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Related Parties
 3 Months Ended
Mar. 29, 2026
Related Party Transactions [Abstract]  
Related Parties Related Parties
Southwest Gas Holdings

Overview

Southwest Gas Holdings was formerly the Company’s parent and held a controlling interest in the Company until August 11, 2025, when its ownership decreased to 31%. On September 5, 2025, Southwest Gas Holdings sold all of its remaining ownership interest in the Company. The Company still considers Southwest Gas Holdings to be a related party as Southwest Gas Holdings’ chief executive officer and director is a member of the Company’s Board of Directors.

Related party transactions

The Company performs various construction services for Southwest Gas Corporation, a wholly owned subsidiary of Southwest Gas Holdings. The following table represents the Company’s revenue in dollars and as a percentage of total revenue as well as gross profit in dollars and as a percentage of total gross profit relating to contracts with Southwest Gas Corporation (in thousands):

Fiscal Three Months Ended
March 29, 2026March 30, 2025
Revenue$23,238 3 %$21,109 4 %
Gross Profit$1,073 3 %$733 4 %

As of March 29, 2026 and December 28, 2025, approximately $9.0 million (3%) and $11.9 million (4%), respectively, of the Company’s accounts receivable, and $2.2 million and $0.7 million, respectively, of contract assets, were related to contracts with Southwest Gas Corporation. There were no significant related party contract liabilities as of March 29, 2026 or December 28, 2025 with Southwest Gas Corporation.

Agreements related to the Separation from Southwest Gas Holdings

In connection with the Company’s IPO and separation from Southwest Gas Holdings, Holdings previously entered into a Separation Agreement, Tax Matters Agreement, and Registration Rights Agreement with Southwest Gas Holdings. Following Southwest Gas Holdings’ disposition of its remaining ownership interest in Centuri on September 5, 2025, many provisions of these agreements, including Southwest Gas Holdings’ governance rights and registration rights, have terminated or are no longer applicable.

The remaining provisions primarily relate to customary indemnification and cooperation obligations. As of the date of this report, there are no known claims, proceedings, or contingencies that would require indemnification by or to the
Company under these agreements, and the ongoing obligations are not expected to have a material impact on the Company’s financial condition, results of operations, or cash flows.

On February 24, 2025, the Company entered into an Unutilized Tax Assets Settlement Agreement (the “Tax Assets Agreement”) with Southwest Gas Holdings, which governs the treatment of certain unutilized tax assets (the “Tax Assets”) retained by the Company following its deconsolidation from Southwest Gas Holdings for purposes of U.S. federal and relevant state income tax laws. Under the terms of the Tax Assets Agreement, such Tax Assets were initially treated as deemed capital contributions and recorded within additional paid‑in capital. After Southwest Gas Holdings’ ownership of the Company decreased below 50%, subsequent adjustments to Tax Assets were reflected as an adjustment to income tax benefit in the Company’s condensed consolidated statements of operations.
Tax Assets allocated to the Company remain subject to true‑up until after Southwest Gas Holdings files its U.S. federal and applicable state income tax returns for tax year 2025. Any future changes resulting from the true‑up process will be reflected in the Company’s condensed consolidated statements of operations. There were no changes during the first fiscal quarter of 2026.
Riggs Distler noncontrolling interest
In November 2021, certain members of management of Riggs Distler, a subsidiary of the Company, acquired a 1.42% interest in the parent company of Riggs Distler, Drum Parent LLC (“Drum”). The remaining noncontrolling interest in Drum outstanding as of March 29, 2026 was 0.80%.