Quality & Lean Manufacturing
 Stewart EFI is dedicated not only to satisfying customer requirements but exceeding them. By working smarter, striving for continuous improvement and remaining disciplined in our approach in all we do we strive to achieve this goal.
To ensure total product quality and reduce variation, the overriding company objective is to make each product right from the start. To meet this goal, we utilize complete advanced quality planning techniques, extensive SPC in-die sensing techniques and robust designs of both tooling and processes. We also develop our own unique variable gauges to support the company's SPC program. By practicing on-going lean manufacturing, 5S and quantitative cross-functional goal setting/results measurement programs and by working closely with quality-driven vendors, we ensure that our quality, cost, delivery and service levels continue to improve. Examples of our commitment to quality include requiring the appropriate statistical data on vendor materials to verify product performance, and auditing and identifying incoming materials using total in-house metallurgical analysis capabilities. For safety critical component supply we also 100% inspect multiple characteristics utilizing mechanical, vision, electrical and Eddy Current Systems.
Our commitment to quality, a zero-defect goal, continuous improvement and SPC programs have paid off handsomely for both Stewart EFI and our customers. By increasing customer product reliability and cutting total manufacturing costs, we've earned customer recognition and numerous testimonial awards as well as an enviable reputation in the marketplace.
 All of our facilities are ISO / TS 16949: 2002 Registered.
Lean Manufacturing
To provide the market with world-class cost, quality and delivery, Stewart EFI challenges our employees to improve our business processes and system.
Under the guidance of our Plant Managers, Six Sigma Black Belt and our Corporate Continuous Improvement Manager, self directed teams work on removing waste and enhancing performance. These teams receive training in the latest Six Sigma / Lean Manufacturing tools such as 5S, Value Stream and Process Mapping, Cause & Effect Analysis, DOE Techniques and Pareto Analysis to define “True Root Cause” and identify key areas of improvement in our processes.
Green Belt teams work on a variety of programs such as Setup Reduction Time, Lean Process & Material Flow for plant layout, Strategic Inventory Management, Department Consolidation / Cell Manufacturing and Material Waste Reduction. The program dates back to 1990’s at Stewart EFI and has continually grown to meet our customer’s needs and expectations of today.
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Thomaston, Connecticut |
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Yonkers, New York |
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El Paso, Texas |
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