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A Treffeisen & Sons LLC
A Treffeisen & Sons LLC is a specialty contractor in Oneonta, NY. Its SAM.gov registration DM69Y41BMT19 is active on the issuer's file, checked Nov 2, 2026.
A Treffeisen & Sons LLC
Specialty contractor · Oneonta, NY
SAM.gov registration DM69Y41BMT19Activechecked Nov 2, 2026
- ClassPartnership or limited liability partnership registered in SAM.gov
- ExpiresMay 29, 2027
- WhereOneonta, NY · serves New York
A Treffeisen & Sons LLC has not claimed its listing, so it takes no requests here yet. Contact them directly.
Listing details
What the issuer's record says
- Status
- SAM.gov registration active
- SAM.gov registration
- US-GSA-SAM DM69Y41BMT19
- Classes
- Partnership or limited liability partnership registered in SAM.gov
- Expires
- May 29, 2027
- Checked
- Nov 2, 2026, against the SAM.gov registered entities
The business
- What they do
- Specialty contractor
- Where
- Oneonta, NY
- Serves
- New York
- Website
- atreffeisenandson.com
- Listing updated
- Oct 24, 2026
- Listing
- Built from public records. Not claimed yet.
From the government record
- Licensed Not in the record SAM.gov registration DM69Y41BMT19 is active; it is a registration, not a license.
Checked Nov 2, 2026 from the SAM.gov registered entities · view record
- Bonded Not in the record The SAM.gov registered entities does not say whether the business is bonded.
Checked Nov 2, 2026 from the SAM.gov registered entities · view record
- Insured Not in the record The SAM.gov registered entities does not say whether the business is insured.
Checked Nov 2, 2026 from the SAM.gov registered entities · view record
More specialty contractors in Oneonta
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Proof for A. Treffeisen & Sons, LLC
- New York contractor registration
- DOL 26-63SAL-CR
- Issuer
- New York Department of Labor
- Status
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- Class
- Contractor Registry certificate (public works)
- Expires
- Dec 29, 2028
- Checked
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Proof for Dangca LLC
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Proof for Eastman Associates, Inc.
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Proof for J Hubner LLC
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Listing updated Oct 24, 2026. Hide an address, correct or remove this listing.