Thermon Group Holdings, Inc. (THR)

Thermon Group Holdings, Inc. designed and manufactured industrial process heating solutions, with headquarters in Austin, Texas. The operating business traces its origins to 1954, and its products were used to keep pipes, tanks and process equipment at required temperatures. Customers included companies in oil and gas, chemicals, power generation, transportation, food and beverage, pharmaceuticals and semiconductor manufacturing.

Its offerings included electric heat tracing cables and systems, heaters, boilers, steam tracing products, gas heating products such as catalytic heaters, and control panels and related accessories. Thermon also provided engineering and project services such as design studies, energy audits, procurement, installation and maintenance support. Sales were made through a network of direct sales staff, service technicians and distributors in North America and in other regions.

Thermon was acquired by CHS Capital in 2010, and the company completed an initial public offering on the New York Stock Exchange in 2011 under the symbol THR. It continued to expand through acquisitions of smaller heating and power businesses, including the 2022 purchase of Powerblanket, a maker of heated blankets and covers used for temperature management. In its later years, the company emphasized growth in electrification, power generation and power generation, electrification and other non-oil markets.

On the acquirer's side, CECO Environmental Corp. is a Nasdaq-listed provider of air quality, fluid handling and industrial process solutions. A combination with Thermon was framed as a way to broaden CECO's industrial technology portfolio. The companies entered into a merger agreement in which Thermon shareholders would receive a mix of cash and CECO shares, and the transaction was subject to Thermon shareholder approval and customary regulatory conditions.

Under the merger terms, each holder could elect to receive a mixed consideration of 0.6840 CECO shares plus $10.00 in cash per Thermon share, all cash of $63.89 per share, or all stock of 0.8110 CECO shares per share, subject to proration. Shares for which no election was made were treated as the mixed consideration. In total, CECO issued about 22.53 million shares and paid about $329.4 million in cash, against roughly 32.94 million Thermon shares outstanding.

The merger was completed on June 1, 2026, and Thermon became an indirect wholly owned subsidiary of CECO. Thermon notified the NYSE of the transaction, trading in THR was suspended before the open that day, and Thermon asked the exchange to file a Form 25 to delist and deregister its common stock. The company also planned to file a Form 15 to suspend its SEC reporting obligations. Former Thermon shareholders who elected the stock or mixed consideration became holders of CECO shares, which continue to trade on Nasdaq.