Many factors influence typical leadtimes from your suppliers, including their location, quality, inventory levels and the sophistication of the product they make. As the accompanying data indicate, typical leadtimes from suppliers to IndustryWeek's Best Plants winners and finalists average nearly 41 days, with a median of 21 days. And although there is no straight-line trend, the leadtimes appear to be growing longer. A sign of lengthening supply chains, perhaps?
| Typical leadtime on all class-A (high-cost) purchased materials (days): | ||||
| Year | Median | Average | Minimum | Maximum |
| 2008 | 9.3 | 26.7 | 1.0 | 112.0 |
| 2009 | 10.0 | 29.4 | 1.0 | 100.0 |
| 2010 | 29.0 | 44.1 | 1.0 | 150.0 |
| 2011 | 25.5 | 59.5 | 1.5 | 300.0 |
| 2012 | 30.0 | 47.4 | 1.0 | 180.0 |
| 2008-2012 | 21.0 | 40.5 | 1.0 | 300.0 |
Source: 2012 IW Best Plants Statistical Profile
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