Dennis County’s manufacturing sector consists of numerous firms supporting the petroleum and agriculture industries including;
- Plastics Fabrication,
- Welding,
- Machine repair,
- drill manufacturing,
- Agricultural products,
- Pumpjack technology,
- Prefabricated housing
- Chemical input manufacturing.
Major surrounding area manufacturing firms include:
- Hylife Foods (Agricultural products),
- Morris Industries (machinery and equipment),
- Spring Hill Colony Farms (Agricultural products),
- Schweitzer-Mauduit Canada (paper product),
- Prairie Forest Products (wood product),
- Husky Oil (chemical),
- Western Archrib (wood product),
- Norbert’s Manufacturing (trailers)
Major manufacturing firms in Brandon include:
- Maple Leaf Foods (food),
- Behlen Industries (metal products),
- Koch Fertilizer Canada (agricultural chemical),
- Saputo Dairy Products (Agricultural products),
- Cancade Company (machinery and equipment),
- Atom Jet Group (metal products),
- Chemtrade Logistics (chemical),
- Pfizer (pharmaceuticals).
Manitoba has a diverse manufacturing sector with specialities in production of food, agricultural machinery, furniture, heavy vehicle and transportation equipment, and more. The value-added food and beverage processing industry is the largest manufacturing sector in Manitoba representing 20.6% of Manitoba total manufacturing revenue ($5.2 billion in 2016).
Manitoba manufacturers of tractors, harvesting equipment, and grain handing technology are prominent and major contributors to Canada’s rapid growth in agribusiness manufacturing and technology exports to the emerging Central Asia market, particularly Russia, Kazakhstan and Ukraine. The province is home to Buhler Industries, which produces tractors for the North American and global markets.
Manitoba is home to one of the largest Canadian kitchen cabinet manufacturer, Kitchen Craft Cabinetry, and the two largest Canadian window and door manufacturers, Loewen Windows and Willmar Windows. Winnipeg-based Palliser Furniture is Canada's largest furniture manufacturer.
Manitoba is home to two large bus manufacturers (Motor Coach Industries Ltd. and New Flyer Industries Ltd.) which produce buses for the North American market.
Dennis County & Area, Major Employers in Manufacturing
| Company | Location | Number of Employees | Activities |
| Behlen Industries | Brandon | 250 | Metal Products Manufacturing |
| Koch Fertilizer Canada | Brandon | 220 | Agricultral Chemical Manufacturing |
| Forsyth Plastics | Sinclair | 25 | Cement And Concrete Manufacturing |
| Arcrite Welding | Cromer | 25 | Machinery and Equipment Manufacturing |
| Superior Plus LP | Virden | 21 | Chemical Manufacturing |
| Chemtrade Electrochem Inc. | Brandon | 20 | Chemical Manufacturing |
| Midwest RediMix Concrete | Virden | - | Construction Supplies |
| IJACK Technologies | Moosomin | - | Oil and Gas Technologies |
| VanCo Homes | Reston | 20 | Manufacturing Housing |
| Cromer Valley Construction | Cromer | Construction Supplies and Services | |
| ERCO Worldwide | Hargrave | - | Chemical Input and Manufacturing |