Overall Ranking (91%)
The Overall Ranking is a score from 1 star (very bad) to 5 stars (excellent) generated based on the Company Reviews of current and former employees at this company, taking everything into account.
The number you see in the middle of the donut pie chart is the simple average of these scores. If you hover over the various sections of the donut, you will see the % breakdown of each score given.
The percentile score in the title is calculated across the entire Company Database and uses an adjusted score based on Bayesian Estimates (to account for companies that have few reviews). Simply put, as a company gets more reviews, the confidence of a "true score" increases so it is pulled closer to its simple average and away from the average of the entire dataset.
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Over one hundred years ago as McMaster-Carr was first opening its doors there were very few automobiles and no airplanes, plastics or computers. Our history has coincided with developments such as mass production, the Great Depression, two world wars, the growth of the aerospace industry, computers, and the Internet.
More than a century later we've grown from a small Chicago operation selling products locally to a network of five facilities in Chicago, IL; Los Angeles, CA; Atlanta, GA; Cleveland, OH; and Princeton, NJ that serve customers all over the world. We offer hundreds of thousands of items including fasteners, pumps, casters, and raw materials.
Operating now with the benefit of modern facilities and technology, we find ourselves focused on the same activities that made us successful in the beginning…adding products to our catalog that will help our customers keep their operations running, making purchasing simple, and delivering products quickly.