NAICS Code 238310-11 - Pressure Grouting Contractors

Marketing Level - NAICS 8-Digit

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NAICS CODE 238310-11
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NAICS Code 238310-11 Description (8-Digit)

Pressure Grouting Contractors are specialized contractors who provide services to repair and strengthen concrete structures, foundations, and soil. They use a variety of techniques to inject grout into voids, cracks, and joints in order to stabilize and strengthen the structure. Pressure grouting is a process that involves injecting a mixture of cement, sand, and water into the ground or concrete structure under high pressure. This process is used to fill voids, cracks, and joints, and to improve the load-bearing capacity of the soil or structure. Pressure Grouting Contractors work on a variety of projects, including bridges, dams, tunnels, buildings, and other structures.

Parent Code - Official US Census

Official 6‑digit NAICS codes serve as the parent classification used for government registrations and documentation. The marketing-level 8‑digit codes act as child extensions of these official classifications, providing refined segmentation for more precise targeting and detailed niche insights. Related industries are listed under the parent code, offering a broader context of the industry environment. For further details on the official classification for this industry, please visit the U.S. Census Bureau NAICS Code 238310 page

Tools

Tools commonly used in the Pressure Grouting Contractors industry for day-to-day tasks and operations.

  • Grout pumps
  • Injection guns
  • Hoses
  • Mixers
  • Compressors
  • Pressure gauges
  • Drill bits
  • Chisels
  • Jackhammers
  • Concrete saws
  • Leveling equipment
  • Safety equipment
  • Gloves
  • Goggles
  • Respirators

Industry Examples of Pressure Grouting Contractors

Common products and services typical of NAICS Code 238310-11, illustrating the main business activities and contributions to the market.

  • Foundation repair
  • Soil stabilization
  • Concrete repair
  • Waterproofing
  • Structural strengthening
  • Seismic retrofitting
  • Tunnel grouting
  • Bridge repair
  • Dam repair
  • Parking garage repair

History

A concise historical narrative of NAICS Code 238310-11 covering global milestones and recent developments within the United States.

  • Pressure grouting is a technique that has been used for centuries to stabilize soil and rock formations. The first recorded use of pressure grouting dates back to the 19th century when it was used to stabilize the foundation of the Brooklyn Bridge. In the early 20th century, pressure grouting was used to stabilize the Hoover Dam. In recent years, pressure grouting has been used to repair and stabilize infrastructure such as bridges, tunnels, and highways. In the United States, the use of pressure grouting has increased in the last few decades due to the need for infrastructure repair and maintenance. For example, in 2018, the New York City Department of Transportation used pressure grouting to stabilize the foundation of the Brooklyn-Queens Expressway.