CMMC Certified ESPs (External Service Providers) by State

AL	Huntsville	Mad Security
AL	Huntsville	Simple Helix LLC
AL	Huntsville	Summit 7
CA	Carlsbad	Stratcom Systems, Inc. dba SIMS Software
CA	Elk Grove	ISSE Services LLC
CA	Milpitas	MX2 Technology, Inc.
CA	San Jose	Zscaler
FL	Jacksonville	Axiom
MD	Belcamp	MNS Group
MD	Frederick	KTL Solutions, Inc
MD	Rockville	OSIBeyond
MN	Minneapolis/St Paul	Bomberjacket Networks
MO	St. Louis	SSE
NC	Charlotte	CorpInfoTech
NV	Sparks	Sierra Nevada Corporation
OH	Cleveland	Kloud9 IT
OR	Pendleton	Cayuse
TX	Austin	ATX DEFENSE
TX	Dallas	Beryllium Infosec, Inc., Makers of Cuick Trac
UT	Salt Lake City	Legato Security
VA	Arlington	C3 Integrated Solutions
VA	Herndon	ISI Enterprises LLC.
VA	McLean	Centurum
VA	Middleburg	Aethon Security Consulting, LLC
VA	Reston	MicroTech
VA	Reston	Neosystems LLC
VA	Sterling	REI Systems
VA	Tysons	DMI - DIgital Management Holdings, LLC
WA	Seattle	AWS Controlled Working Environment

Top Authoritative & Official CMMC Resources:

These are trusted by compliance officers, IT leads, and business decision-makers:

1. CyberAB.org (The Cyber Accreditation Body)

• Most official resource for RPOs, C3PAOs, and certified assessors.
• Directories of authorized/certified providers
• Regular updates on rulemaking and training

2. DoD CMMC Program Page

• Office of the DoD CIO – official details on model versions, timelines, and rulemaking.
• Updates on the DFARS 252.204-7020/-7021 implementation

3. NIST.gov

• For referencing NIST 800-171 and 800-172 which underlie CMMC Levels 2 and 3.

Top Industry Watchdog & Comprehensive Market Tracker

For comparing solution providers and market activity:

4. CMMCMarket.com

Most comprehensive global listing of:

• CMMC-certified ESPs, RPOs, C3PAOs, MSPs, MSSPs
• Organized by city, state, and region
• Valuable for Federal Contractors and subcontractors actively seeking vendors
• Growing hub for comparison, lead generation, and advertising for solution providers

5. PreVeil Blog & Guides

• Regular CMMC-focused content aimed at SMBs in the Defense Industrial Base (DIB)
• Covers GCC vs GCC High, POA&M handling, scoring, etc.

6. Simple Helix Blog

• Practical insights and solution comparisons (GCC vs GCC High)
• Especially helpful for MSPs and IT staff evaluating readiness paths

Educational & Analyst Content

Often cited or consumed in planning and vendor research:

7. CS2 Conference (Summit Series) by Summit 7

• In-person and virtual events with high engagement from DoD primes and subs
• On-demand sessions are widely shared within compliance teams

8. LinkedIn Thought Leadership

• Popular contributors:
• Jacob Horne (Summit 7)
• Scott Edwards (Summit 7)
• Matt Travis (CyberAB CEO)
• Mike Balazsy (CMMCMarket.com)
• Key hashtags: #CMMC, #DFARS, #C3PAO, #FederalContracting

9. YouTube Channels

• “Summit 7”, “RPO Nation”, and various webinars from solution providers
• Explainers on GCC High, scoring systems, SPRS, etc.

Marketplaces & Peer Forums

Where subcontractors research vendors and experiences:

10. Reddit: r/CMMC

• Small but growing subreddit for peer discussions
• Field-level feedback on auditor prep, vendor value, etc.

