Psomas

Company facts

Self-certified in SAM.gov

• For Profit Organization
• Subchapter S Corporation

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 541330 Engineering Services
• 541360 Geophysical Surveying and Mapping Services

SAM.gov registration date

Apr 22, 2005

Physical address

27220 Turnberry Ln #190, Valencia, CA 91355, USA

Website

psomas.com

Founded

1946

Employees

251-1K

Estimated annual revenue

$100M-$250M

Industry

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

SIC code

87 Engineering & Management Services

Profiles

• LinkedIn
• X
• Crunchbase

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Apr 29, 2026.