Structure Tone Acquires Ajax Building Corporation

Ardian Acquires Majority Stake in Acousti Engineering Company of Florida

September 30, 2020

Construction

Ardian's North America Direct Buyouts team has agreed to acquire a majority stake in Acousti Engineering Company of Florida from the Verner family and retiring members of management, with the ongoing management team retaining a meaningful minority interest. The investment will support a management-led leadership transition and accelerate Acousti's geographic expansion and growth across its specialty interior systems and finishing services.

In-Situ Inc. Acquires Ajax Environmental & Safety Supply

December 15, 2020

Environmental Services

In-Situ Inc., a Fort Collins-based designer and manufacturer of water monitoring instrumentation, has acquired Ajax Environmental & Safety Supply, a Houston-based environmental equipment rental and supply business. The deal adds Ajax’s Texas rental footprint and customer relationships to In-Situ’s rental capabilities, enhancing service and equipment availability in Texas and nationwide.

HB Capital Acquires Structural Building Components LLC

November 1, 2023

Construction

HB Capital has acquired Structural Building Components LLC, a Deerfield Beach, Florida-based specialty contractor that provides structural shells for single- and multi-family homes. The deal facilitates a sale of equity from the current owner(s) toward employee ownership, and SBC will continue to operate under its existing management and brand.

CapStone Holdings Acquires Structurely

January 6, 2026

AI & Machine Learning

CapStone Holdings has acquired Structurely, an AI-powered sales engagement platform that automates early-stage revenue conversations for real estate and mortgage organizations. The acquisition positions Structurely for accelerated product development, deeper partnerships, and scaled operations under CapStone’s ownership while leveraging Structurely’s large conversational dataset and AI capabilities.

The Stonewall Group Acquires Architectural Alliance, Inc.

February 17, 2026

Professional Services

The Stonewall Group, a national architecture platform firm, has acquired Wilmington, Delaware-based Architectural Alliance, Inc., adding the firm to its national architecture platform while allowing Architectural Alliance to continue operating under its existing brand and leadership. The deal establishes a Stonewall foothold in Delaware and expands the platform's capabilities across the Mid-Atlantic in areas including historic restoration, mixed-use, institutional, and residential architecture.

American Construction Source Acquires Tanco Lumber

June 22, 2021

Building Products

American Construction Source (ACS), a PE-backed national building materials distribution platform, has acquired Tanco Lumber, which operates locations in Branson West and Forsyth, Missouri. The acquisition — the tenth by ACS under the sponsorship of Angeles Equity Partners and Clearlake Capital Group — will expand ACS's LBM distribution capacity in the Branson Tri-Lakes area; Tanco will continue to operate under its local brand and financial terms were not disclosed.