LJB Inc.
LJB Inc. is a small business in Miamisburg, OH registered on SAM.gov to bid on federal contracts. It has won about $500 in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- SU21EFZDJ656
- CAGE code
- 1KPW3
- SAM.gov registration
- Active
Registration details
| Legal business name | LJB Inc. |
|---|---|
| Unique Entity ID (UEI) | SU21EFZDJ656 |
| CAGE code | 1KPW3 |
| Location | Miamisburg, OH |
| SAM.gov registration | Active through Feb 27, 2027 |
| Business started | 1966 |
| Primary NAICS code | 541330: Engineering Services |
| Website | www.ljbinc.com |
Federal contract history
| Fiscal year | Prime contract obligations |
|---|---|
| FY2023 | $361,108 |
| FY2024 | $218,360 |
| FY2025 | $179,930 |
| FY2026 | $326,675 |
Its biggest federal customers over the last four fiscal years: Smithsonian Institution ($708,435), Washington Headquarters Services ($333,138), Department of the Navy ($44,000) and Missile Defense Agency ($500).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| Jul 16, 2026 | Smithsonian Institution | Service, fy 2026 certification for fall protection. | $108,675 |
| May 7, 2026 | Washington Headquarters Services | Roof fall protection services | $51,930 |
| Apr 23, 2026 | Washington Headquarters Services | Roof fall protection services | $88,700 |
| Apr 14, 2026 | Smithsonian Institution | Pn #26703 - design & installation of rolling gantry on nmah roof. | $128,800 |
| Jan 16, 2026 | Missile Defense Agency | Scalable homeland innovative enterprise layered defense (shield) initial order. | $500 |
| Sep 26, 2025 | Washington Headquarters Services | Roof fall protection system services | $81,400 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes LJB Inc. is small under
On its SAM.gov registration, LJB Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
Open contracts in LJB Inc.'s NAICS codes
16 open federal opportunities on SAM.gov use a NAICS code LJB Inc. is small under. These are due soonest.
- USS NEW YORK (LPD-21) Well Deck Bridge Crane Runway Beam
Due in 3 daysOct 14, 2026
- CRANES AND HOISTS
Due in 4 daysOct 15, 2026
- Office Environment Glass Ballistic Partition
Due in 4 daysOct 15, 2026
- SLING,BEAM TYPE
Due in 5 daysOct 16, 2026
- 1-TON CHAIN HOIST
✦ NAVSUP Weapon Systems Support (Navy) has posted a solicitation for a 1-ton chain hoist.
Due in 8 daysOct 19, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (541330) that have won federal contracts, starting with Ohio:
- A&b Foundry, LLC, Franklin, OH
- Analytic Designs Inc, Columbus, OH
- Ffe Environmental Services Inc, Blue Ash, OH
- Construction Support Solutions LLC, Avon Lake, OH
- Dynotec-KZF JV, LLC, Columbus, OH
- Clear Creek Applied Technologies Inc, Beavercreek, OH
Frequently asked questions
What is LJB Inc.'s CAGE code?
LJB Inc.'s CAGE code is 1KPW3. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is LJB Inc.'s UEI?
LJB Inc.'s Unique Entity ID (UEI) is SU21EFZDJ656. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is LJB Inc.'s SAM.gov registration active?
Yes, as of the latest SAM.gov public data, LJB Inc.'s registration is active through Feb 27, 2027. Registrations are renewed every year.
Is LJB Inc. a small business?
LJB Inc. is registered on SAM.gov as small under 2 NAICS codes. 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.