Silverblock Systems Inc.

Leonardtown, MD Doing business as Silverblock

UEI
D9HNGJFNYF57
CAGE
5QPP8
Primary NAICS
541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
SAM.gov registration
Expired

Company facts

Self-certified in SAM.gov
  • For Profit Organization
  • Subchapter S Corporation
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
Show all
SAM.gov registration date
Physical address
21111 Catnip Ct, Leonardtown, MD 20650, USA

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

Recent federal awards

Silverblock Systems Inc.'s 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
Research and development Contract · N6833518C0266 Naval Air Warfare Center $2,977,366
RF operations using geospatial hypotheses (rough) Contract · N0001414C0036 Office of Naval Research $4,230,741
, AIS enhanced transponder (asset) Contract · N0001413C0204 Office of Naval Research $321,567
Sbir phase i topic N112-101 Contract · N6833512C0035 Naval Air Warfare Center $79,918
Research and development in the physical, engineering, and life sciences (except biotechnology) Contract · N0001411C0354 Office of Naval Research $3,819,792

Quick answers

What is Silverblock Systems Inc.'s UEI?

Silverblock Systems Inc.'s Unique Entity ID (UEI) in SAM.gov is D9HNGJFNYF57.

What is Silverblock Systems Inc.'s CAGE code?

Silverblock Systems Inc.'s CAGE code is 5QPP8.

What is Silverblock Systems Inc.'s primary NAICS code?

Silverblock Systems Inc.'s primary NAICS code is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)).

Where is Silverblock Systems Inc. located?

Silverblock Systems Inc.'s physical address in SAM.gov is 21111 Catnip Ct, Leonardtown, MD 20650, USA.

Is Silverblock Systems Inc. registered in SAM.gov?

Silverblock Systems Inc.'s SAM.gov registration expired on December 29, 2025.

What is Silverblock Systems Inc.'s most recent federal award?

Silverblock Systems Inc.'s most recent federal contract award is Research and development (N6833518C0266), from Naval Air Warfare Center, on April 19, 2018.

On GovTribe

See Silverblock Systems Inc.'s full federal record

  • Federal contract awards
  • Subcontracting relationships
  • Funding analysis by agency, NAICS and set-aside
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