William Blair acted as the exclusive financial advisor to W.O. Grubb Crane Rental (Grubb) in connection with its acquisition by Halo Partners (Halo). The transaction signed and closed in January 2026.
About the Companies
Grubb is a leading regional provider of specialty equipment, lifting, rigging, warehousing, logistics, and value-added engineering solutions. Its experienced personnel stand ready with an extensive, diverse offering to serve the needs of infrastructure, data center, industrial, and other customers. Offering both essential and emergency services around the clock, safety, efficiency, and customer satisfaction are its highest priorities. Grubb has provided its services for on-time and successful projects for over six decades. It is the expertise of our employees, coupled with an array of specialized equipment, that helps us provide the best in safety, service, and solutions. Founded on values of integrity and reliability, Grubb serves customers throughout the Mid-Atlantic and beyond with industry-leading equipment, experienced employees, and comprehensive lift planning and rigging services. Founded in 1962, Grubb employs approximately 450 professionals and is based in Richmond, VA.
Halo is a private investment firm focused on partnering with founders and management teams to build durable, resilient businesses in the industrial, technology and related services sectors. The firm brings long-term capital, operational support, and strategic resources to help companies scale responsibly while preserving their core culture and customer focus. For more information, please visit www.halopartners.com.
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