Small business government contractors
Profiles of small businesses registered on SAM.gov to win federal contracts: CAGE code, UEI, registration status, SBA certifications and federal contract history. 34,768 of them have won federal contracts or SBIR/STTR awards in the last few years.
Small businesses in Maryland, with primary NAICS code 561720 (Janitorial Services), by federal contract dollars
Ranked by federal prime contract dollars as a small business since FY2024 (USAspending.gov, as of Nov 5, 2026).
How these are ranked
Prime contract dollars since fiscal year 2024 on contracts where USAspending.gov counts the firm as a small business. “Small” is set per NAICS code: these firms are registered small under their primary code (or SBA-certified). Firms that hold small business subcontracting plans, which only businesses that aren't small file, or have $1 billion or more in these contracts are left out. A profile's yearly totals count all of its prime contracts, so they can be higher.
- ICMC Alliance, LLCBeltsville, MD · $13.2 million
- Greenclean, Inc.Waldorf, MD · $5.7 million8(a)
- Clover-One Joint Venture, LLCGaithersburg, MD · $4.9 million
- Clean Team Janitorial Service, Inc.Temple Hills, MD · $4.2 million
- Diversified Services Group, Inc.Germantown, MD · $2.3 millionWOSB
- Lumia One, Inc.Gaithersburg, MD · $1.8 million8(a)
- RC Quartermaster LLCSilver Spring, MD · $1.3 millionSDVOSB
- Koi Advocacy Group, LLCElkridge, MD · $870,856WOSB
- Rojani Facilities Management, LLCHyattsville, MD · $782,271
- Affirm Fitness L.L.C.Baltimore, MD · $664,396WOSB
- Potomac Services Management IncFort Washington, MD · $258,031
- MSP Superior Services IncBaltimore, MD · $217,4528(a)HUBZone
- Tri-El, LLPFort Washington, MD · $127,861SDVOSB
- Akleen Hood Restaurant Services, LLCEaston, MD · $78,930
- Lasa-II Joint Venture, LLCGaithersburg, MD · $50,144WOSB
- Amaket Solutions LLCMonrovia, MD · $48,508WOSB
- Freedom Goods LLCBaltimore, MD · $34,880
- M&N Contractors, LLCSilver Spring, MD · $25,000
- System Solution Strategies LLCBrentwood, MD · $25,000WOSB
- San Business Consultants LLCNorth Potomac, MD · $22,755WOSB
- Extra Clean IncGaithersburg, MD · $21,395
- DC Windows LLCFrederick, MD · $15,715
- Vertex Management Group Inc.La Plata, MD · $14,784
- Morgan Service Solutions, LLCWaldorf, MD · $9,264
- AATC8 IncLaurel, MD · $9,230
- Makro Services IncRockville, MD · $4,468
- Foreman Pro Cleaning LLCAnnapolis, MD · $3,120
- No More Dust Maid Services, LLCUpper Marlboro, MD · $3,098WOSB
Top firms by certification in Maryland, with primary NAICS code 561720 (Janitorial Services) (8(a), HUBZone, WOSB and SDVOSB)
Top 8(a) firms in Maryland, with primary NAICS code 561720 (Janitorial Services)
- Greenclean, Inc.Waldorf, MD · $5.7 million
- Lumia One, Inc.Gaithersburg, MD · $1.8 million
- MSP Superior Services IncBaltimore, MD · $217,452
Top HUBZone firms in Maryland, with primary NAICS code 561720 (Janitorial Services)
- MSP Superior Services IncBaltimore, MD · $217,452
Top Women-owned small businesses in Maryland, with primary NAICS code 561720 (Janitorial Services)
- Diversified Services Group, Inc.Germantown, MD · $2.3 million
- Koi Advocacy Group, LLCElkridge, MD · $870,856
- Affirm Fitness L.L.C.Baltimore, MD · $664,396
- Lasa-II Joint Venture, LLCGaithersburg, MD · $50,144
- Amaket Solutions LLCMonrovia, MD · $48,508
- System Solution Strategies LLCBrentwood, MD · $25,000
- San Business Consultants LLCNorth Potomac, MD · $22,755
- No More Dust Maid Services, LLCUpper Marlboro, MD · $3,098
Top Service-disabled veteran-owned in Maryland, with primary NAICS code 561720 (Janitorial Services)
- RC Quartermaster LLCSilver Spring, MD · $1.3 million
- Tri-El, LLPFort Washington, MD · $127,861
Hiring small subcontractors?
If you're a prime looking for small businesses to team with, use the filters above to list small firms by state, NAICS code and certification, then open a profile for its SAM.gov registration, the codes it is small under and its contract history. Check any firm by name, UEI or CAGE code with the CAGE code and UEI lookup.
About these profiles
Every business registered on SAM.gov as small under at least one NAICS code, and every SBA-certified firm, has a profile; each profile says which codes it is small under. Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. Looking for partners to team with? See how to become a government subcontractor.