C.H. Guernsey & Company
HQ: United States · 1 framework · 1 office · Verified
Last checked · 3 sources · How we verify
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Oklahoma City, Oklahoma engineering and consulting firm listed as an authorized CMMC Third-Party Assessment Organization (C3PAO).
This listing is a set of checked facts. It is not an endorsement, ranking or score, and it is not legal or audit advice.
Offices
- Oklahoma City, Oklahoma, United States (HQ country)
Frameworks
A framework appears only when an official registry listed this firm at last check. Tags are not a certification of your organisation.
Accreditations and registry listings
| Registry | Record | Checked |
|---|---|---|
| Cyber AB Marketplace - C3PAO | Listed as C3PAO: C.H. Guernsey & Company (Oklahoma City, OK); active and in good standing |
FAQ (from this dataset)
Is C.H. Guernsey & Company accredited for CMMC?
Listed as C3PAO: C.H. Guernsey & Company (Oklahoma City, OK); active and in good standing (Cyber AB Marketplace - C3PAO: https://cyberab.org/Catalog). Confirm on the registry.
Where is C.H. Guernsey & Company located?
C.H. Guernsey & Company publishes headquarters in United States and lists an office in Oklahoma City, United States.
Sources
Last checked 21 Oct 2026. Spotted an error? Submit a correction or email [email protected].
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