CSL Consulting Expands with Brownstone Acquisition
Deal News | Jul 14, 2025 | NMS Capital
NMS Capital's portfolio company, CSL Consulting, has announced its expansion into the Southeastern U.S. through the acquisition of Brownstone Construction Group. Based in Columbia, SC, Brownstone specializes in managing complex capital improvement projects across sectors like education, healthcare, and municipal markets. This acquisition aligns with CSL's strategy to grow its presence in the public K12 market and expand educational and municipal projects in the southeastern region. CSL principals Marc Cammarota and Ed LeFlore, along with Brownstone co-founders Dale Collier and Darrell Campbell, expressed their enthusiasm about the partnership and the shared commitment to quality and long-term client relationships. Legal and financial advisors involved in the transaction included Greenberg Traurig, Hillandale Advisors, and Adams & Reese.
Sectors
- Construction and Project Management
- Private Equity
Geography
- United States – The companies involved in the article, CSL Consulting and Brownstone Construction Group, are expanding their operations in the Southeastern U.S.
- Southeastern U.S. – The focus of the expansion and acquisition is specifically targeting the Southeastern United States, affecting markets in states like North Carolina, South Carolina, and Georgia.
Industry
- Construction and Project Management – The article discusses the acquisition of a project management firm that specializes in capital improvements for public and private sectors.
- Private Equity – NMS Capital, a private equity firm, is involved in the acquisition, highlighting the role of private equity in expanding and developing portfolio companies.
Financials
- Not Disclosed – The terms of the transaction between CSL Consulting and Brownstone Construction Group were not disclosed.
Participants
| Name | Role | Type | Description |
|---|---|---|---|
| CSL Consulting LLC | Acquirer | Company | A project management firm providing services to various sectors, including education and healthcare, primarily in the Eastern U.S. |
| Brownstone Construction Group LLC | Target | Company | An owners representation and project management firm based in Columbia, SC, specializing in complex capital projects across the Southeastern U.S. |
| NMS Capital | Investor | Company | A private equity firm managing over $1.5 billion in assets, involved in developing growth-oriented companies. |
| Greenberg Traurig | Legal Advisor | Company | Provided legal advice to CSL Consulting. |
| Hillandale Advisors | Financial Advisor | Company | Served as financial advisor to Brownstone Construction Group. |
| Adams & Reese | Legal Advisor | Company | Provided legal advice to Brownstone Construction Group. |
| Dale Collier | Co-Founder | Person | Co-Founder of Brownstone Construction Group. |
| Darrell Campbell | Co-Founder | Person | Co-Founder of Brownstone Construction Group. |
| Marc Cammarota | Co-Founder and Principal | Person | Co-Founder and Principal of CSL Consulting. |
| Ed LeFlore | Co-Founder and Principal | Person | Co-Founder and Principal of CSL Consulting. |