Your market: NAICS 561621 — Security Systems Services (except Locksmiths)
One industry code, the whole picture. What's open in it right now and how much of that you've got a real shot at. What's about to come loose. How much of its federal money you could actually reach, how much is locked behind agreements you're not on, and when those reopen. When this market buys. And the other codes firms like yours also win in.
How to use it. Start with the code on your registration. Then try the neighbours at the bottom. Most people find work here under a number they'd never have searched.
This code, right now
Counted off today's board the same way the front page counts it. Which notice is which, and how many bidders each will pull, is on the board itself.
A real shot is open to an outside bidder with better than even odds of drawing two bidders or fewer. The promised ones are the rows you would have spent time bidding and were never going to get. See the board for this code →
Nothing has been posted for these yet. That is the point. See what's coming up in this code →
How much of this money can you actually reach?
This is the answer most people here have never seen for their own code: what share of the federal spending in NAICS 561621 is already locked behind long-term agreements you are not on, which agreements hold it, and the date each one next opens.
Contracts in this code ending within a year
| Work | Held by | Value | Ends | Last time |
|---|---|---|---|---|
| THE PURPOSE OF THIS CONTRACT IS TO PROVIDE DETENTION, TRANSPORTATION AND MEDICAL U.S. Immigration and Customs Enforcement |
AMENTUM SERVICES, INC. | $657.6M | 2026-11-30 | not competed last time |
| GUARD SERVICES FOR DOS PHYSICAL FACILITIES CONUS AND OCONUS. Department of State |
INTER-CON SECURITY SYSTEMS, INC. | $655.1M | 2027-04-30 | drew 4 offers last time |
| EO14042, SECURITY OFFICER GUARD SERVICES. Washington Headquarters Services |
S1S ALPHA LLC | $128.8M | 2026-11-30 | drew 3 offers last time |
See every contract in this code coming up, with predictions →
When this market actually buys
Busiest month: Sep (43.943% of the year) · quietest: Oct (1.425%) · hot window: Jul-Sep (61.32% of the year)
Based on 3,087 past awards.
Firms winning in this code also win in these
Your code describes your paperwork, not what you can do. These are the codes that small firms holding an award in NAICS 561621 also hold awards in, from the federal record since fiscal 2022. The places worth a look next.
| Code | What it covers | Of this code's winners | Open now |
|---|---|---|---|
| 238210 | Electrical Contractors and Other Wiring Installation Contractors | 24.2% | 36 |
| 334290 | Other Communications Equipment Manufacturing | 15.4% | 57 |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | 14.8% | 39 |
| 236220 | Commercial and Institutional Building Construction | 14.7% | 232 |
| 541519 | Other Computer Related Services | 12.9% | 19 |
| 334310 | Audio and Video Equipment Manufacturing | 11.2% | 21 |
| 561210 | Facilities Support Services | 10.9% | 42 |
| 811310 | Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | 10.9% | 47 |
| 811210 | Electronic and Precision Equipment Repair and Maintenance | 9.8% | 45 |
| 334220 | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | 9.4% | 66 |
"Of this code's winners" is the share of small firms with an award in NAICS 561621 that also hold one in that code. Subscribers also see how many of the open notices in each are predicted to draw two bidders or fewer.