Excavation St-Pierre et Tremblay Inc.

What Excavation St-Pierre et Tremblay Inc. does

Excavation St-Pierre et Tremblay Inc. is a privately held civil engineering and excavation contractor headquartered in Cowansville, Quebec, founded in 1994 by Dany St-Pierre and Claude Tremblay. The company delivers an integrated suite of services including commercial building excavation, sewer and aqueduct installation and replacement, demolition, road and transportation infrastructure (voirie), pumping station construction, septic system and purification field installation, site decontamination, and exterior site development. It serves three primary customer segments — municipal, commercial/industrial, and residential — across the Estrie and Montérégie regions of Quebec, executing project-based contracts under a direct sales model via phone and web-based quote requests.

The firm's operational base includes a company-owned sand bank in West Brome and a crushed stone quarry, providing vertically integrated aggregate supply at direct manufacturer pricing. Technical capabilities include robotic-guided leveling systems for precision excavation and a P-6C certified workforce for aqueduct operations, alongside licensed demolition credentials and independent laboratory qualification for contaminated site decontamination. The company's core technology is civil engineering equipment and project execution rather than software or data-driven systems, with no AI/ML, API, or digital platform components disclosed.

Revenue is generated through one-time project contracts with no subscription, licensing, or recurring revenue streams disclosed. Pricing is provided on a quote basis upon request and is not publicly posted. The company markets primarily through its website and a Facebook page, and does not disclose headcount, revenue, backlog, or project pipeline data. There is no evidence of external investment, private equity backing, acquisition activity, or expansion beyond its existing two-region Quebec footprint.

Name

Excavation St-Pierre et Tremblay Inc.

Legal name

Excavation St-Pierre & Tremblay Inc.

Website

https://excavationst.com

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

11–50 employees

Short description

Excavation St-Pierre et Tremblay is a Quebec-based civil engineering and excavation contractor founded in 1994, serving municipal, commercial/industrial, and residential clients in the Estrie and Montérégie regions with excavation, sewer/aqueduct, demolition, roadwork, and site development services.

Ownership category

akta.pro rank

Product category

Civil Engineering and Excavation Services

NAICS

Heavy and Civil Engineering Construction (237), Water and Sewer Line and Related Structures Construction (237110), Site Preparation Contractors (23891), Other Heavy and Civil Engineering Construction (237990), Nonmetallic Mineral Mining and Quarrying (2123)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400), Construction - Special Trade Contractors (1700)

akta.pro primary industry

Mass Excavation & Bulk Earthmoving (Cut/Fill, Grading) (IMAFAKAC)

akta.pro secondary industries

Trenching & Utility Excavation (IMAFAKAD), Demolition Equipment (Breakers, Crushers, Shears) (IMAHAAAL), Construction Aggregates Mining & Processing (Sand, Gravel, Crushed Stone) (IMADAAAI), Rock Excavation, Blasting & Quarry-Assist Works (IMAFAKAE)

Keywords

• Civil engineering services
• Excavation services
• Sewer and water systems
• Demolition services
• Road construction

Headquarters

HQ city

Cowansville

HQ country

Canada

HQ region

North America

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales

Revenue model

1. Construction and excavation services: One-time project-based revenue from civil engineering, excavation, demolition, and related construction services for residential, commercial, industrial, and municipal clients. Revenue generated through project contracts and direct service provision.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Excavation St-Pierre & Tremblay is a civil engineering contractor providing excavation, sewer and aqueduct, demolition, decontamination, roadwork, pumping station, and exterior site development services to residential, commercial, industrial, and municipal clients in Quebec. The company also operates a sand bank and crushed stone quarry in West Brome supplying aggregates directly to its own projects and external customers.

Product overview

Excavation St-Pierre & Tremblay is a civil engineering company founded in 1994 offering a unified suite of excavation and construction services. The company operates as a single integrated service provider combining residential, commercial, and municipal civil engineering capabilities including sewer and water systems (égout & aqueduc), excavation, demolition, decontamination, exterior landscaping, pumping stations, and road work (voirie). The portfolio includes supporting operations such as a sand bank in West Brome and crushed stone quarry for direct aggregate supply at competitive prices. Services are supported by P-6C certified workforce for water systems and robotic guidance leveling technology for precision excavation.

Differentiator

Problem solved

Functional benefit

Products and services

• Commercial Building Excavation (Excavation de bâtiments commerciaux)

Quantifiable outcome

• Environmental rehabilitation of contaminated sites in compliance with standards

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators1 record

Recent moves6 records

Expansion highlights3 records

Direct peers

• Roxboro Excavation: Roxboro is a Quebec- and Ontario-based heavy civil contractor providing excavation, roadwork, sewer/water, demolition, and environmental remediation — a close functional and geographic comparable to Excavation St-Pierre & Tremblay's integrated service model.
• Construction DJL: Construction DJL is a Quebec civil works contractor performing excavation, underground utilities, roadwork, and municipal infrastructure projects — directly comparable in scope and regional orientation to the subject company.
• Sintra Inc. Sintra is one of Quebec's largest civil engineering and road construction contractors, offering excavation, roadwork, sewer/aqueduct, and aggregate production across the province — directly overlapping with Excavation St-Pierre & Tremblay's core services and Quebec regional footprint.
• Carrières Saint-Dominique: Carrières Saint-Dominique operates limestone and aggregate quarries in Quebec serving construction and excavation customers — comparable to the West Brome sand bank and crushed stone quarry operations owned by the subject company.
• Excavation Loiselle: Excavation Loiselle is a regional Quebec contractor offering excavation, sewer/aqueduct, demolition, and site preparation services — a small-to-mid-sized peer with a closely comparable service mix to Excavation St-Pierre & Tremblay.

Broad incumbents

• EllisDon Civil (Quebec division): EllisDon is a major Canadian construction firm with civil infrastructure, roads, and earthworks capabilities that compete with regional Quebec excavation contractors on larger municipal and infrastructure bids.
• AECON Group: Aecon is one of Canada's largest infrastructure contractors, with significant civil, roadbuilding, and utility construction operations that overlap with the company's excavation, roadwork, and sewer/aqueduct services at a national scale.
• Pomerleau: Pomerleau is a large Quebec-based general contractor with civil, building, and infrastructure capabilities. It overlaps with Excavation St-Pierre & Tremblay in civil/site preparation work but operates at much larger scale and across broader geographies.

Regional players

• BML Construction: BML Construction is a Quebec-based multi-trade contractor with civil, excavation, and site preparation capabilities — a regional peer serving similar commercial, industrial, and municipal clients in adjacent Quebec markets.

Emerging players

• Demathieu & Bard (Canada): Demathieu & Bard operates civil and infrastructure construction in Quebec and Ontario, including earthworks and utility installation, partially overlapping with Excavation St-Pierre & Tremblay's service portfolio in selected segments.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookweb.facebook.com/Excavation-St-Pierre-Tremblay-inc-269129053218238

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Excavation St-Pierre et Tremblay Inc.