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Underground utility and excavation in St. Petersburg

8 underground utility contractors in St. Petersburg. Licenses checked October 15, 2026. Contact the company you choose directly, free.

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Photo: St. Petersburg Florida skyline at sunrise 1 by Andrew Heneen, CC BY 4.0, via Wikimedia Commons

Quick answer. St. Petersburg, FL has 8 underground utility contractors listed on Florida Home Network, and 8 of them hold an active Florida license we matched to DBPR records (latest check October 15, 2026). Top ranked by Rank Score: Sullivan Environmental, Inc., K and B Sitework LLC, Pass Builders, Inc. Rankings come from public records and are never sold.

Top 8 underground utility contractors

Numbered by Rank Score. How scores work

  1. 1

    Sullivan Environmental, Inc.

    Underground utility and excavation St. Petersburg

    • State License ActiveAn active Florida license matched to this company in DBPR records. Source: Florida DBPR license search, checked 2026-10-15.
    • Clean RecordNo CILB disciplinary final order on any of its construction licenses in the last 5 fiscal years. Source: DBPR CILB discipline reports, checked 2026-10-15.
    • 20+ years in FloridaMilestones at 5, 10, 20 and 30 years, counted from the Sunbiz filing date or first license issue date. Source: Florida Sunbiz and DBPR, checked 2026-10-15.
    • +1
    • About badges
    • 20 yrs in Florida
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    Save Sullivan Environmental, Inc.
  2. 2

    K and B Sitework LLC

    Underground utility and excavation St. Petersburg

    • State License ActiveAn active Florida license matched to this company in DBPR records. Source: Florida DBPR license search, checked 2026-10-15.
    • Clean RecordNo CILB disciplinary final order on any of its construction licenses in the last 5 fiscal years. Source: DBPR CILB discipline reports, checked 2026-10-15.
    • 30+ years in FloridaMilestones at 5, 10, 20 and 30 years, counted from the Sunbiz filing date or first license issue date. Source: Florida Sunbiz and DBPR, checked 2026-10-15.
    • +1
    • About badges
    • 31 yrs in Florida
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    Save K and B Sitework LLC
  3. 3

    Pass Builders, Inc

    Underground utility and excavation St. Petersburg

    • State License ActiveAn active Florida license matched to this company in DBPR records. Source: Florida DBPR license search, checked 2026-10-15.
    • Clean RecordNo CILB disciplinary final order on any of its construction licenses in the last 5 fiscal years. Source: DBPR CILB discipline reports, checked 2026-10-15.
    • 10+ years in FloridaMilestones at 5, 10, 20 and 30 years, counted from the Sunbiz filing date or first license issue date. Source: Florida Sunbiz and DBPR, checked 2026-10-15.
    • +2
    • About badges
    • 18 yrs in Florida
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    Save Pass Builders, Inc
  4. 4

    Armstrong Utilities Contractor

    Underground utility and excavation St. Petersburg

    • State License ActiveAn active Florida license matched to this company in DBPR records. Source: Florida DBPR license search, checked 2026-10-15.
    • Clean RecordNo CILB disciplinary final order on any of its construction licenses in the last 5 fiscal years. Source: DBPR CILB discipline reports, checked 2026-10-15.
    • 10+ years in FloridaMilestones at 5, 10, 20 and 30 years, counted from the Sunbiz filing date or first license issue date. Source: Florida Sunbiz and DBPR, checked 2026-10-15.
    • +1
    • About badges
    • 19 yrs in Florida
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    Save Armstrong Utilities Contractor
  5. 5

    MTM Contractors Inc

    Underground utility and excavation St. Petersburg

    • State License ActiveAn active Florida license matched to this company in DBPR records. Source: Florida DBPR license search, checked 2026-10-15.
    • Clean RecordNo CILB disciplinary final order on any of its construction licenses in the last 5 fiscal years. Source: DBPR CILB discipline reports, checked 2026-10-15.
    • 30+ years in FloridaMilestones at 5, 10, 20 and 30 years, counted from the Sunbiz filing date or first license issue date. Source: Florida Sunbiz and DBPR, checked 2026-10-15.
    • About badges
    • 41 yrs in Florida
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    Save MTM Contractors Inc
  6. 6

    James V Iii Blume

    Underground utility and excavation St. Petersburg Licensed individual

    • State License ActiveAn active Florida license matched to this company in DBPR records. Source: Florida DBPR license search, checked 2026-10-15.
    • Clean RecordNo CILB disciplinary final order on any of its construction licenses in the last 5 fiscal years. Source: DBPR CILB discipline reports, checked 2026-10-15.
    • 10+ years in FloridaMilestones at 5, 10, 20 and 30 years, counted from the Sunbiz filing date or first license issue date. Source: Florida Sunbiz and DBPR, checked 2026-10-15.
    • +1
    • About badges
    • 15 yrs in Florida
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    Save James V Iii Blume
  7. 7

    Flagler Services

    Roofing St. Petersburg

    • State License ActiveAn active Florida license matched to this company in DBPR records. Source: Florida DBPR license search, checked 2026-10-15.
    • Clean RecordNo CILB disciplinary final order on any of its construction licenses in the last 5 fiscal years. Source: DBPR CILB discipline reports, checked 2026-10-15.
    • Certified ContractorHolds a statewide Certified license (passed the state exam), not only a locally Registered one. Source: Florida DBPR license search, checked 2026-10-15.
    • +1
    • About badges
    • 4 yrs in Florida
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    Save Flagler Services
  8. 8

    Longo Underground Construction Inc

    Underground utility and excavation St. Petersburg

    • State License ActiveAn active Florida license matched to this company in DBPR records. Source: Florida DBPR license search, checked 2026-10-15.
    • Clean RecordNo CILB disciplinary final order on any of its construction licenses in the last 5 fiscal years. Source: DBPR CILB discipline reports, checked 2026-10-15.
    • Certified ContractorHolds a statewide Certified license (passed the state exam), not only a locally Registered one. Source: Florida DBPR license search, checked 2026-10-15.
    • About badges
    • 0 yrs in Florida
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    Save Longo Underground Construction Inc

Common questions

How many underground utility contractors are listed in St. Petersburg?

8 as of October 15, 2026, of which 8 have an active Florida license matched to state records.

Does a underground utility and excavation company in Florida need a license?

Florida requires a state license for this work (DBPR CILB). Check any license at myfloridalicense.com.

Who are the top rated underground utility contractors in St. Petersburg?

By Rank Score, which uses license status, years in Florida, state discipline records and other public records: Sullivan Environmental, Inc., K and B Sitework LLC, Pass Builders, Inc.

Can companies pay to rank higher here?

No. Rank Score uses public records only. Paid plans and sponsored placements never change rankings, and sponsored placements are always labeled.

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