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Surveys and Analysis, Inc. is the oldest and largest company in the United States devoted exclusively to natural gas leak detection.  S&A's roots stem back to the 1930's.  S&A is a service provider to utility companies only.  In an industry that our founder helped to pioneer, Surveys & Analysis, Inc. stands in a class of its own and our people are considered to be the specialty professionals in the field of natural gas leak detection.

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