• Business & Services

  • Business Lines

    • Residential Retrofit
    • New Construction
    • Heat/Cooling (HVAC)
    • Appliance Recycling
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  • Case Studies

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  • Partners

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  • Strategic Alliances

    • Industry Partners & Trade Associations
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• For Consumers

  • Your Home

    • Home Assessments
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  • Take Action

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CSG National Offices

CSG operates 20 offices across the U.S. We promote a very collaborative work environment that reflects our company culture. We are always looking for opportunities to optimize our own energy efficiency and use environmentally-sensitive products.

• CORPORATE
  Based in Westborough, MA, this office is our hub for various corporate services.
  
  
• MIDWEST
  The Midwest offices include: Peoria, Illinois; Westerville, Ohio; and West Carrollton, Ohio.
  
  
• NEW ENGLAND
  We got our start here more than 25 years ago in a small office in Boston, MA. We have offices in ME and MA.
  
  
• MID-ATLANTIC
  We have five offices throughout NY and one in Iselin, NJ.
  
  
• PACIFIC NORTHWEST
  The Pacific Northwest is served by two offices — one in Portland, OR and the other in Seattle, WA.
  
  
• SOUTHEAST
  Our Nashville, TN office serves several states. Much smaller offices are located in Florida and Louisiana.
  
  
• WEST/SOUTHWEST
  This region has multiple offices in California and Arizona.