Professional and Scientific Associates, Inc.
Professional and Scientific Associates, Inc. is a small business in Arlington, VA registered on SAM.gov to bid on federal contracts. It has won about $38.7 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- KL36P1L5H833
- CAGE code
- 1LLT3
- SAM.gov registration
- Active
Registration details
| Legal business name | Professional and Scientific Associates, Inc. |
|---|---|
| Unique Entity ID (UEI) | KL36P1L5H833 |
| CAGE code | 1LLT3 |
| Location | Arlington, VA |
| SAM.gov registration | Active through Aug 3, 2027 |
| Business started | 1986 |
| Primary NAICS code | 561920: Convention and Trade Show Organizers |
| Website | www.explorepsa.com |
Certifications and business types
- Minority-owned (self-reported in SAM.gov)
- Women-owned (self-reported in SAM.gov)
- Women-owned small business (self-reported in SAM.gov)
SBA certifications let a business compete for set-aside contracts. See set-aside contracts explained.
Federal contract history
| Fiscal year | Prime contract obligations |
|---|---|
| FY2023 | $18.4 million |
| FY2024 | $18.1 million |
| FY2025 | $2.5 million |
| FY2026 | $18 million |
Its biggest federal customers over the last four fiscal years: Office of the Secretary ($51.8 million), Office of Administrative Services ($1.8 million), Immediate Office of the Secretary of Transportation ($1.5 million), National Institutes of Health ($960,126) and U.S. Patent and Trademark Office ($889,977).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| Sep 30, 2026 | Immediate Office of the Secretary of Transportation | The purpose of this purchase order is to sole source award to professional and… | $74,738 |
| Sep 30, 2026 | Immediate Office of the Secretary of Transportation | The purpose of this purchase order to professional and scientific associates is for… | $144,586 |
| Sep 29, 2026 | Immediate Office of the Secretary of Transportation | This purchase order is to provide ht monitoring tools - sme services. The period of… | $62,766 |
| Sep 29, 2026 | Immediate Office of the Secretary of Transportation | The purpose of this purchase order is to provide contractual services to provide… | $34,140 |
| Sep 28, 2026 | Immediate Office of the Secretary of Transportation | The purpose of this purchase order is to provide contractual services to support the… | $85,766 |
| Sep 23, 2026 | Immediate Office of the Secretary of Transportation | The purpose of this purchase order is to provide contractual services to support an… | $72,021 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Professional and Scientific Associates, Inc. is small under
On its SAM.gov registration, Professional and Scientific Associates, Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 561920 Convention and Trade Show Organizers
- 541611 Administrative Management and General Management Consulting Services
- 541618 Other Management Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- 541930 Translation and Interpretation Services
- 541990 All Other Professional, Scientific, and Technical Services
- 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities
Open contracts in Professional and Scientific Associates, Inc.'s NAICS codes
83 open federal opportunities on SAM.gov use a NAICS code Professional and Scientific Associates, Inc. is small under. These are due soonest.
- EVENT AUDIO VISUAL SERVICES
Due in 2 daysOct 12, 2026
- Army Continuing Medical Education (CME) Reaccreditation
Due in 2 daysOct 12, 2026
- Notice of Intent to Sole Source – National Marrow Donor Program – service agreement
✦ The NIH Clinical Center in Bethesda, MD plans to buy unrelated donor search and stem cell transplant support services from the National Marrow Donor Program (NMDP) without…
Due in 2 daysOct 12, 2026
- Design Basis Threat (DBT) and Target Sets Security
Due in 2 daysOct 12, 2026
- Flow-Induced Vibration Review and Guidance
Due in 2 daysOct 12, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (561920) that have won federal contracts, starting with Virginia:
- Revolve Solutions LLC, Alexandria, VA
- Infinity Conference Group, Inc., Chantilly, VA
- Conferencedirectgovernment, LLC, Ashburn, VA
- Dufour & Co Productions LLC, Arlington, VA
- Spectrum Events LLC, Dumfries, VA
- Ilanguage Interpretation Services, LLC, Springfield, VA
Frequently asked questions
What is Professional and Scientific Associates, Inc.'s CAGE code?
Professional and Scientific Associates, Inc.'s CAGE code is 1LLT3. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Professional and Scientific Associates, Inc.'s UEI?
Professional and Scientific Associates, Inc.'s Unique Entity ID (UEI) is KL36P1L5H833. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Professional and Scientific Associates, Inc.'s SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Professional and Scientific Associates, Inc.'s registration is active through aug 3, 2027. Registrations are renewed every year.
Is Professional and Scientific Associates, Inc. a small business?
Professional and Scientific Associates, Inc. is registered on SAM.gov as small under 7 NAICS codes, including its primary code, 561920. 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
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 ask us to remove this page, email hello@fedready.us.