Simpson Gumpertz & Heger Inc. | U.S. Green Building Council
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Member at Silver level

Simpson Gumpertz & Heger Inc.

Member since 2002

41 Seyon Street
Bldg. 1 Suite 500
Waltham, MA 02453

Simpson Gumpertz & Heger Inc. (SGH) is a national engineering firm that designs, investigates, and rehabilitates structures and building enclosures. SGH’s award-winning work encompasses building, nuclear, transportation, water/wastewater, and science/defense projects throughout the United States and in more than 30 other countries.

January 28, 2002 - Present