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First Thoughts
  By Dan Gilmore - Editor-in-Chief  
     
   
  March 1, 2013  
     
 

Understanding the Gartner Top 25 Supply Chain Rankings

 
 

What are the best supply chains in the world?

The reality is there is really almost no way to determine that, absent an incredibly detailed study of leading candidates that would even then lead to potentially dubious results and certainly be obsolete by the time the research was finished.
Or, we could look at the Gartner top 25 supply chain list.

As we publish this column here on the first day of March, we are just a few months away from the release in June of the list (lists, actually, as I will explain in a moment) for 2013.

Gilmore Says:

Is the process perfect? Certainly not. The unstated assumption is, for example, that stellar financial results equals supply chain excellence.


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In the months after the 2012 list was released, I received calls from three separate companies asking me how they could crack the top 25, with all three feeling aggrieved they hadn't made it: a major retailer, a large consumer packaged goods company, and an industrial sort of company.

Being left off the list, it seemed, was both a matter of pride and practicality - top recruits often favor the recognized companies, they told me.


In the case of the retailer, from what I know, I thought it had an excellent case. Less sure on the other two, though no doubt they run fine supply chains.


The former AMR Research brilliantly came up with the top 25 idea in 2004. Gartner then acquired AMR in 2010. Over the last few years, the concept has been extended, so that we now have a "Next 25," a top 25 healthcare supply chains, top 25 industrial supply chains, and maybe some others I have missed.


So, let's start with the basics: how is the top 25 determined?

Gartner starts with the Fortune 500 list of top US companies by revenue and the Forbes global 2000 list that basically does the same thing on a worldwide basis. It then eliminates a lot of those companies because they do not much operate what most of us would think of as a real physical supply chain - companies in banking, insurance, software, and many more.

As an example, both IBM and Microsoft were dumped from the list in 2012 because their services related revenue rose to too high of the total versus physical product-based sales.

From that culled list, Gartner analyzes publicly available financial data, specifically looking at three metrics:

Return on assets (ROA): Net income / total assets
Inventory turns: Cost of goods sold / inventory levels
Revenue growth: Change in revenue from prior year

ROA and revenue growth use a three-year weighted average, meaning the most recent year gets the most weight and the two prior years somewhat less. Inventory turns, smartly, uses the prior year's quarterly average (reducing impact of end of year games). These three metrics together are given 50% of the total score weight.

So, at this point, you must be a decently large and public company to be considered in the analysis. The smallest company on the Fortune 500 list for 2012 had about $4.7 billion in sales. Private companies - which for example may soon include Dell as it is likely to execute a leveraged buy-out - would not have the public financial data needed for this part of formula.

Another 25% of the final rankings come from so-called "peer opinion." In 2012, this consisted of 173 apparently very influential respondents who first select a group of companies from the master list that they believe "are furthest along toward the demand-driven ideal." From those selections, they are then asked to rank those companies from first to last, from which points are assigned to companies.

So, the reference point, in theory at least, is not "the best supply chain," but rather "demand-driven leadership." Are these the same things? I would say certainly not. But I suspect the panelists in the end are probably really voting based on their perceptions of who had the best supply chains, demand-driven or not. (And yes, being "demand-driven" is certainly an attribute of supply chain excellence, all things being equal.)

So, I assume these respondents largely come from current Gartner clients, but beyond that we don't know a whole lot - and they carry a big stick in the final rankings.

The final 25% comes from votes from Gartner's own supply chain analysts. They in essence use the same tool that the peer group does.

Take the financial rankings and the votes from peer group and Gartner analyst group (again, 50%, 25%, and 25%, respectively), and voila, out spits the top 25 in what is certainly a pretty objective fashion.

If you are interested, you will find a link here to the top 25 for 2012, with a comparison to 2011: Gartner Releases Top 25 Supply Chain List for 2012.

Is the process perfect? Certainly not. The unstated assumption is, for example, that stellar financial results equals supply chain excellence. So, it is no surprise that Apple has been on top of the list for three straight years, given the massive success of the iPhone and iPad that has led to incredible revenue growth.

