Whisper Rock II LP
Sioux Falls, SD Doing business as Costello Companies
- UEI
- KJJPWZD4K843
- CAGE
- 8QP11
- Primary NAICS
- Not on record
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Partnership or Limited Liability Partnership
- SAM.gov registration date
- Physical address
- 7409 Bitterroot Pl, Sioux Falls, SD 57108, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Quick answers
Is Whisper Rock II LP registered in SAM.gov?
Yes. Whisper Rock II LP's SAM.gov registration is active through December 14, 2026.
On GovTribe
See Whisper Rock II LP's full federal record
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