Excel Engineering

Overview

Deal Type Mergers & Acquisitions
Client & Transactional Partners Excel Testing and Engineering Holdings, LLC
Rock Island Capital
Fusion Capital Partners
Our Role Exclusive Sell-Side Advisor

Summary

On December 22, 2025, KeyBanc Capital Markets (KBCM) successfully advised Excel Testing and Engineering Holdings, LLC (Excel Engineering, or the Company), a portfolio company of Rock Island Capital (Rock Island), on its sale to Fusion Capital Partners (Fusion). 

KBCM was selected to serve as Exclusive Sell-Side Advisor based on its industry-leading Industrial & Business Services practice, deep industry expertise, extensive financial buyer relationships, relevant transaction experience and proven track record of successful M&A execution. 

Founded in 2002, Excel Engineering is a leading North American engineering and equipment testing, inspection, certification and compliance (TICC) services platform, delivering trusted, independent testing solutions across a diverse array of applications, including internal combustion engines, powertrains, generators and battery systems. The Company has earned its reputation as the partner of choice based on its technical expertise and long-tenured relationships with blue-chip OEMs. Excel Engineering is headquartered in Diagonal, Iowa and has three testing facilities across the Midwest. 

Based in Chicago, Illinois, Rock Island is a private equity firm focused on partnering with middle-market companies in the United States to support their growth objectives. Rock Island provides flexible structure capital investments across manufacturing, distribution and service companies with tested business models and experienced management teams. 

Fusion is a Los Angeles, California-based private equity firm focused on investments in engineered products and essential services businesses across the commercial and industrial markets of North America. Fusion seeks to make equity investments in middle-market companies with a robust value creation plan and facing an inflection point in their growth journey.

KeyBanc Capital Markets is a trade name under which the corporate and investment banking products and services of KeyCorp and its subsidiaries, KeyBanc Capital Markets Inc., member FINRA/SIPC (“KBCMI”), and KeyBank National Association (“KeyBank N.A.”), are marketed. Securities products and services are offered by KeyBanc Capital Markets Inc. and by its licensed securities representatives. Banking products and services are offered by KeyBank N.A.

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