Electrical
An extensive range of robust fittings and weatherproof products.
An extensive range of robust fittings and weatherproof products.
Connectivity solutions such as high brackets, busbars, and connector pins.
Connectors & structural components for cutouts, transformers, & substations.
Complex sensor housings & fracture-critical products.
Robust castings and assemblies for everyday appliances.
Finished components for commercial & residential hardware applications.
Precision metal stamped sensors, connectors and cast housings & covers.
Durable, precision products for high-pressure applications.
Handles, leveling pins, flow valves & button housings.
Custom housings to fully assembled commercial & industrial light fixtures.
Durable corrosion-resistant engineered castings and subassemblies.
Medical-grade parts for implants, housings, manifolds, and pumps.
Custom housings and covers for flow control, pressure valves & meters.
Durable yet lightweight custom metal housings.
Innovative precision metal stamped parts.
High-pressure liquid metal is pressed into a precision metal mold cavity, and then cooled & solidified under pressure.
Ideal for a wide range of applications, including automotive, agricultural, electronics, and medical.
Castings with complex shapes & inner cavities that are produced in a sand mold
Ideal for parts with complex shapes and inner cavities
A mold is filled with liquid metal using gravity and cooled and solidified in the mold to obtain a casting
Ideal for parts with complex shapes made with steel, aluminum or magnesium alloys
A process used to obtain a mold without a parting surface; creates parts with high dimensional & geometric accuracy
Ideal for near-net shaped parts with complex shapes and high precision requirements
Custom Tooling, Machining, Surface Finishing, Special Purpose Machine Design & Development
More than 80 presses convert metal sheets into custom parts
Ideal for parts for electronic connectors and microprocessor chips
A specialized CNC machine capable of producing extremely small, precise parts
Ideal for complex miniature screws, contact pins & micro-fasteners
Rapid Prototypes, Heat Treating, Automated Assembly
Learn more about our company milestones.
Learn more about our global manufacturing facilities.
See our company announcements and press releases.
Let us know how we can help create a solution for you
Download catalogs and key product guides.
Download our Code of Conduct and report violations.
Purposeful innovation – the continual improvement and innovation of custom-designed and precision-made products and solutions.
Sigma offers solutions for complex product characteristics and technical requirements.
U.S.-based supply chain management teams support our customers.
Sigma is a vertically integrated single-source solution provider.
Our commitment to excellence drives us to build a better, more sustainable future in all aspects of our operations.
Safety is more than just a priority at Sigma Engineered Solutions – it’s a core value.
Sigma Engineered Solutions, a global solutions provider of highly engineered, complex metal components, including machined components and precision metal stampings, earned a second AS9100D certification on February 4, 2023, from TUV SUD, America, this one internationally at its Pune A5 Plant in India.
Obtaining and maintaining an AS9100D certification allows Sigma Engineered Solutions to manufacture, develop, and provide aviation, space, and defense products and services, including parts, components, and assemblies domestically or internationally. Sigma Engineered Solutions plant in Markesan, WI, USA, has continually received the AS9100D certification since 2017.
“We have supported the aviation, space, and defense sector since our first AS9100D certification in 2017 and have seen tremendous growth and expect this market and product line to continue to expand,” said Vagner Finelli, President & CEO of Sigma Engineered Solutions. “This certification will aid in the speed of delivery of products to current customers around the world and open the door to new companies looking for best-in-class products from Sigma.”
In addition to being AS9100D certified, Sigma Engineered Solutions is certified to ISO 9001 for quality management systems, ISO 14001 for environmental management systems, and ISO 45001 standards for occupational health and safety.