NAICS codes / 561621 / Maryland
Security Systems Services (except Locksmiths) contracts in Maryland (NAICS 561621)
As of Nov 4, 2026, there are 5 open federal notices for NAICS 561621 (Security Systems Services (except Locksmiths)) with place of performance in Maryland on SAM.gov; 4 are due in the next 7 days.
Open notices, newest first
Enterprise Electronic Security Systems (ESS) — Nationwide Operations, Maintenance, Integration, and…
Health and Human Services · Rockville, MD · Sources SoughtDue Nov 4 · 1 day left✓ Open to all businessesSee the bid →Enterprise Electronic Security Systems (ESS) — Nationwide Operations, Maintenance, Integration, and…
Health and Human Services · Rockville, MD · Sources SoughtDue Nov 4 · 1 day left✓ Open to all businessesSee the bid →Enterprise Electronic Security Systems (ESS) — Nationwide Operations, Maintenance, Integration, and…
Health and Human Services · Rockville, MD · Sources SoughtDue Nov 4 · today✓ Open to all businessesSee the bid →Enterprise Electronic Security Systems (ESS) — Nationwide Operations, Maintenance, Integration, and…
Health and Human Services · Rockville, MD · Sources SoughtDue Nov 4 · today✓ Open to all businessesSee the bid →Enterprise Electronic Security Systems (ESS) — Nationwide Operations, Maintenance, Integration, and…
Health and Human Services · Rockville, MD · Sources SoughtDue Nov 19 · 15 days left✓ Open to all businessesSee the bid →🔔 Get new NAICS 561621 notices in Maryland every morning
New matching SAM.gov notices every morning by Telegram or email. No UEI, no password · 14-day Solo trial, no card.
| No set-aside (open to all) | 5 |
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| Department of Health and Human Services | 5 |
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Data from public SAM.gov notices, updated Nov 4, 2026. Counts include only notices whose response deadline has not passed; the median uses only dollar amounts the notices themselves state (upper end of a stated range), never estimates.
NAICS 561621 in nearby states
- Pennsylvania (6 open)
NAICS 561621 in other states
- Louisiana (3 open)
- Texas (3 open)
- NAICS 561621 nationwide (35 open)
Other industries in Maryland
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (50 open)
- 541330 Engineering Services (29 open)
- 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing (25 open)
- 811210 Electronic and Precision Equipment Repair and Maintenance (19 open)
- 334290 Other Communications Equipment Manufacturing (16 open)
- 334516 Analytical Laboratory Instrument Manufacturing (16 open)
- 541611 Administrative Management and General Management Consulting Services (12 open)
- 541990 All Other Professional, Scientific, and Technical Services (11 open)
- 336611 Ship Building and Repairing (10 open)
- 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (9 open)
- All federal contracts in Maryland
Place of performance is the state SAM.gov lists for the notice, or a state the notice itself names. See also: bids due this week · NAICS codes for small business