S.J. Louis Construction, Inc.
S.J. Louis Construction is a Minnesota-founded, privately held general contractor specializing in underground utility construction — HDD, CIPP, tunneling, and large-diameter open-cut installation — serving municipal and county governments across the United States through hard-bid public works contracts.
- Company typePrivate
- Founded1983
- HeadquartersRockville, United States
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
What S.J. Louis Construction, Inc. does
S.J. Louis Construction, Inc. is a privately held, Minnesota-incorporated general contractor founded in 1983 that specializes in underground utility construction for public-sector clients across the United States. The company is headquartered in Rockville, Minnesota, employs nearly 500 people, and operates four integrated service lines: (1) Horizontal Directional Drilling (HDD) — a trenchless installation method using rigs with 40,000 to 500,000+ lbs of pullback force capable of installing product up to 48 inches in diameter and spanning more than 7,000 feet; (2) Cured-In-Place Pipe (CIPP) — a trenchless rehabilitation method using Steam, Water, or Ultraviolet cure for pipe diameters from 6 to 120 inches; (3) large-diameter open-cut underground utilities — including gravity sewer, storm sewer, watermain, raw watermain, reclaimed watermain, and forcemain lines up to and exceeding 108 inches using fiberglass, ductile iron, PVC, steel, PCCP, concrete, HDPE, and clay pipe; and (4) tunneling — covering auger boring, guided/steerable auger boring, pipe ramming, pipe jacking, tunnel boring, earth pressure balanced tunnel boring, microtunneling, sliplining, and hand-mining, with tunnel diameters up to and exceeding 24 feet (documented tunnels up to 144 inches through hard rock and dirt, including crossings under railways, roadways/interstates, and waterways).
The company's revenue model is built on hard-bid public works contracts awarded by municipalities, counties, and public utility authorities. Pricing is project-specific and competitive; observed contract values range from approximately $3 million to over $22 million. Customer engagement is direct-to-government through field sales, with bid intake processed via the company's online Plan Room portal that requires contractor registration and captures DBE/MBE/WBE status. Documented customers include Madison Metropolitan Sewerage District, Baltimore County (MD), Harford County (MD), City of Grand Island (NE), Newport News Department of Public Utilities, City of Columbus (OH), El Paso Water Utilities, City of Columbia (SC), City of Papillion (NE), Mid-Dakota Rural Water System, and City of Grimes (IA). The firm also operates a wholly-owned transportation and logistics subsidiary, S.J. Louis Logistics, providing heavy haul, flatbed, step deck, sprinter van, and oversized load services across North America. No equity funding rounds, mergers and acquisitions, public listing, or external institutional investors are disclosed in the source material.
S.J. Louis Construction, Inc. firmographics
Firmographics- Name
- S.J. Louis Construction, Inc.
- Legal name
- S.J. Louis Construction, Inc.
- Website
- https://sjlouis.com
- Company type
- Private
- Founded year
- 1983
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- S.J. Louis Construction is a Minnesota-founded, privately held general contractor specializing in underground utility construction — HDD, CIPP, tunneling, and large-diameter open-cut installation — serving municipal and county governments across the United States through hard-bid public works contracts.
- Ownership category
- akta.pro rank
S.J. Louis Construction, Inc. industry classification
Industry- Product category
- Underground Utility Construction
- NAICS
- Water and Sewer Line and Related Structures Construction (237110), Utility System Construction (2371), Other Heavy and Civil Engineering Construction (237990)
- SIC
- Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Heavy Construction Other Than Bldg Const - Contractors (1600)
- akta.pro primary industry
- Public Works General Contracting (IMAFAAAG)
- akta.pro secondary industry
- Trenching & Utility Excavation (IMAFAKAD)
Keywords
Where S.J. Louis Construction, Inc. is headquartered
LocationHeadquarters
- HQ city
- Rockville
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
S.J. Louis Construction, Inc. business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Infrastructure, Operations, Supply Chain, Marketing or Sales, Technology or R&D
Revenue model
- Public Works Construction Contracts: Revenue generated from hard-bid public works construction projects for municipalities, counties, and government authorities. Projects include underground utility installation, tunneling, and HDD services for sanitary sewer, storm sewer, watermain, and related infrastructure.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels2 records
S.J. Louis Construction, Inc. product offering
Product offeringCore offering
S.J. Louis Construction is a national general contractor specializing in underground utility construction for public-sector clients. The company installs large-diameter sanitary sewers, storm sewers, watermains, raw watermains, reclaimed watermains, and forcemains using both open-cut and trenchless methods, including Horizontal Directional Drilling (HDD), Cured-In-Place Pipe (CIPP) rehabilitation, and various tunneling techniques (Auger Boring, Microtunneling, TBM, Pipe Jacking, Hand-Mining). Services are delivered via hard-bid public works contracts for municipalities, counties, and government utility authorities throughout the United States.