When and if that growth slows, does that mean Apple's supply chain becomes less good that year? Certainly not, but that would be the effect in this methodology.

Companies that have heavily outsourced production and distribution also have an inherent advantage. Why? Because they have chosen to shed assets, and that drives their ROA metric higher. While outsourcing can be a very smart thing for many reasons, it is not inherently a better supply chain move. This metric also inherently discriminates against asset-intensive businesses, such as chemicals and automotive. That no doubt why we see only one such company, Cummins, in the top 25 (at #23), and probably a big factor in having the separate list of the top 25 industrial supply chains.

Finally, it is biased against sectors that inherently have low inventory turns. A Home Depot or a Lowes, for example, is only going to have turns in the mid-single digits, because of their need to stock every item under the sun to meet customer needs, many of which are very slow movers. Compare that to say turns at McDonald's (number 3 on last year's list, by the way).

It penalizes a company within a given sector that strategically decides on a higher service, lower turns strategy (even though again, we can all agree that inventory efficiency is a very important attribute of supply chain excellence).

There have been some anomalies over the years. In the very first top 25 in 2004, a Korean steel maker no one ever heard of called Posco gave what admittedly was a fantastic presentation on what it was doing with its supply chain to grow its business earlier in the year at the i2 user conference. Later, Posco magically showed up at a fairly high position on the list for one year - then was never seen again.

In 2006 or so, I saw a presentation at the Georgia Tech supply chain executive forum from Mark Holifield, then newly minted VP of Supply Chain at Home Depot. He basically said Home Depot hadn't focused that much on supply chain in favor of store growth over the years, and that he was leading a major supply chain transformation there to at first just reach parity with Lowes. (That transformation has been highly successful, by the way.)

At a break, I turned to my friend Gene Tyndall and said "I have to check," and sure enough, there was Home Depot at number 17 or something on the list.

So, with all that, here in general is the advice I give: (1) understand the methodology, especially with regard to the financial data. Not much you can really do about that, but you can at least understand how it works and do some comparisons to key competitors; (2) encourage others outside your organization to participate in the peer review process; and (3) most important, if you are really serious about this, arrange "briefings" with Gartner analysts touting what you are doing in supply chain in the same way that software vendors do it. Ladle on significant helpings of demand-driven-ness. (Shoot me an email if you would like to discuss this.)

The Gartner top 25 supply chains - it has its faults, but it is the best we've got. I look forward to it every year. It certainly stirs the pot.


What are your thoughts on the Gartner top 25? Do you see any ways it could be improved? Let us know your thoughts at the Feedback button (email) or section (web form) below.

 
 
     

Recent Feedback

Grea job on this! The top 25 gets its clothes from the emperor.


Richard Sherman
President
Gold & Domas Research
Mar, 03 2013

As you said “it has its faults, but it is the best we’ve got”.  And so far it doesn’t appear to be influenced significantly by whether the listed firm is a Gartner client, or by outside actions of software vendors as some other rankings appear to be.

I am always excited to see when a SC Visions client is well placed on the list, but I would never assume (neither should you) that we are directly responsible for their success.  I am quite certain that there are many good minds involved from inside and outside of these companies,  I only hope that our small firm made a worthwhile contribution.

Yes, it would be great if Gartner could include the opinion of non-Gartner analysts, perhaps even senior supply chain practitioners.  But, It is good that much of the basis for ranking comes from publically available financial data rather than simply opinion.

I look forward to seeing the 2013 rankings, and hope to see our clients continue their upward progress.


Steve Murray
Principal Consultant and Chief Researcher
Supply Chain Visions
Mar, 03 2013

I would add Cash to Cash to the financial criteria that Gartner uses to evaluate a Supply Chain. It is a measure of how efficiently a company converts an investment in material into sales (aka as Supply Chain Management). I find it very useful in evaluating a company.


Blair Williams
Adjunct Professor
NYU - Poly University
Mar, 03 2013


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