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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.

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Small businesses in Pennsylvania, with primary NAICS code 621111 (Offices of Physicians (except Mental Health Specialists)), 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.

  1. Ethos Solutions LLCFlourtown, PA · $2.8 millionSDVOSB
  2. American Hospital Services Group LLCExton, PA · $2.2 million
  3. Winding Creek Wellness LLCFlourtown, PA · $1.7 million
  4. The Axon Group, LTDElkins Park, PA · $1.1 millionWOSB
  5. Lawrence SchaffzinCheltenham, PA · $1 million
  6. Thoracic Surgery Associates PLLCLancaster, PA · $900,725
  7. J.T. Shaw M.D. P.C.Pittsburgh, PA · $829,482
  8. Gurcharan Singh MDHuntingdon Valley, PA · $678,848
  9. Kulathungam ManoranjithamMechanicsburg, PA · $573,690
  10. Nisha Singh, MD, PCAmbler, PA · $509,993
  11. Sabapathippillai KulathungamMechanicsburg, PA · $427,330
  12. Robert J. Balogh, Jr. Co.Lebanon, PA · $351,376
  13. Fadugba OlajumokeDrexel Hill, PA · $293,400
  14. Carlos Daniel RoseChadds Ford, PA · $138,051
  15. Colella Consulting LLCGibsonia, PA · $82,650
  16. Kleppel Judy MD PHPhiladelphia, PA · $80,121
  17. Douglas BigelowMedia, PA · $43,725
  18. Pathology Assoc of Nepa, LTD.Dunmore, PA · $22,703
Top firms by certification in Pennsylvania, with primary NAICS code 621111 (Offices of Physicians (except Mental Health Specialists)) (WOSB and SDVOSB)

Top Women-owned small businesses in Pennsylvania, with primary NAICS code 621111 (Offices of Physicians (except Mental Health Specialists))

  1. The Axon Group, LTDElkins Park, PA · $1.1 million

Top Service-disabled veteran-owned in Pennsylvania, with primary NAICS code 621111 (Offices of Physicians (except Mental Health Specialists))

  1. Ethos Solutions LLCFlourtown, PA · $2.8 million

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.

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