Southern Machine Works Inc
Southern Machine Works Inc is a business in Duncan, OK registered on SAM.gov to bid on federal contracts. It is SBA-certified (HUBZone), but SAM.gov's public file doesn't say whether it is small under any of its NAICS codes. Below are its registration details, certifications and federal contract history.
- UEI
- GBARBT8FWA61
- CAGE code
- 5D6H0
- SAM.gov registration
- Active
Registration details
From SAM.gov's monthly public file dated Oct 5, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | Southern Machine Works Inc |
|---|---|
| Unique Entity ID (UEI) | GBARBT8FWA61 |
| CAGE code | 5D6H0 |
| Location | Duncan, OK |
| SAM.gov registration | Active through Mar 31, 2027 |
| Business started | 1974 |
| Primary NAICS code | 332710: Machine Shops |
| Website | www.southernmach.com |
Certifications and business types
- SBA HUBZone certified
SBA certifications let a business compete for set-aside contracts. See set-aside contracts explained.
Federal contract history
USAspending.gov shows no federal prime contracts for this UEI in the last five years. Many small businesses start as subcontractors to larger firms; see how to become a government subcontractor.
NAICS codes on Southern Machine Works Inc's registration
Southern Machine Works Inc also lists these codes, but SAM.gov's public file leaves its size answer for them blank, so we can't say whether it is small under them. Its entry on SAM.gov shows the answer for each.
- 332710 Machine Shops
- 332721 Precision Turned Product Manufacturing
- 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing
- 336411 Aircraft Manufacturing
- 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing
- 336415 Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing
- 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing
- 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing
- 336999 All Other Transportation Equipment Manufacturing
Open contracts in Southern Machine Works Inc's NAICS codes
336 open federal opportunities on SAM.gov use one of Southern Machine Works Inc's NAICS codes and are open to it: no set-aside, since SAM.gov's file doesn't say whether it is small under any of its codes. Here are a few, those in its primary code first (none of these are in Oklahoma right now), then the soonest due.
- TAHEF 542 System Components
Due in 4 daysOct 15, 2026
- NRP, Mount Assembly,, in Repair/Modification of
✦ NAVSUP Weapon Systems Support is requesting quotes for a repair purchase order to restore a Navy mount assembly (NRP mount assembly, P/N D0012698-1003) to Ready for Issue…
Due in 5 daysOct 16, 2026
- Cable Assembly, Inte, in Repair/Modification of
✦ NAVSUP Weapon Systems Support (Navy) is soliciting repair of a cable assembly (P/N 178-6384-1, NSN 4920-01-5016740).
Due in 8 daysOct 19, 2026
- NRP, CCA, Motherboard, in Repair/Modification of
✦ NAVSUP Weapon Systems Support wants a contractor to repair and test an NRP circuit card assembly motherboard (P/N 30117-0414-0101, NSN 5975-016460635) and return units to…
Due in 8 daysOct 19, 2026
- Mounting Base, Elect, in Repair/Modification of
✦ NAVSUP Weapon Systems Support wants a contractor to repair and return to Ready for Issue condition an electrical mounting base (P/N 3244AS100, NSN 5975-01-398-0446).
Due in 9 daysOct 20, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (332710) that have won federal contracts, starting with Oklahoma:
- The Coanda Company LLC, Shawnee, OK
- MST Manufacturing LLC, Claremore, OK
- Hoosier Industrial Supply, Inc, Goshen, IN
- Deval Life Cycle Support LLC, Philadelphia, PA
- Fluidyne Corporation, Pennsauken, NJ
- DC Precision LLC, Santa Ana, CA
Frequently asked questions
What is Southern Machine Works Inc's CAGE code?
Southern Machine Works Inc's CAGE code is 5D6H0. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Southern Machine Works Inc's UEI?
Southern Machine Works Inc's Unique Entity ID (UEI) is GBARBT8FWA61. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Southern Machine Works Inc's SAM.gov registration active?
Yes, as of SAM.gov's public data from Oct 5, 2026, Southern Machine Works Inc's registration is active through Mar 31, 2027. Registrations are renewed every year.
Is Southern Machine Works Inc a small business?
Southern Machine Works Inc is in SAM.gov's public data as an SBA-certified business. SAM.gov's public file doesn't say whether it is small under its 9 codes; its SAM.gov entry shows the answer for each. 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 report a mistake on this page, or to ask us to remove it, email hello@fedready.us with the page address; we reply within 2 business days. For a removal, write from an address at the company.