Directory · independent · sourced

CMMC provider directory

An independent reference for the providers buyers commonly consider for CMMC work. Every record cites its sources with a retrieval date. Providers are not ranked, scored, or charged for listing position.

Records

524

C3PAOs

106

RPOs

385

MSPs / MSSPs

By role

All524 C3PAO106 RPO385 MSP / MSSP53 CUI enclave7 CMMC / GRC software10 Documentation54

Vendors offering scoped CUI-handling environments (often built on Microsoft 365 GCC High or equivalent).

By focus

Any focus524 Microsoft GCC High10 Microsoft 36518 Encrypted collaboration3 Managed GRC36 Templates only45 DIB-only focus75 ITAR / export-controlled7 Manufacturing13 Aerospace & defense37

2 matches of 524 · showing 2 in CUI enclave with focus Manufacturing

Sorted A–Z · unranked

Core Business Solutions, LLC.
RPOCUI enclaveDocumentationSmall business focusManufacturing
Lewisburg, PA · Founded 2000
Core Business Solutions, LLC. is a Cyber AB Marketplace-listed Registered Practitioner Organization based in Lewisburg, PA.
Last verified
May 14, 2026
View record →
eResilience, a Division of Referentia Systems, Inc.
DocumentationCUI enclaveDIB-only focusAerospace & defense
Honolulu, HI · Founded 1996
eResilience, a Division of Referentia Systems, Inc. is a Cyber AB Marketplace-listed Licensed Training Provider based in Honolulu, HI.
Last verified
May 14, 2026
View record →

Inclusion is editorial. Providers cannot pay to appear, to rank higher, or to suppress a record. To request a correction, see the disclosures page.

Method

Sourced, unranked, unweighted.