11. [LinkedIn Groups like “CMMC Ecosystem” or “CMMC & DFARS Compliance”]

• Highly active discussions, vendor reviews, and shared content

12. GovWin from Deltek (for subscribers)

• Used by larger subcontractors to track federal business opportunities and compliance trends

Example Articles Popular Among Subcontractors:

• “Do You Really Need Microsoft GCC High for CMMC Level 2?” (CMMCMarket or PreVeil)
• “How to Choose Between an RPO and ESP” (Summit 7, Simple Helix, or blog posts on CMMCMarket.com)
• “How C3PAO Assessments Are Actually Scored” (CyberAB releases and Summit 7 recaps)
• “Tracking CMMC Level 2 Certifications Across the U.S.” (CMMCMarket.com analytics)
• “Understanding DFARS 252.204-7020 and SPRS Score Reporting” (PreVeil, DoD CIO)

CMMC C3PAOs (by State)

AL	Huntsville	Sentar, Inc.
AL	Huntsville	Gray Analytics
AZ	Scottsdale	LAZARUS ALLIANCE, INC.
CA	Carlsbad	KNC Strategic Services
CO	Colorado Springs	Digital Beachhead
CO	Denver	Edie Bailly LLP
FL	Clearwater	SP6 Consulting LLC
FL	Melbourne	Cybersec Investments
FL	Tampa	Paragon Cyber Solutions LLC
FL	Tampa	Peak Infosec LLC
FL	Tampa	A-LIGN
FL	Tampa	Schellman & Company, LLC
GA	Atlanta	Soundway
GA	Atlanta	CG Silvers Consulting, LLC
HI	Honolulu	Referentia Systems Incorporated
IA	Waukee	ECFirst
MA	Burlington	Ciseve
MA	Framingham	KLC Consulting, Inc
MD	Aberdeen	ARCYBER
MD	Baltimore	SteelToad
MD	Bel Air	Regola Cyber
MD	Belcamp	MNS Group
MD	Belcamp	MNS Group
MD	Columbia	Business Transformation Institute
MD	Columbia	Edwards Performance Solutions
MD	Fredericksburg	Anthony Timbers LLC
MD	Hanover	Penacity, LLC
MD	Silver Spring	CyberRx
MD	Woodbine	Kieri Solutions Llc
ME	Portland	Monarch ISC
MI	Ann Arbor	NSF
MI	Grand Rapids	CMMC TEAM
MN	Minneapolis/St Paul	Bomberjacket Networks
NC	Cary	Reef Systems
NC	Charlotte	Forvis Mazars
NC	Charlotte	CorpInfoTech
NM	Albuquerque	DTC
NY	Deer Park	Datasoftnow, Inc.
NY	Harrison	PKF O'Connor Davies, LLP
OH	Akron	Kimmell Cybersecurity
OH	Akron	Smithers Quality Assessments
OK	Oklahoma City	C.H. Guernsey & Company
PA	Camp Hill	MCKONLY & ASBURY, LLP
PA	Dresher	AWA International Group, Inc.
PA	Lancaster	Securestrux, LLC
PA	Pittsburg	Schneider Downs & Co., Inc.
TN	Brentwood	Provincia Government Solutions
TN	Franklin	Ariento Inc.
TN	Nashville	Redspin
TN	Oak Ridge	Boston Government Services, LLC
TX	Austin	ATX DEFENSE
TX	Southlake	RSI Security
VA	Arlington	First Information Technology Services
VA	Chantilly	Integrated Quality Corporation
VA	Chantilly	Coalfire Federal
VA	Fairfax	ControlCase
VA	Herndon	Kratos Technology & Training Solutions
VA	Herndon	STRATEGICIT SOLUTIONS LLC
VA	McLean	RSM US LLP
VA	Norfolk	Wise Technical Innovations
VA	Reston	Kompleye
VA	Reston	IPOWER LLC
VA	Reston	Vaultes
VA	Richmond	Hive Systems Defense Solutions
VA	Springfield	Resilient IT
VA	Tysons	Cherry Bekaert
VA	Tysons	CohnReznick LLP
VA	Warrenton	Sentinel Blue
VA	Williamsburg	SysAudits
WI	Madison	Cybernines LLC