Product overview
S.J. Louis Construction, Inc. is a national general contractor specializing in underground utility construction since 1983. The company offers a portfolio of four integrated core services: HDD (Horizontal Directional Drilling) for trenchless utility installations up to 48" diameter and 7,000+ feet in length; CIPP (Cured-In-Place Pipe) for pipeline rehabilitation using Steam, Water, or UV methods for pipes 6" to 120" diameter; Underground Utilities for large diameter open-cut installations exceeding 108-inch using various pipe materials; and Tunneling services covering multiple methods including TBM/Microtunneling, jack and bore, pipe ramming, and hand mining for tunnel diameters up to 144". Additionally, the company operates S.J. Louis Logistics for transportation and freight services, and provides a Plan Room portal for bid submissions. The company has completed projects in multiple states including Texas, Ohio, Virginia, South Dakota, Maryland, South Carolina, and Nebraska, with project values ranging from approximately $3 million to over $22 million.
Differentiator
Problem solved
Functional benefit
Products and services
- Horizontal Directional Drilling (HDD) Trenchless underground construction method for installing utilities under water bodies, wetlands, urban settings, roadways, and buildings. Capable of installations up to 48 inches in diameter and over 7,000 feet in length, with pullback force ranging from 40,000 lbs to over 500,000 lbs. Served across gas, oil, water, sewer, power, and communications sectors for municipal and government clients.
- Cured-In-Place Pipe (CIPP) Trenchless pipeline rehabilitation method for repairing existing water main, sewer main, gas main, and chemical pipelines. Supports Steam, Water, and Ultraviolet installation methods for pipe diameters from 6 inches to 120 inches. Eliminates the need for open-cut methods when restoring pipeline integrity for public utility clients.
- Underground Utilities (Large Diameter Open-Cut Installation) Large-diameter deep open-cut underground utility installation for Gravity Sewer, Storm Sewer, Watermain, Raw Watermain, Reclaimed Watermain, and Forcemain systems. Capable of installing pipe diameters up to and in excess of 108 inches using materials including Fiberglass, Ductile Iron, PVC, Steel, PCCP, Concrete, HDPE, and Clay. Delivered by a highly qualified team for municipal and government clients nationwide.
- Tunneling Tunneling services for underground utility installation including Auger Boring, Guided Auger Boring, Steerable Auger Boring, Pipe Ramming, Pipe Jacking, Tunnel Boring, Earth Pressure Balanced Tunnel Boring, Microtunneling, Sliplining, and Hand-Mining. Tunnel diameters up to and in excess of 24 feet, with completed tunnels up to 144 inches through hard rock and dirt. Extensive experience tunneling under railways, roadways, highways/interstates, waterways, and other above-ground obstructions for public-sector clients.
- S.J. Louis Logistics Transportation and logistics services operating across North America with a versatile fleet including flatbed and step deck trailers, heavy haul equipment with 6 and 7-axle RGN setups and 12-axle beam setups, sprinter vans, hotshots, and oversized load handling capabilities. Operates as a wholly-owned subsidiary supporting both standard freight and project-specific heavy haul needs.
Quantifiable outcome
- HDD capabilities up to 48" diameter and 7,000+ feet crossing spans
- +2 more outcomes
Companies that use S.J. Louis Construction, Inc.
Customer profileNamed customers11 records
Segments2 records
Ideal customer profiles2 records
S.J. Louis Construction, Inc. technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
S.J. Louis Construction, Inc. partnerships and signals
Strategic signalScale indicators4 records
Recent moves6 records
Expansion highlights4 records
S.J. Louis Construction, Inc. competitors and assessment
Company assessmentBroad incumbents
- MasTec: MasTec is a large publicly traded infrastructure construction firm covering communications, oil & gas, power delivery, and clean energy. Its pipeline and utility services segment overlaps with S.J. Louis's HDD and pipeline installation work for gas, water, and sewer.
- Primoris Services: Primoris operates utilities, energy, and civil infrastructure construction segments that include large-diameter pipeline and underground utility work. It competes with S.J. Louis on similar municipal and industrial underground scopes as a broader, publicly traded incumbent.
