OTC Pink Market as TPICQ. TPI emerged from Chapter 11 on July 6, 2026 as a debt-free private company owned by Energy Capital Partners, which bought the retained wind blade and field services business in a section 363 sale for $20.0 million in cash plus assumed liabilities. The legacy common equity was cancelled under the plan, so there is no longer a public listing or a quoted security.
TPI Composites raised $117.5M across 14 disclosed funding rounds prior to its public listing.
TPI Composites is headquartered in Scottsdale, Arizona, United States.
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