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NAICS 541990 · All Other Professional, Scientific, and Technical Services

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Professional services in Pennsylvania

6,370 professional services listed in Pennsylvania, each checked against the issuer's record. In the published order.

  1. Accu-Weather, Inc.

    ActiveCorporation registered in SAM.gov

    State College, PA

    CallAsk it
    Proof for Accu-Weather, Inc.
    SAM.gov registration
    SAM.gov NAMCFMLL6Y47
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 21, 2027
    Checked
    Oct 23, 2026
    Where
    State College, PA · serves Pennsylvania
    Phone
    (316) 266-8000
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Actco Metrology Services, CO.

    ActiveCorporation registered in SAM.gov

    Meadville, PA

    CallAsk it
    Proof for Actco Metrology Services, CO.
    SAM.gov registration
    SAM.gov X26HRS6A6KU4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 3, 2027
    Checked
    Oct 23, 2026
    Where
    Meadville, PA · serves Pennsylvania
    Phone
    (800) 382-0393
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  3. Andrew S. Mccreath & Son, Inc.

    ActiveCorporation registered in SAM.gov

    Harrisburg, PA

    CallAsk it
    Proof for Andrew S. Mccreath & Son, Inc.
    SAM.gov registration
    SAM.gov CMKJP1MHUH41
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 6, 2027
    Checked
    Oct 23, 2026
    Where
    Harrisburg, PA · serves Pennsylvania
    Phone
    (717) 364-1440
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  4. Architectural Testing, Inc.

    ActiveTax-exempt corporation registered in SAM.gov

    York, PA

    CallAsk it
    Proof for Architectural Testing, Inc.
    SAM.gov registration
    SAM.gov MFA3FBUVUMM8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    May 1, 2027
    Checked
    Oct 23, 2026
    Where
    York, PA · serves Pennsylvania
    Phone
    (717) 764-7700
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  5. Arrb Systems

    ActiveCorporation registered in SAM.gov

    Exton, PA

    CallAsk it
    Proof for Arrb Systems
    SAM.gov registration
    SAM.gov EK85HVPTT4G3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 1, 2027
    Checked
    Oct 23, 2026
    Where
    Exton, PA · serves Pennsylvania
    Phone
    (610) 321-8300
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  6. Asl Services

    ActiveSole proprietorship registered in SAM.gov

    York, PA

    CallAsk it
    Proof for Asl Services
    SAM.gov registration
    SAM.gov NTNNACJJENP4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Jan 16, 2027
    Checked
    Oct 23, 2026
    Where
    York, PA · serves Pennsylvania
    Phone
    (717) 755-3212
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  7. Astm International

    ActiveTax-exempt corporation registered in SAM.gov

    West Conshohocken, PA

    CallAsk it
    Proof for Astm International
    SAM.gov registration
    SAM.gov HW31LM5N3VT3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jul 27, 2027
    Checked
    Oct 23, 2026
    Where
    West Conshohocken, PA · serves Pennsylvania
    Phone
    (610) 832-9500
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  8. Avante Language Services

    ActiveCorporation registered in SAM.gov

    Glenside, PA

    CallAsk it
    Proof for Avante Language Services
    SAM.gov registration
    SAM.gov JNJ9UNPAWA53
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 29, 2027
    Checked
    Oct 23, 2026
    Where
    Glenside, PA · serves Pennsylvania
    Phone
    (215) 885-3575
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  9. Avo Photonics, Inc

    ActiveCorporation registered in SAM.gov

    Horsham, PA

    CallAsk it
    Proof for Avo Photonics, Inc
    SAM.gov registration
    SAM.gov FGF9KAKL2AE7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 9, 2027
    Checked
    Oct 23, 2026
    Where
    Horsham, PA · serves Pennsylvania
    Phone
    (215) 441-0107
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  10. Beam Ltd

    ActiveCorporation registered in SAM.gov

    Glenside, PA

    CallAsk it
    Proof for Beam Ltd
    SAM.gov registration
    SAM.gov XEPMPKD5ALD8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 29, 2027
    Checked
    Oct 23, 2026
    Where
    Glenside, PA · serves Pennsylvania
    Phone
    (215) 508-0900
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  11. Brandywine Science Center Inc

