Thornton Tomasetti Inc.

Company facts

Self-certified in SAM.gov

• For Profit Organization

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 541310 Architectural Services
• 541340 Drafting Services
• 541350 Building Inspection Services
• 541370 Surveying and Mapping (except Geophysical) Services
• 541420 Industrial Design Services
• 541511 Custom Computer Programming Services
• 541690 Other Scientific and Technical Consulting Services
• 541713 Research and Development in Nanotechnology

Show all 10

• 541714 Research and Development in Biotechnology (except Nanobiotechnology)
• 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

Corporate family

• Thornton Tomasetti, Inc. Parent New York, NY LGWMGNMDN987
  • Thornton Tomasetti Inc.

SAM.gov registration date

Jul 18, 2014

Website

thorntontomasetti.com

Founded

1949

Employees

1K-5K

Estimated annual revenue

$250M-$500M

Industry

1. Industrials
2. Capital Goods
3. Construction & Engineering
4. Civil Engineering

SIC code

87 Engineering & Management Services

Profiles

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• Crunchbase

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Oct 15, 2026.