For the second time interval, gross margins increased from 49.26% to 49.92% (12 months ending 2012-03-31 vs. 12 months ending 2011-03-31).

And for the final time interval, gross margins increased from 49.92% to 50.14% (12 months ending 2013-03-31 vs. 12 months ending 2012-03-31).

Environmental rating: 71.
 

8. Teledyne Technologies Inc. ( TDY): Provides electronic components, instruments, and communications products in the United States and Canada.  Market cap at $3.17B, most recent closing price at $84.93.

Gross profit margins increased from 28.74% to 30.17% during the first time interval (52 weeks ending 2011-01-02 vs. 53 weeks ending 2010-01-03).

For the second time interval, gross margins increased from 30.17% to 33.53% (52 weeks ending 2012-01-01 vs. 52 weeks ending 2011-01-02).

And for the final time interval, gross margins increased from 33.53% to 35.17% (52 weeks ending 2012-12-30 vs. 52 weeks ending 2012-01-01).

Environmental rating: 71.
 

9. FEI Company ( FEIC): Supplies instruments for nanoscale imaging, analysis, and prototyping that enable research, development, and manufacturing in industrial, academic, and research institutional applications.  Market cap at $3.47B, most recent closing price at $87.80.

Gross profit margins increased from 39.75% to 42.46% during the first time interval (52 weeks ending 2010-12-31 vs. 52 weeks ending 2009-12-31).

For the second time interval, gross margins increased from 42.46% to 44.45% (52 weeks ending 2011-12-31 vs. 52 weeks ending 2010-12-31).

And for the final time interval, gross margins increased from 44.45% to 46.61% (52 weeks ending 2012-12-31 vs. 52 weeks ending 2011-12-31).

Environmental rating: 70.

 

( List compiled by Mary-Lynn Cesar, Kapitall writer. Environmental data sourced from CSRHub. Gross margin data sourced from Google Finance. Quarterly sales data sourced from Zacks Investment Research. All other data sourced from Finviz.)

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