You need readiness or certification support
Use this path when the biggest question is how to prepare for or complete a CMMC assessment.
Defense contractor cybersecurity directory
Find CMMC providers by service model, contractor size, and compliance path.
Compare consultants, C3PAOs, enclave providers, managed service firms, and automation tools for CMMC, NIST 800-171, and defense-contractor readiness.
Last reviewed
April 8, 2026
Coverage
15 verified providers
Editorial posture
Primary-source verification, exact badge language, buyer-first categories
Buying routes
Start with the real problem, not a flat vendor list.
You need implementation or an operating environment
Use this path when the challenge is building or managing a compliant environment, not just preparing documents.
You need NIST 800-171 and evidence workflows
Use this path when the hardest part is SSPs, POA&Ms, controls mapping, or ongoing documentation.
Directory
Verified providers for CMMC and defense contractor cyber readiness.
Guides
Start with the service model before you compare firms.
CMMC consultants
Providers oriented toward readiness, gap closure, documentation, and certification prep.
Open pageC3PAOs and assessment providers
Formal assessment-capable providers and firms closest to certification workflows.
Open pageNIST 800-171 compliance services
Providers focused on the documentation, controls, and remediation layer behind CMMC readiness.
Open pageCMMC managed service providers
Providers with deeper managed operations, security, or ongoing support motion.
Open pageCMMC enclave providers
Providers with stronger managed-environment or enclave-heavy positioning.
Open pageC3PAO vs CMMC consultant
Use this when the main question is whether you need readiness help or formal-assessment-adjacent support.
Open pageManaged enclave vs GCC High migration
Use this when the real decision is environment strategy, not just which vendor to call.
Open pageSummit 7 vs C3 Integrated Solutions
Head-to-head for managed-provider and enclave-heavy CMMC buyers.
Open pageKieri Solutions vs Coalfire
Packaged contractor-friendly path versus larger-firm advisory depth.
Open pagePreVeil vs Totem Technologies
Small-contractor platform path versus guided software-and-enclave path.
Open pageParamify vs FutureFeed
Documentation automation versus ongoing workflow-management software.
Open pageCMMC for small businesses
Start here if the business needs a simpler path and should not be buying like a prime contractor.
Open pageBest CMMC consultants for small contractors
Shortlist-oriented page for smaller defense contractors choosing guided readiness help.
Open pageCMMC readiness assessment providers
Use this when the business first needs a real gap picture before choosing a longer provider path.
Open pageBest CMMC managed enclave providers
Editorial shortlist for buyers whose main decision is the compliant operating environment.
Open pageNIST 800-171 consultants
Start here when the real bottleneck is documentation, controls mapping, and evidence work.
Open pageCMMC consultant vs managed provider
Use this when the real decision is planning help versus ongoing operations and implementation.
Open pageBest C3PAOs for CMMC
Shortlist for buyers whose main need is assessment-side credibility and certification support.
Open pageCMMC software tools
Software-first view for SSPs, POA&Ms, evidence, secure collaboration, and maintainable compliance workflows.
Open pageCMMC providers for prime contractors
Start here when the environment, certification path, and organizational complexity are beyond a small-contractor playbook.
Open pageA-LIGN vs Coalfire
Assessment-side comparison for contractors closer to formal certification support.
Open pageGuidePoint Security vs Kieri Solutions
Broader security advisory versus guided contractor-friendly readiness path.
Open pageSimple Helix vs Summit 7
Managed-environment comparison for enclave and GCC High buyers.
Open pageTrust
Public standards, clearer provider types, and a cleaner path for corrections.
Methodology
How providers are evaluated, how formal assessment roles are separated from readiness support, and why the directory uses conservative wording.
Read methodologyEditorial policy
Why listings are not endorsements, how commercial opportunities should stay separate, and how identity assets are used in an editorial context.
Read policyProvider corrections
If a provider page is stale or a role is mislabeled, send the exact page and the exact primary-source correction.
ContactFor vendors
How to request a correction, suggest a new provider, or understand how listings are classified.
Read pageFeatured listings
Commercial placements, disclosure standards, and starter package ranges for providers.
Read page