Company:  NORTH AMERICAN MANAGEMENT ...
Form Type:  13F-HR
Filing Date:  7/17/2017 
CIK:  0000861462 
Address:  TEN POST OFFICE SQUARE
SUITE 1200 SOUTH
 
City, State, Zip:  BOSTON, Massachusetts 02109 
Telephone:  617-695-2100 
Fiscal Year:  12/31 
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  FORM 13F-HR
    COVERSHEET
    SUMMARY PAGE
      REPORT SUMMARY
      OTHER MANAGERS
  INFORMATION TABLE DOCUMENT
    INFO TABLE