    ActiveCorporation registered in SAM.gov

    Kennett Square, PA

    CallAsk it
    Proof for Brandywine Science Center Inc
    SAM.gov registration
    SAM.gov CMULE8URYTM5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 22, 2027
    Checked
    Oct 23, 2026
    Where
    Kennett Square, PA · serves Pennsylvania
    Phone
    (610) 444-9850
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  12. Chatham Financial Corp

    ActiveCorporation registered in SAM.gov

    Kennett Square, PA

    CallAsk it
    Proof for Chatham Financial Corp
    SAM.gov registration
    SAM.gov VD3YJQYZ5627
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 11, 2026
    Checked
    Oct 23, 2026
    Where
    Kennett Square, PA · serves Pennsylvania
    Phone
    (610) 925-3120
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  13. Consulting Engineers & Scientists, Inc

    ActiveCorporation registered in SAM.gov

    Malvern, PA

    CallAsk it
    Proof for Consulting Engineers & Scientists, Inc
    SAM.gov registration
    SAM.gov CKGZX3WWQ3C8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 2, 2027
    Checked
    Oct 23, 2026
    Where
    Malvern, PA · serves Pennsylvania
    Phone
    (610) 296-2250
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  14. Conti Testing Laboratories

    ActiveCorporation registered in SAM.gov

    Bethel Park, PA

    CallAsk it
    Proof for Conti Testing Laboratories
    SAM.gov registration
    SAM.gov KS8JWRGVKEK9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 8, 2026
    Checked
    Oct 23, 2026
    Where
    Bethel Park, PA · serves Pennsylvania
    Phone
    (412) 854-3751
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  15. Crews Surveying LLC

    ActiveCorporation registered in SAM.gov

    Pipersville, PA

    CallAsk it
    Proof for Crews Surveying LLC
    SAM.gov registration
    SAM.gov PSPNXWAK3EK1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 11, 2026
    Checked
    Oct 23, 2026
    Where
    Pipersville, PA · serves Pennsylvania
    Phone
    (215) 766-2477
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  16. Customized Energy Solutions Ltd

    ActiveCorporation registered in SAM.gov

    Philadelphia, PA

    CallAsk it
    Proof for Customized Energy Solutions Ltd
    SAM.gov registration
    SAM.gov LAMRPC4JVNE5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 2, 2027
    Checked
    Oct 23, 2026
    Where
    Philadelphia, PA · serves Pennsylvania
    Phone
    (215) 875-9440
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  17. D.E.M. Surveying, PC

    ActiveCorporation registered in SAM.gov

    Brookville, PA

    CallAsk it
    Proof for D.E.M. Surveying, PC
    SAM.gov registration
    SAM.gov CT7PJJJR6T97
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 20, 2027
    Checked
    Oct 23, 2026
    Where
    Brookville, PA · serves Pennsylvania
    Phone
    (814) 849-8230
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  18. Data Science Automation

    ActiveOther organization registered in SAM.gov

    Canonsburg, PA

    CallAsk it
    Proof for Data Science Automation
    SAM.gov registration
    SAM.gov F79MTJUK41M9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Jun 1, 2027
    Checked
    Oct 23, 2026
    Where
    Canonsburg, PA · serves Pennsylvania
    Phone
    (724) 942-6330
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  19. Diamond Technical Services, Inc.

    ActiveCorporation registered in SAM.gov

    Blairsville, PA

    CallAsk it
    Proof for Diamond Technical Services, Inc.
    SAM.gov registration
    SAM.gov R3Q7SJEH1413
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 6, 2027
    Checked
    Oct 23, 2026
    Where
    Blairsville, PA · serves Pennsylvania
    Phone
    (724) 668-5070
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  20. Fiore Design LLC

    ActiveCorporation registered in SAM.gov

    Haverford, PA

    CallAsk it
    Proof for Fiore Design LLC
    SAM.gov registration
    SAM.gov Z63GMLVAZZL3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 30, 2027
    Checked
    Oct 23, 2026
    Where
    Haverford, PA · serves Pennsylvania
    Phone
    (484) 412-8291
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

Cities

Philadelphia 863Pittsburgh 487Lancaster 145Allentown 94Erie 85Harrisburg 82York 82West Chester 72Bethlehem 63Doylestown 56Reading 53Easton 44Wayne 43State College 41Scranton 40King of Prussia 36Mechanicsburg 35Johnstown 34Williamsport 34Pottstown 33Wilkes-Barre 31Camp Hill 29Carlisle 29Conshohocken 28

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