Industry · SIC 1623
Water, Sewer, Pipeline, Comm & Power Line Construction
25 tracked issuers filing with the SEC under this industry classification.
Issuers
25
Recent filings
40
SIC code
1623
Industry overview
Water, Sewer, Pipeline, Comm & Power Line Construction
Companies under SIC 1623 build and maintain water mains, sewer systems, storm drainage, natural gas and oil pipelines, and overhead or underground communication and power lines for municipalities, utilities, industrial campuses, and large developers. Typical customers include city public works departments, investor-owned utilities, data center operators, renewable energy projects, and master-planned community builders seeking turnkey civil and utility infrastructure. Operators face heavy capital intensity, labor shortages, right-of-way disputes, and strict environmental and safety oversight from EPA, OSHA, PHMSA, and state utility commissions. In 2024-2025, demand is shaped by federal infrastructure funding, grid hardening for wildfire and storm resilience, accelerated broadband and fiber rollout, water reuse projects in drought regions, and pipeline integrity programs driven by methane leak reduction goals. Contractors are adopting trenchless technologies, GIS-based asset management, and prefabricated modules to shorten timelines and control costs. For deeper insights, view SEC filings on Earnings Feed.
Source: Earnings Feed research · Nov 23, 2025
Latest filings
- 6-KRNTZSKK Holdings Ltd125.3 KBSEC(opens sec.gov)
- SCHEDULE 13G/APLPCSEC(opens sec.gov)
- SCHEDULE 13GDYDYCOM INDUSTRIES INC18.1 KBSEC(opens sec.gov)
- 144DYDYCOM INDUSTRIES INC4.9 KBSEC(opens sec.gov)
- 8-KESOAEnergy Services of America CORP199.9 KBSEC(opens sec.gov)
- 6-KRNTZSKK Holdings Ltd263.3 KBSEC(opens sec.gov)
- 8-KESOAEnergy Services of America CORP184.9 KBSEC(opens sec.gov)
- 8-KMYRGMYR GROUP INC.152.2 KBSEC(opens sec.gov)
- 8-KPRIMPrimoris Services Corp228.9 KBSEC(opens sec.gov)
- 10-QDYDYCOM INDUSTRIES INC9.9 MBSEC(opens sec.gov)
- 8-KESOAEnergy Services of America CORP185.0 KBSEC(opens sec.gov)
- 8-KDYDYCOM INDUSTRIES INC3.6 MBSEC(opens sec.gov)
- 8-KDYDYCOM INDUSTRIES INC139.9 KBSEC(opens sec.gov)
- 6-KRNTZSKK Holdings Ltd43.2 KBSEC(opens sec.gov)
- 144PLPCSEC(opens sec.gov)
- 6-KRNTZSKK Holdings Ltd267.2 KBSEC(opens sec.gov)
- 8-KMTZMASTEC INC644.1 KBSEC(opens sec.gov)
- SCHEDULE 13G/APRIMPrimoris Services Corp7.8 KBSEC(opens sec.gov)
- SCHEDULE 13D/AMTZMASTEC INC329.3 KBSEC(opens sec.gov)
- SCHEDULE 13D/AMTZMASTEC INC679.5 KBSEC(opens sec.gov)
- SCHEDULE 13GPRIMPrimoris Services Corp17.4 KBSEC(opens sec.gov)
- 10-QITGITG, Inc./DE/6.0 MBSEC(opens sec.gov)
- 8-KITGITG, Inc./DE/1.0 MBSEC(opens sec.gov)
- 8-KMTZMASTEC INC394.4 KBSEC(opens sec.gov)
- 8-KESOAEnergy Services of America CORP264.2 KBSEC(opens sec.gov)
- 10-QESOASEC(opens sec.gov)
- 8-KMYRGMYR GROUP INC.3.8 MBSEC(opens sec.gov)
- 8-K/APRIMPrimoris Services Corp949.7 KBSEC(opens sec.gov)
- 10-QPRIMPrimoris Services Corp10.0 MBSEC(opens sec.gov)
- 8-K/APRIMPrimoris Services Corp948.6 KBSEC(opens sec.gov)
- 8-KPRIMPrimoris Services Corp945.0 KBSEC(opens sec.gov)
- 8-KDYDYCOM INDUSTRIES INC290.8 KBSEC(opens sec.gov)
- 8-KMTZMASTEC INC169.6 KBSEC(opens sec.gov)
- SCHEDULE 13G/APRIMPrimoris Services Corp7.6 KBSEC(opens sec.gov)
- SCHEDULE 13GMYRGMYR GROUP INC.7.6 KBSEC(opens sec.gov)
- 8-KMTZMASTEC INC785.3 KBSEC(opens sec.gov)
- 10-QMTZMASTEC INC10.5 MBSEC(opens sec.gov)
- 10-QPLPCSEC(opens sec.gov)
- 8-KPLPCPREFORMED LINE PRODUCTS CO349.2 KBSEC(opens sec.gov)
- 10-QMYRGMYR GROUP INC.7.8 MBSEC(opens sec.gov)
Featured issuers
- Aegion CorpCIK 0000353020
- AMERILINK CORPCIK 0000924774
- ARGUSS COMMUNICATIONS INCCIK 0000879986
- COFLEXIPCIK 0000914225
- DUCT UTILITY CONSTRUCTION & TECHNOLOGIES INCCIK 0000742876
- DYCOM INDUSTRIES INCCIK 0000067215DY
- Energy Services of America CORPCIK 0001357971ESOA
- GOLDFIELD CORPCIK 0000042316
- INFRACOR INCCIK 0000822367
- INFRASOURCE SERVICES INCCIK 0001276827
- InfrastruX Group, Inc.CIK 0001469011
- ITG, Inc./DE/CIK 0002110117ITG
Classification
- SIC code
- 1623
- Total issuers
- 25
- Recent filings
- 40