Royston Group (IOP Portfolio) Acquires Assets of ProImage Wholesale Signs

LSI Industries Acquires Royston Group for $325 Million

February 25, 2026

Industrial Services

LSI Industries completed the acquisition of Royston Group, a vertically integrated provider of retail identity and equipment solutions, for an aggregate purchase price of $325 million. The deal was funded with a combination of debt and proceeds from a public offering of LSI common stock.

Exeter Image Holdings Acquires Persona Signs

March 7, 2022

Manufacturing

Exeter Image Holdings, the platform backed by Exeter Street Capital Partners, made a majority investment in Persona Signs in a transaction co-sponsored by Harbert Credit Solutions, NewSpring Mezzanine, Northcreek Mezzanine and members of Persona’s leadership team. Persona will join Triangle Sign & Service under the combined Persona‑Triangle operating structure to create a national signage, lighting, and facility services platform; Enterprise Bank and Trust provided senior debt financing for the deal.

Innoplast, Inc. Acquires American Sign Products

September 13, 2021

Manufacturing

Innoplast, Inc., a portfolio company of ScaleCo Management LLC, has acquired American Sign Products (including the American Reflective Products brand) to expand its traffic safety products and distribution capabilities. The acquisition supports ScaleCo's strategy to grow Innoplast organically through strategic add-ons in the traffic safety market.

Royston Group (IOP Portfolio) Acquires Southern CaseArts

July 22, 2020

Manufacturing

Industrial Opportunity Partners announced that its portfolio company SRR Holdings, Inc. (dba Royston Group) has acquired the assets of Southern CaseArts. Southern CaseArts, a designer and manufacturer of refrigerated and custom merchandising cases for grocery and convenience retailers, will join Royston Group to expand its retail fixture and merchandiser capabilities; founder Gene Cary will join Royston as Senior VP of Corporate Development.

Royston Group (SRR Holdings) Acquires Hamilton Laboratory Solutions

February 12, 2020

Manufacturing

SRR Holdings, Inc. dba Royston Group, an existing portfolio company of Industrial Opportunity Partners (IOP), has acquired Hamilton Laboratory Solutions. Hamilton — a 140-year-old designer and manufacturer of laboratory workstations, casework and fume hoods headquartered in Manitowoc, Wisconsin — will operate as a division of Royston Group; terms were not disclosed.

Akoya Capital Partners Acquires Indigo Signworks

October 18, 2016

Manufacturing

Akoya Capital Partners, in partnership with Marquette Capital Partners, Merion Investment Partners and Indigo's management, has acquired Indigo Signworks, a Fargo, North Dakota-based manufacturer of exterior and interior signage. The investor group plans to work with existing management to expand product lines, customer relationships and the company’s geographic footprint.