- Quanta Services: Quanta is the largest pure-play utility infrastructure services firm in North America, with a portfolio that spans electric, gas, telecom, and water infrastructure. It overlaps with S.J. Louis on underground utility and pipeline construction but at vastly greater scale and across many adjacent end markets.
- Granite Construction: Granite is a heavy civil and materials contractor with significant water resources and underground utility work in its portfolio. It is a publicly traded peer competing for the same hard-bid municipal water, sewer, and pipeline contracts that S.J. Louis targets.
Direct peers
- Michels Corporation: Michels is one of the largest North American utility and infrastructure contractors, with deep HDD, tunneling, and large-diameter pipeline capabilities that directly overlap S.J. Louis's core services. It is the most direct privately-held peer in the underground utility construction space.
- Insituform Technologies (Aegion): Aegion's Insituform subsidiary is a leading CIPP pipe rehabilitation contractor — directly comparable to S.J. Louis's CIPP service line for sewer, water main, and industrial pipeline renewal at diameters from 6" to 120".
- Mears Group: Mears specializes in HDD, pipeline construction, and trenchless installation for oil & gas, electric, and water/wastewater clients. Its trenchless focus and large-diameter pipeline work are directly comparable to S.J. Louis's HDD and underground utilities offerings.
- Oscar Renda Contracting: Oscar Renda is a privately held heavy civil and underground utility contractor focused on water, wastewater, and pipeline projects for municipal clients. Its scope of large-diameter sewer, watermain, and trenchless work closely mirrors S.J. Louis's project mix.
- Laney Group: Laney is a specialty trenchless and directional drilling contractor with HDD, direct pipe, and tunneling capabilities. It competes head-to-head with S.J. Louis on large-diameter trenchless crossings under rivers, highways, and rail.
- Sterling Infrastructure: Sterling operates heavy civil and specialty infrastructure construction segments that include underground utility, water/sewer, and large-diameter pipeline work. It is a publicly traded peer with a similar mix of public-works heavy civil projects.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
S.J. Louis Construction, Inc. social profiles
Digital presenceS.J. Louis Construction, Inc. financial estimates
Financial estimateRevenue estimate
Valuation estimate
S.J. Louis Construction, Inc. leadership team
Management profileNumber of profiles
S.J. Louis Construction, Inc. subsidiaries and ownership
Company hierarchySubsidiaries1 record
S.J. Louis Construction, Inc. funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
S.J. Louis Construction, Inc. M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about S.J. Louis Construction, Inc.
What does S.J. Louis Construction, Inc. do?
S.J. Louis Construction is a national general contractor specializing in underground utility construction for public-sector clients. The company installs large-diameter sanitary sewers, storm sewers, watermains, raw watermains, reclaimed watermains, and forcemains using both open-cut and trenchless methods, including Horizontal Directional Drilling (HDD), Cured-In-Place Pipe (CIPP) rehabilitation, and various tunneling techniques (Auger Boring, Microtunneling, TBM, Pipe Jacking, Hand-Mining). Services are delivered via hard-bid public works contracts for municipalities, counties, and government utility authorities throughout the United States.
Is S.J. Louis Construction, Inc. a public or private company?
S.J. Louis Construction, Inc. is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was S.J. Louis Construction, Inc. founded?
S.J. Louis Construction, Inc. was founded in 1983. It employs 501 to 1,000 people.
Where is S.J. Louis Construction, Inc. based?
S.J. Louis Construction, Inc. is headquartered in Rockville, United States, in the North America region.
How does S.J. Louis Construction, Inc. make money?
One revenue line is on record: public Works Construction Contracts.
Who are S.J. Louis Construction, Inc.'s main competitors?
Broad incumbents on record are MasTec, Primoris Services, Quanta Services and Granite Construction. Direct peers are Michels Corporation, Insituform Technologies (Aegion), Mears Group, Oscar Renda Contracting, Laney Group and Sterling Infrastructure.
Does S.J. Louis Construction, Inc. have an API?
No public API is recorded for S.J. Louis Construction, Inc..
What industry is S.J. Louis Construction, Inc. in?
S.J. Louis Construction, Inc.'s product category is Underground Utility Construction. Its primary akta.pro industry code is IMAFAAAG, Public Works General Contracting, with a secondary code of IMAFAKAD, Trenching & Utility Excavation. Its NAICS code is 237110 and its SIC code is 1623.