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The PPI proprietary Working Relations Index® (WRI®) is a quantification of suppliers' working experiences with a company to whom they are supplying products and/or services.
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PPI’s Supply Base Custom™ Survey had its beginnings in 1990, when Planning Perspectives first began conducting surveys for various automotive manufacturers to help them understand how to improve their supplier working relations.
PPI’s Supply Base Standard™ Survey is based on our Supply Base Custom™ Survey constructs and uses a similar process.
The Annual North American Automotive OEM – Tier 1 Supplier Working Relations Index® Study is a comprehensive Internet-based annual survey that examines the working relations between Tier 1 production suppliers and their North American-based OEM customers from the suppliers’ perspective.
PPI’s advisory services are generally limited to company-supplier working relations and company-supplier interfacing activities, both at the company and supplier.
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PPI relies extensively on the use of large-scale internet-based surveys (i.e., populations, not sampling) for the majority of its data-gathering effort to achieve the objectives of the client engagement.
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Planning Perspectives Inc.
Planning Perspective, Inc. (PPI) is the world’s leading authority on company-supplier working relations. Located in Birmingham, MI,USA, PPI offers its clients an integrated approach to understanding and improving all aspects of their supplier-interfacing activities to help them develop profitable, sustainable marketplace competitive advantages.
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John W. Henke Jr.
President -
B. Vera Ruseckas
Vice-President