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Acquisitions | 12 Months Ended
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Dec. 31, 2025
Business Combinations [Abstract] |
Acquisitions | 5. Acquisitions On October 1, 2025, we acquired all of the issued and outstanding membership interests of Feyen-Zylstra Holdings, LLC (“Feyen Zylstra”), headquartered in Michigan, for a total preliminary purchase price of $109.8 million, which included $99.0 million of cash paid on the closing date, $4.3 million in notes payable to the former owners, an earn-out that will be paid if certain financial targets are met after the acquisition date and a working capital adjustment. Feyen Zylstra operates in the Midwest and Southern United States and provides electrical design, installation, and maintenance services primarily to the industrial, technology and healthcare sectors. As a result of the acquisition, Feyen Zylstra is a wholly owned subsidiary of the Company reported in our electrical segment. The goodwill recognized as a result of the Feyen Zylstra acquisition is deductible for tax purposes. On October 1, 2025, we acquired all of the issued and outstanding shares of capital stock of Meisner Electric, Inc. (“Meisner”), headquartered in Florida, for a total preliminary purchase price of $74.9 million, which included $64.5 million of cash paid on the closing date, $5.0 million in notes payable to the former owners and a working capital adjustment. Meisner operates in Florida and provides greenfield construction services and electrical design, installation, and renovation services primarily to the healthcare, commercial and government sectors. As a result of the acquisition, Meisner is a wholly owned subsidiary of the Company reported in our electrical segment. The goodwill recognized as a result of the Meisner acquisition is not deductible for tax purposes. ​ On May 31, 2025, we acquired all of the issued and outstanding shares of capital stock of a mechanical service provider in New York for a total preliminary purchase price of $2.8 million, which is reported in our mechanical segment. The goodwill recognized as a result of this acquisition is deductible for tax purposes. ​ On May 1, 2025, we acquired all of the issued and outstanding membership interests of Right Way Plumbing & Mechanical LLC (“Right Way”), headquartered in Florida, for a total preliminary purchase price of $64.9 million, which included $49.5 million of cash paid on the closing date, $5.0 million in notes payable to the former owners, an earn-out that will be paid if certain financial targets are met after the acquisition date and a working capital adjustment. Right Way operates in Florida and provides plumbing installation and maintenance services. As a result of the acquisition, Right Way is a wholly owned subsidiary of the Company reported in our mechanical segment. The goodwill recognized as a result of the Right Way acquisition is deductible for tax purposes. ​ On January 1, 2025, we acquired all of the issued and outstanding membership interests of Century Contractors, LLC (“Century”), headquartered in North Carolina, for a total purchase price of $84.2 million, which included $73.1 million of cash paid on the closing date, $5.5 million in notes payable to the former owners, an earn-out that will be paid if certain financial targets are met after the acquisition date and a working capital adjustment. Century operates in the Southeastern United States and specializes in self-performing mechanical installation, pipe fabrication and installation, steel erection, equipment setting and concrete installations. As a result of the acquisition, Century is a wholly owned subsidiary of the Company reported in our mechanical segment. The goodwill recognized as a result of the Century acquisition is deductible for tax purposes. ​ On May 1, 2024, we acquired all of the issued and outstanding membership interests of a plumbing service provider in North Carolina for a total purchase price of $39.9 million, which is reported in our mechanical segment. The goodwill recognized as a result of this acquisition is deductible for tax purposes. On February 1, 2024, we acquired all of the issued and outstanding membership interests of Summit Industrial Construction, LLC (“Summit”), headquartered in Texas, for a total purchase price of $359.8 million, which included $267.5 million of cash paid on the closing date, $35.0 million in notes payable to the former owners, an earn-out that will be paid if certain financial targets are met after the acquisition date and a working capital adjustment. Summit is a specialty industrial contractor offering engineering, design-assist and turnkey, direct hire construction services of systems serving the advanced technology, power, and industrial sectors. As a result of the acquisition, Summit is a wholly owned subsidiary of the Company reported in our mechanical segment. The goodwill recognized as a result of the Summit acquisition is deductible for tax purposes. ​ On February 1, 2024, we acquired all of the issued and outstanding shares of capital stock of J & S Mechanical Contractors, Inc. (“J&S”), headquartered in Utah, for a total purchase price of $120.6 million, which included $100.0 million of cash paid on the closing date, $10.0 million in notes payable to the former owners, an earn-out that will be paid if certain financial targets are met after the acquisition date and a working capital adjustment. J&S provides mechanical construction services to commercial and industrial sectors, specializing in data center HVAC systems and hospital medical gas systems. As a result of the acquisition, J&S is a wholly owned subsidiary of the Company reported in our mechanical segment. The goodwill recognized as a result of the J&S acquisition is deductible for tax purposes. ​ The results of operations of acquisitions are included in our consolidated financial statements from their respective acquisition dates. Our Consolidated Balance Sheet includes preliminary allocations of the purchase price to the assets acquired and liabilities assumed for the applicable acquisitions pending the completion of the final valuation of intangible assets and accrued liabilities. The acquisitions completed in the current and prior year were not material, individually or in the aggregate. Additional contingent purchase price (“earn-out”) has been or will be paid if certain acquisitions achieve predetermined profitability targets. Such earn-outs, when they are not subject to the continued employment of the sellers, are estimated as of the purchase date and included as part of the consideration paid for the acquisition. If we have an earn-out under which continued employment is a condition to receipt of payment, then the earn-out is recorded as compensation expense over the period earned.

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