Main Street Invests $31.1M in SI East to Support SI East's Acquisition of Chicago Steel Container

Main Street Capital Completes $61.5 Million Minority Recapitalization of Structural Steel Fabricator

March 10, 2026

Industrial Services

Main Street Capital Corporation completed a $61.5 million investment to facilitate the minority recapitalization of a specialized structural steel fabricator located in the greater Houston metropolitan area. The financing includes first lien and senior secured term debt, a direct minority equity investment, and a revolving line of credit to support growth initiatives and working capital needs.

Main Street Capital Recapitalizes Two Northeastern Commercial Concrete Contractors

January 7, 2026

Construction

Main Street Capital Corporation completed a $35.0 million portfolio investment to facilitate minority recapitalizations of two commercial concrete contracting companies under a single holding company. The financing, which includes first-lien senior secured term debt and a direct minority equity investment, partners with the companies' existing owners and management to provide liquidity and support ongoing operations serving large commercial projects such as warehouses, distribution centers, data centers and cold storage facilities.

Main Street Capital Provides $32.8M to Support Federal Supply-Chain Provider’s Acquisition of Equipment Rental Supplier

May 30, 2024

Logistics & Distribution

Main Street Capital Corporation provided $32.8 million of first-lien, senior secured term debt (with equity warrant participation) to a leading provider of supply chain management services for U.S. federal government agencies to support that company's acquisition of a provider of equipment sales and rental solutions to U.S. federal agencies. The financing is a growth-oriented investment to fund the target acquisition as part of the Company's ongoing expansion strategy; the co-investor and the acquired company are not named in the announcement.

Main Street Invests $12.2M in Iron-Main to Support Background-Screening Add-On

February 14, 2023

Staffing & HR

Main Street Capital Corporation completed a $12.2 million follow-on investment (comprised of $11.2M first-lien term debt and $1.0M equity) in portfolio company Iron-Main Investments, LLC to support Iron-Main’s acquisition of an undisclosed company that provides pre-employment background checks and related services. The acquisition is intended to expand and diversify Iron-Main’s customer base, market presence and service offerings—particularly across industrial and healthcare end markets.

Main Street Capital Invests $34.3M in Elgin Industries

October 25, 2022

Manufacturing

Main Street Capital Corporation completed a $34.3 million financing package (first lien senior secured term debt and a direct equity investment) to recapitalize Elgin Industries, a U.S. manufacturer of engine and chassis components headquartered in Elgin, Illinois. The investment provides Elgin with growth capital and a revolving credit facility to support its long-term growth strategy, working capital needs and capability expansion.

Main Street Capital Provides $26M Minority Recapitalization of Superior Rigging & Erecting Co.

September 2, 2020

Construction

Main Street Capital Corporation completed a $26.0 million investment to facilitate a minority recapitalization of Superior Rigging & Erecting Co., funded via a combination of first-lien senior secured term debt and a direct equity investment. Superior, headquartered in Atlanta, Georgia, provides rigging, steel erection and crane & equipment rental services across the southeastern United States; Main Street also provided access to additional term debt to support future growth.