What Exo-S makes

Exo-S is a designer and manufacturer of plastic functional systems, working primarily in injection molding and extrusion blow molding. The company builds tooling in-house and takes projects from design and engineering through full-scale production, a turnkey model it describes as ideation to commercialization. Its process range covers overmolding, additive manufacturing for prototyping, and downstream automation for assembly, packaging, and labeling.

Automotive is the largest sector. Exo-S positions itself as a Tier 1 and Tier 2 supplier specializing in HVAC and air management, fluid systems for oil and water including reservoirs and tanks, acoustics and vibration (NVH) components, and the visual trim that gives molded parts their finish. The most public example is an engine cover: Exo-S produces the cover for General Motors' new 6.7-liter LS6 Small Block V8, the powertrain for the 2027 Chevrolet Corvette, at its Richmond, Quebec plant.

The medical business runs alongside it. Exo-S offers cleanroom injection molding in ISO-8 hardwall cleanrooms, with in-house material expertise, overmolding, and automated assembly and labeling. Documented medical work includes guides for robot-assisted orthopedic surgery, a cardiac monitoring device, optical and environmental microbial-detection parts, PCR testing tubes, and radial hemostasis compression bands. A third industrial segment serves agriculture, home appliance, mining, recreational, and consumer-goods customers using injection molding, extrusion blow molding, and additive manufacturing.

Ownership and history

Exo-S traces its operating roots to 1968 in Quebec, and the company markets more than 50 years of plastics experience. The current company was formed in 2012, when Desjardins Capital and the management team acquired the Thermoplastic Division of Camoplast Solideal. Desjardins Capital, the investment arm of the Desjardins cooperative movement, has been the majority shareholder since. Emmanuel Duchesne has served as President and CEO since the 2012 formation.

The company grew by acquisition as well as organically. In February 2022, Exo-S bought Plastiques Moore, a precision medical molder in Saint-Damien-de-Buckland with more than 110 employees, three ISO-8 cleanrooms, and a supply relationship with the Public Health Agency of Canada. That deal, financed entirely by Desjardins Capital, added the medical cleanroom capability that anchors the company's device business today. At the time, management said the combination would let the company quadruple its sales since 2012.

Exo-S is headquartered in Sherbrooke, Quebec, and runs five sites across three countries: the head office in Sherbrooke, molding plants in Richmond and Saint-Damien-de-Buckland in Quebec, a US plant in Howe, Indiana, and a Mexican plant in San Juan del Rio, Queretaro. Apollo estimates the workforce at roughly 900 to 1,000 people. The company does not publish audited revenue; a modeled estimate places annual sales in the range of $350 million, which should be read as an order-of-magnitude band rather than a reported figure.

Certifications and quality

Exo-S states that it is IATF 16949 certified for its automotive work, the sector-standard quality system for production part approval and automotive supply. For medical, the company reports ISO 13485:2016 certification and production in ISO-8 hardwall cleanrooms, with rigorous quality control described as standard across design, molding, and assembly. These are the company's own published claims. The cleanroom base came in largely through the 2022 Plastiques Moore acquisition, which brought three ISO-8 rooms dedicated to medical parts.

Known customers

Most of Exo-S's customer programs are unnamed, which is normal for a contract molder serving OEM platforms. One relationship is on the public record.

Through the 2022 Plastiques Moore acquisition, Exo-S also inherited a supply relationship with the Public Health Agency of Canada, and it names Icentia, a cardiac-monitoring company, as a medical collaborator on its own site. Neither is presented here as a named device-OEM program.

Sourcing evidence

Exo-S appears in US customs records as an importer with 75 sea shipments since 2015, most recently on September 8, 2026. The import mix reads like a molder's inputs rather than finished goods: grommets, insulators, rubber seals, and gaskets (its most frequent line, from Ningbo Yinzhou Kuangda Trade in China), blow molding machines and extruder parts (Fong Kee International Machinery in Taiwan), automotive rubber (Power Rubber Industries in India), and polypropylene resin (Basell, part of LyondellBasell, in the Netherlands). Machinery and raw resin arriving by sea alongside component parts is the signature of a manufacturer, not a distributor.

Six shown of the recorded suppliers. By origin, the imports concentrate in Asia, led by China (45 shipments), Taiwan (13), India (7), and Hong Kong (5), with resin from the Netherlands. Cumulative ocean shipping spend is estimated at roughly $160,000 across the record, covering about 74 percent of shipments, an order-of-magnitude figure rather than an audited one.

These are US ocean-freight records only. Air, truck, and rail movements do not appear, and most of Exo-S's flows are North American: it runs plants in Quebec, Indiana, and Queretaro and ships finished parts to customers across the region, activity that a US sea-import view does not capture. The modest import footprint reflects a company that sources and produces largely within North America and buys only specific components, resin, and machinery abroad. Buyers weighing nearshoring and tariff exposure will find its multi-country North American base relevant. Absence of a record is not evidence of absence.

Frequently asked questions

What does Exo-S manufacture?

Exo-S designs and manufactures plastic functional systems using injection molding and extrusion blow molding. Its automotive work covers HVAC and air management, fluid reservoirs and tanks, and NVH acoustic and vibration parts, and it produces the engine cover for GM's 2027 Chevrolet Corvette V8. It also runs a medical cleanroom molding business and an industrial segment serving agriculture, appliance, mining, and consumer goods.

Who owns Exo-S?

Exo-S has been majority-owned by Desjardins Capital, the investment arm of the Desjardins cooperative movement, since 2012. The company was formed that year when Desjardins Capital and the management team acquired Camoplast Solideal's Thermoplastic Division. Emmanuel Duchesne has been President and CEO since the formation.

Where is Exo-S located?

Exo-S is headquartered in Sherbrooke, Quebec. It operates five sites across three countries: the head office in Sherbrooke, molding plants in Richmond and Saint-Damien-de-Buckland in Quebec, a US plant in Howe, Indiana, and a Mexican plant in San Juan del Rio, Queretaro.

What are Exo-S's certifications?

Exo-S states that it holds IATF 16949 certification for automotive quality management and ISO 13485:2016 for medical devices, and it operates ISO-8 hardwall cleanrooms for medical molding. These are the company's published claims.

Who are Exo-S's customers?

Most of Exo-S's programs are unnamed, as is typical for a contract molder. The documented relationship on the public record is General Motors: Exo-S produces the engine cover for the 6.7-liter V8 powering the 2027 Chevrolet Corvette at its Richmond, Quebec plant. It also inherited a Public Health Agency of Canada supply relationship through its 2022 acquisition of Plastiques Moore.

How big is Exo-S?

Exo-S employs an estimated 900 to 1,000 people across five plants in Canada, the United States, and Mexico. The company is private and does not publish audited revenue; a modeled estimate places annual sales near $350 million, which should be read as a band rather than a reported figure.

Last verified September 27, 2026. Is this your company? Request a correction.