S.S. Papadopulos & Associates, Inc.
S.S. Papadopulos & Associates, Inc. is a small business in Rockville, MD registered on SAM.gov to bid on federal contracts. It has won about $7.1 million in federal prime contracts as a small business since fiscal year 2024, according to USAspending.gov.
- UEI
- DFADX5HTRL54
- CAGE code
- 036E3
- SAM.gov registration
- Active
Federal contract history
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Registration details
Show registration details
From SAM.gov's monthly public file dated Nov 1, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | S.S. Papadopulos & Associates, Inc. |
|---|---|
| Unique Entity ID (UEI) | DFADX5HTRL54 |
| CAGE code | 036E3 |
| Location | Rockville, MD |
| SAM.gov registration | Active through Oct 12, 2027 |
| Business started | 1979 |
| Primary NAICS code | 541620: Environmental Consulting Services |
| Website | www.sspa.com |
| How to contact | Through its website above. No phone or email in SAM.gov's public file. Search UEI DFADX5HTRL54 in SBA's Small Business Search for a contact the business added. |
Certifications and business types
No SBA certification (8(a), HUBZone or WOSB) in SAM.gov's public file (Nov 1, 2026).
SBA certifications let a business compete for set-aside contracts (set-asides explained). Check the current record on its SAM.gov entry.
How to check or correct this record
The file sometimes leaves a certification out, and a newer one won't be in it yet.
Check or correct this record at the source: open its SAM.gov entry, or search UEI DFADX5HTRL54 () in SAM.gov's entity search (free sign-in) and in SBA's Small Business Search (formerly DSBS), which shows SBA certifications. The business can update its details in its SAM.gov registration and its certifications at certifications.sba.gov.
NAICS codes S.S. Papadopulos & Associates, Inc. is small under
On its SAM.gov registration, S.S. Papadopulos & Associates, Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 541620 Environmental Consulting Services
- 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
- 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
Open contracts in S.S. Papadopulos & Associates, Inc.'s NAICS codes
424 open federal opportunities on SAM.gov use one of S.S. Papadopulos & Associates, Inc.'s NAICS codes and may be open to it: no set-aside, or, in the codes it is registered small under, a small business set-aside. Here are a few, those in its primary code first (none of these are in Maryland right now), then the soonest due.
- Phase I Environmental Site Assessment at Lower Grey Cloud Slough Islands
Due in 4 daysNov 11, 2026, 3:00 PM CST
- Pine Bluff Arsenal Testing, Lab and Engineering Services
Due in 5 daysNov 12, 2026, 2:00 PM CST
- BPA CALL for Cultural Resources Investigation Irrigation Pipeline Project
Due in 6 daysNov 13, 2026, 4:30 PM EST
- Request for Comments for Draft PWS EPA OCSPP
Due in 9 daysNov 16, 2026, 12:00 PM EST
- Requirement to support the Formerly Used Defense Sites (FUDS) Program Single Award Task Order Contract (SATOC)
✦ This is a sources sought notice (market research, not a solicitation) from the U.S. Army Corps of Engineers Savannah District.
Due in 11 daysNov 18, 2026, 5:00 PM EST
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (541620) that have won federal contracts in Maryland:
- Potomac-Hudson Engineering Inc, Rockville, MD
- Sustainable Design Consortium, (SDC) Inc, Baltimore, MD
- Association of Consultants and Engineers, Leonardtown, MD
- Straughan Environmental, Inc., Columbia, MD
- Exeter Associates, Inc., Columbia, MD
- Phe-Baker JV2, LLC, Rockville, MD
Is this your business? Get a reminder before the SAM.gov registration expires
Get a reminder before the SAM.gov registration expires. It's active through Oct 12, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is S.S. Papadopulos & Associates, Inc.'s CAGE code?
S.S. Papadopulos & Associates, Inc.'s CAGE code is 036E3. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is S.S. Papadopulos & Associates, Inc.'s UEI?
S.S. Papadopulos & Associates, Inc.'s Unique Entity ID (UEI) is DFADX5HTRL54. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is S.S. Papadopulos & Associates, Inc.'s SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, S.S. Papadopulos & Associates, Inc.'s registration is active through Oct 12, 2027. Registrations are renewed every year.
Is S.S. Papadopulos & Associates, Inc. a small business?
S.S. Papadopulos & Associates, Inc. is registered on SAM.gov as small under 15 NAICS codes, including its primary code, 541620. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
- Hiring subcontractors? List small businesses by state, NAICS code and certification
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To report a mistake on this page, or to ask us to remove it, email hello@fedready.us with the page address; we reply within 2 business days. For a removal, write from an address at the company.