- Sinclair & Rush is a global leader in plastic and rubber product manufacturing solutions and products, including dip and injection molding, thermoforming and extrusion
- Protoco Enterprises is a manufacturer of dip and injection molded and vacuum formed storage and organization products
- Hart Marx Advisors, a premier boutique Mergers and Acquisition advisory service, facilitated the transaction
San Rafael, Calif. – August 21, 2025 – Protoco Enterprises, LLC (Protoco) has recently been acquired by Arnold, Missouri-based Sinclair & Rush, Inc (Sinclair & Rush). Protoco manufactures unique storage and organizational products and specializes in providing dip molding services.
Founded in 1977 in North Plaines, Oregon, Protoco is a family-owned business that has grown from a small, niche dip molding business to a diverse provider of protective covers, plastic injection molded products, fluidized powder coated products, coatings and custom packaging to Fortune 500 companies.
“We are excited to provide our customers with increased capabilities and new product solutions through this partnership with Sinclair & Rush, enhancing service levels for all Protoco customers,” said Mark Newman, who will transition from president to national sales representative for Protoco.
With Sinclair & Rush’s industry-leading expertise, Protoco will increase customer support through expanded resources, enhanced logistics and world-class service while preserving the legacy and products that have established Protoco as a trusted industry provider.
“It is a logical and natural fit to add Protoco as a division of Sinclair & Rush. Mark Newman and his team have created valuable relationships with industry-leading companies, which we are excited to continue and expand,” according to Troy Wesley, president and CEO of Sinclair & Rush.
Founded in 1950, Sinclair & Rush has grown into a multi-process plastics manufacturer with operations on four continents, serving over 20,000 customers. Sinclair & Rush provides its customers with diverse processes including dip molding, thermoforming and extrusion, positioning itself as a premier supplier to major manufacturers.
The purchase of Protoco by Sinclair & Rush was facilitated by Hart Marx Advisors, the premier boutique consulting firm that assists buyers and sellers exclusively within the automotive, heavy-duty and industrial markets with mergers and acquisitions (M&A), divestitures and strategic planning. The financial terms of the purchase were not disclosed.
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About Hart Marx Advisors
Hart Marx Advisors is the premier boutique consulting firm that assists buyers and sellers exclusively within the automotive, heavy-duty and industrial markets with mergers and acquisitions (M&A), divestitures and strategic planning. Hart Marx Advisors provides buyers and/or sellers with a full range of services, including M&A strategy, planning, investigation, buyer/seller identification, negotiations, due diligence support and integration. With locations in San Rafael, CA; Eagle, ID; Norfolk, VA, Troy, MI; Dallas, TX; and London, UK, Hart Marx Advisors specializes in lower to middle market business transactions. For more information on Hart Marx Advisors, visit www.hartmarxadvisors.com.