Avantti Builders Group LLC
Avantti Builders Group LLC is a small business in Milwaukee, WI registered on SAM.gov to bid on federal contracts. It has won about $1.2 million in federal prime contracts as a small business since fiscal year 2024, according to USAspending.gov.
- UEI
- C4X3KVF3J6F5
- CAGE code
- 6S3P4
- SAM.gov registration
- Active
Federal contract history
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Registration details
Show registration details
From SAM.gov's monthly public file dated Nov 1, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | Avantti Builders Group LLC |
|---|---|
| Unique Entity ID (UEI) | C4X3KVF3J6F5 |
| CAGE code | 6S3P4 |
| Location | Milwaukee, WI |
| SAM.gov registration | Active through Jul 10, 2027 |
| Business started | 2011 |
| Primary NAICS code | 236220: Commercial and Institutional Building Construction |
| Website | www.avantti-builders.com |
| How to contact | Through its website above. No phone or email in SAM.gov's public file. Search UEI C4X3KVF3J6F5 in SBA's Small Business Search for a contact the business added. |
Certifications and business types
No SBA certification (8(a), HUBZone or WOSB) in SAM.gov's public file (Nov 1, 2026).
SBA certifications let a business compete for set-aside contracts (set-asides explained). Check the current record on its SAM.gov entry.
How to check or correct this record
The file sometimes leaves a certification out, and a newer one won't be in it yet.
Check or correct this record at the source: open its SAM.gov entry, or search UEI C4X3KVF3J6F5 () in SAM.gov's entity search (free sign-in) and in SBA's Small Business Search (formerly DSBS), which shows SBA certifications. The business can update its details in its SAM.gov registration and its certifications at certifications.sba.gov.
NAICS codes Avantti Builders Group LLC is small under
On its SAM.gov registration, Avantti Builders Group LLC meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 236220 Commercial and Institutional Building Construction
- 236116 New Multifamily Housing Construction (except For-Sale Builders)
- 236210 Industrial Building Construction
- 237310 Highway, Street, and Bridge Construction
- 237990 Other Heavy and Civil Engineering Construction
- 238190 Other Foundation, Structure, and Building Exterior Contractors
- 238220 Plumbing, Heating, and Air-Conditioning Contractors
- 541330 Engineering Services
Open contracts in Avantti Builders Group LLC's NAICS codes
502 open federal opportunities on SAM.gov use one of Avantti Builders Group LLC's NAICS codes and may be open to it: no set-aside, or, in the codes it is registered small under, a small business set-aside. Here are a few, those in its primary code first (none of these are in Wisconsin right now), then the soonest due.
- Building 143 Concrete Scale Pad Expansion and Dock Leveler Replacement
Due in 2 daysNov 9, 2026, 10:00 AM EST
- Renovate Building 286 & Building 497, Demolish Building 298
Due in 2 daysNov 9, 2026, 12:00 PM EST
- Chino Emergency Repairs
✦ Solicitation 127EAX27Q0011: the U.S. Forest Service (Department of Agriculture, Southwest 7 contracting office) wants a small business to repair storm damage on three buildings…
Due in 2 daysNov 9, 2026, 1:00 PM CST
- 33330226RF0010010 Indefinite Delivery Indefinite Quantity (IDIQ) for Construction Services in Washington DC Metropolitan Area
✦ The Smithsonian Institution plans to award one or more small business indefinite delivery/indefinite quantity (IDIQ) construction contracts for projects of $1 million to $8…
Due in 2 daysNov 9, 2026, 3:00 PM EST
- Minor Construction / Sustainability, Repair and Maintenance
✦ The Army (McAlester Army Ammunition Plant, Oklahoma) wants a Job Order Contract for repair, maintenance and minor construction on its buildings and grounds.
Due in 2 daysNov 9, 2026, 5:00 PM CST
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (236220) that have won federal contracts in Wisconsin and nearby states:
- Bachmann Construction Company, Inc., Madison, WI
- Jacobson Enterprises LLC, De Pere, WI
- R. J. Jurowski Construction, Inc., Whitehall, WI
- JMJ Construction Co Inc, New Lisbon, WI
- KPH Construction Corp, Milwaukee, WI
- Middleton Construction Consulting, LLC, Rosemont, IL
Is this your business? Get a reminder before the SAM.gov registration expires
Get a reminder before the SAM.gov registration expires. It's active through Jul 10, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is Avantti Builders Group LLC's CAGE code?
Avantti Builders Group LLC's CAGE code is 6S3P4. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Avantti Builders Group LLC's UEI?
Avantti Builders Group LLC's Unique Entity ID (UEI) is C4X3KVF3J6F5. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Avantti Builders Group LLC's SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, Avantti Builders Group LLC's registration is active through Jul 10, 2027. Registrations are renewed every year.
Is Avantti Builders Group LLC a small business?
Avantti Builders Group LLC is registered on SAM.gov as small under 8 NAICS codes, including its primary code, 236220. 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
- Hiring subcontractors? List small businesses by state, NAICS code and certification
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.