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"Deming’s concept of Total Quality Management (TQM) emphasizes the use of quality principles in all aspects of a company’s production and operations. It recognizes that all employees involved with bringing a product or service to customers—marketing, purchasing, accounting, shipping, manufacturing—contribute to its quality. TQM focuses on continuous improvement , a commitment to constantly seek better ways of doing things in order to achieve greater efficiency and improve quality. Company-wide teams work together to prevent problems and systematically improve key processes instead of troubleshooting problems only as they arise. Continuous improvement continually measures performance using statistical techniques and looks for ways to apply new technologies and innovative production methods. Another quality-control method is the Six Sigma quality program. Six Sigma is a company-wide process that focuses on measuring the number of defects that occur and systematically eliminating them in order to get as close to “zero defects” as possible. In fact, Six Sigma quality aims to have every process produce no more than 3.4 defects per million. Six Sigma focuses on designing products that not only have fewer defects but that also satisfy customer needs. A key process of Six Sigma is called DMAIC . This stands for Define, Measure, Analyze, Improve, and Control. Employees at all levels define what needs to be done to ensure quality, then measure and analyze production results using statistics to see if standards are met. They are also charged with finding ways to improve and control quality. General Electric was one of the first companies to institute Six Sigma throughout the organization. GE employees are trained in Six Sigma concepts, and many analysts believe this has given GE a competitive manufacturing advantage. Service firms and government entities have applied Six Sigma to their quality initiatives as well."