S.s. Papadopulos & Associates, Inc.

Company facts

FY2025 rankings

Its parent company, S.s. Papadopulos & Associates, Inc., ranks:

• #83 in NAICS 541199
• #85 in NAICS 54119
• #93 in PSC R424

Self-certified in SAM.gov

• For Profit Organization

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 213112 Support Activities for Oil and Gas Operations
• 213113 Support Activities for Coal Mining
• 213114 Support Activities for Metal Mining
• 213115 Support Activities for Nonmetallic Minerals (except Fuels) Mining
• 221310 Water Supply and Irrigation Systems
• 513210 Software Publishers
• 541330 Engineering Services
• 541511 Custom Computer Programming Services

Show all 15

• 541690 Other Scientific and Technical Consulting Services
• 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
• 541990 All Other Professional, Scientific, and Technical Services
• 562219 Other Nonhazardous Waste Treatment and Disposal
• 562910 Remediation Services
• 562998 All Other Miscellaneous Waste Management Services
• 611420 Computer Training

Corporate family

• Corporate Headquarters Parent S.s. Papadopulos & Associates, Inc. · Rockville, MD DFADX5HTRL54
  • San Francisco Regional Office

SAM.gov registration date

May 9, 2006

Physical address

220 Montgomery St #1625, San Francisco, CA 94104, USA

Website

sspa.com

Founded

1979

Employees

51-250

Estimated annual revenue

$10M-$50M

Industry

1. Industrials
2. Commercial & Professional Services
3. Professional Services
4. Consulting

SIC code

89 Services, Not Elsewhere Classified

Profiles

• LinkedIn

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Mar 18, 2026.