SOLV Energy Acquires SDI Services

Solbridge Capital Acquires Del Sol Inc

June 25, 2026

Industrial Services

Solbridge Capital, an Austin-based holding company, acquired Del Sol Inc., a facilities services provider headquartered in Washington. The acquisition is being highlighted on its one-year anniversary, with Solbridge describing it as the foundation for a regional facilities services platform supported by corporate leadership and operational systems.

SOLV Energy Acquires Roberson Waite Electric

May 4, 2026

Renewable Energy

SOLV Energy, a utility-scale solar and storage developer, finalized the acquisition of Roberson Waite Electric, a California electrical contractor specializing in high-voltage substation construction and utility infrastructure. The deal is intended to internalize critical grid interconnection capabilities to improve control over costs and timelines and better serve growing demand from utility-scale projects, including AI-driven data center power needs.

SOLV Energy Enters Agreement to Acquire Roberson Waite Electric

May 4, 2026

Energy

SOLV Energy has entered into an agreement to acquire Roberson Waite Electric (RWE), a California provider of utility substation construction, testing, commissioning, and related infrastructure services. The acquisition is intended to broaden SOLV’s capabilities and expand its presence in the regulated utility market, with RWE expected to operate as a SOLV company and retain its leadership and customer relationships. The deal is expected to close by Q3 2026.

Architect Equity Acquires SDI, Inc.

March 19, 2026

Professional Services

Architect Equity has acquired SDI, Inc., a provider of outsourced procurement, supply chain management, and group purchasing (GPO) services. SDI supports facility maintenance organizations with technology-enabled sourcing and purchasing solutions tailored to MRO and other indirect spend categories.

SOLV Energy Acquires Spartan Infrastructure

June 23, 2025

Energy

SOLV Energy has acquired Spartan Infrastructure, a Mesa, Arizona-based high-voltage transmission contractor. The acquisition expands SOLV Energy's transmission and distribution (T&D) capabilities, providing the combined company greater scale to pursue larger utility and renewable grid projects across the U.S.; financial terms were not disclosed.

Sigora Solar Acquires Environmental Solar Design (ESDI)

July 14, 2021

Energy

Sigora Solar acquired Environmental Solar Design, Inc. (ESDI), a North Hollywood-based solar pool and thermal provider, to expand its footprint in California and broaden its clean energy service offerings into solar heating and pool heating. ESDI will operate under its brand for the near term before transitioning to the Sigora umbrella.