Main Street Capital and MSC Income Fund Provide Follow-On Financing for Trantech’s Acquisition of Transformer Maintenance and Service (TMS)
April 1, 2026
Main Street Capital Corporation and co-investor MSC Income Fund completed a $26.0 million follow-on investment in their portfolio company, Trantech Radiator Topco, LLC, to support Trantech’s strategic acquisition of Transformer Maintenance and Service, Inc. (TMS). The financing includes $24.7 million of first-lien senior secured term debt and $1.4 million of direct equity, with TMS owners receiving a portion of the acquisition purchase price as equity in Trantech.
- Buyers
- Main Street Capital Corporation, MSC Income Fund, Inc., Trantech Radiator Topco, LLC
- Targets
- Transformer Maintenance and Service, Inc. (TMS)
- Sellers
- Owners of TMS (Transformer Maintenance and Service, Inc.)
- Platforms
- Trantech Radiator Topco, LLC
- Industry
- Industrial Services
- Location
- South Carolina, United States
- Transaction Type
- Addon
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