NAICS 237Subsector · 3-digitregional market5 market records

Heavy and civil engineering construction

This subsector comprises establishments whose primary activity is the construction of entire engineering projects (e.g., highways and dams), and specialty trade contractors, whose primary activity is the production of a specific component for such projects. Establishments may produce new construction, or undertake additions, alterations, or maintenance and repairs to existing structures and works. Establishments in this subsector are classified based on the types of structures that they construct. — Statistics Canada, NAICS 2022A

Establishments · CanadaA
9,163
with employees
Under 10 employeesA
64%
most common size: 1–4
Establishments · USA
38,214
Employment · USA
1,012,455
26 per establishment
Payroll · USA
$87.8B
$87k per employee
01

Size and shape

How many businesses there are and how small they are. Fragmentation is the first thing an entrant — or anyone selling software into this industry — needs to know, and it is one of the few things that is actually measured.

Canadian establishments by number of employeesA

1–44,43748%
5–91,42816%
10–191,14012%
20–491,07812%
50–995796%
100–1993113%
200–4991462%
500+440%

Of 9,163 Canadian establishments with employees, 64% have fewer than ten — mostly small operators.

Where they areA

Ontario2,55028%
Alberta2,08123%
British Columbia1,85420%
Quebec1,30214%

Largest four provinces by establishment count. Establishments with employees only — sole operators with no payroll are not in this table, so in trades and personal services the true number of businesses is higher.

How many new establishments are still tradingA
Construction, US · opened 2020
83.2%
1 year
68.2%
3 years
56.5%
5 years
42.6%
10 years
opened 2015

Measured, not forecast: the share of US establishments opening in one year that were still active later. It counts good operators and bad ones together, which is exactly why it is the honest answer to “what are the odds”. It is for the whole sector rather than this market, and the ten-year figure comes from an older cohort because no younger one has reached ten years.

02

How businesses here compete

The structural profile of subsector 237, which every industry beneath it inherits. This is analyst judgment from how the subsector is organised — not research into this industry, and not a measurement.

regional competitionhigh capitalUNVERIFIED

Equipment-heavy and bonded, won on the lowest compliant bid. A market of established regional firms with their own pits and plants.

Who sets the price
Public owners, by low-bid tender.
The software it runs on
Heavy-civil estimating, fleet telematics, project controls.
03

Market screens and studies

Market-entry records filed along this branch of the hierarchy. A record at or beneath this code is about this industry; one above it is about something wider that contains it.

Operating businessScreenedfiled at 2371
Utility System ConstructionOne thing must be true
binding constraint: distribution

The demand is unusually good — fibre builds, water main renewal and electrical distribution all carry funded multi-year programmes — and the work is awarded almost entirely through prequalified bid lists held by utilities and municipalities. Getting onto those lists requires bonding, safety record and prior work of the same type, which is the circular barrier facing every new entrant. Adjacent to the grid study at 221121, which found the same buyers and a different wedge.

NAICS 23715 vendors named11 sourced figuresOpen →
Operating businessScreenedfiled at 2372
Land Subdivision & DevelopmentStructure decides
binding constraint: capital intensity

Entitlement is the product: buy raw land, carry it through rezoning and servicing, sell lots. That process runs three to seven years with no revenue, funded by equity that cannot be recalled, against a municipal approval that can be refused at the end. It is the highest-variance market in this research and the one least suited to a first-time operator without a balance sheet.

NAICS 23724 vendors named11 sourced figuresOpen →
Operating businessScreenedfiled at 2373
Road Paving & Highway ContractingStructure decides
binding constraint: capital intensity

Roads are rebuilt whether or not the economy is growing, the owner is a government that pays, and the record at Utility System Construction already covers the prequalification-and-bonding gate that guards all public civil work. This group has a second, harder gate behind that one. Public paving is awarded to the lowest compliant bid, and the lowest bid belongs to whoever has the cheapest hot-mix asphalt delivered to the job — which means whoever owns the asphalt plant, the quarry feeding it and the liquid-asphalt supply nearest the road. The consolidators say so in their filings. Construction Partners describes its strategy as vertical integration across hot-mix plants, paving, aggregates and liquid asphalt; in fiscal 2025 it grew revenue 54% to US$2.81B, only 8.4% of it organic, by buying five companies that brought 27 asphalt plants, four aggregate facilities and an asphalt terminal [A]. In Ontario, Colas paid C$913M for Miller McAsphalt — about C$1.3B of revenue at a 7% operating margin — to get road crews and the national bitumen terminal network together [A]. An entrant with pavers and a bond but no plant buys its mix from the firm it is bidding against. The size bands fit: 38% of the 2,092 establishments have twenty or more employees, and the US average is 33 per establishment. The reachable fringe — driveways, parking lots, sidewalk work — is real but is private paving, not this market.

NAICS 23735 vendors named11 sourced figuresOpen →
Operating businessScreenedfiled at 2379
Marine Construction & Dredging ContractorStructure decides
binding constraint: capital intensity

The pre-screen called this the corner of heavy civil where a small contractor can still get in, and the business counts half agree: 62% of the 1,430 Canadian establishments have fewer than ten employees [A]. But the code holds two different businesses. The open end — parks, trails, drainage, small shoreline work — is open because nothing protects it: any contractor with an excavator can bid a municipal tender, and it meets the same prequalification and bonding wall that cut Utility System Construction (2371), without that record's funded programmes behind it. The end that is protected is on the water, and what protects it is the fleet. Great Lakes Dredge & Dock, the largest US dredger, reported record 2025 revenue of $888.3M and spent $143.9M on capital in the same year — sixteen cents of every revenue dollar — of which $69.1M went into a single vessel, the Acadia, and $32.3M into another [A]. In February 2026 it agreed to be bought by Saltchuk for $17.00 a share, a $1.5B transaction [A]: the price of a working fleet with its crews and its backlog, which fell from $1.2B to $763.2M of dredging work in the year [A]. Marine work is awarded to the contractor who already owns the barge, the crane and the dredge and can show them working. An entrant has to buy the plant before it can qualify to bid, then keep it busy on lumpy public tenders. The enterable end is undefended; the defended end is bought with steel.

NAICS 23794 vendors named11 sourced figuresOpen →
04

Software serving this industry

The vertical software markets filed along the same branch — who sells to these businesses and who they would have to displace — and then the generic categories every business buys whatever it does.

05

Companies in this industry · 21

Every company this research names that is filed here or beneath — the operators, and the vendors that sell to them — largest disclosed revenue first. The rank is within the company’s own six-digit industry.

CompanyFiled underRevenueRank
CRHPrivateHighway, street and bridge construction2373$37.4B1/4
Quanta ServicesPrivateUtility system construction2371$28.5B1/3
MastecNYSE:MTZUtility system construction2371$14.3B2/3
Dycom IndustriesNYSE:DYUtility system construction2371$5.5B3/3
Construction PartnersPrivateHighway, street and bridge construction2373$2.8B2/4
Forestar GroupNYSE:FORLand subdivision2372$1.7B1/4
Great Lakes Dredge & DockDelistedOther heavy and civil engineering construction2379$888M1/4
Builder-developers and private Canadian land companiesPrivateLand subdivision2372—2/4
ColasPrivateHighway, street and bridge construction2373—3/4
Command AlkonPrivateHeavy and civil engineering construction237—1/6
HCSSPrivateHeavy and civil engineering construction237—2/6
InEightPrivateHeavy and civil engineering construction237—3/6
KojoPrivateHeavy and civil engineering construction237—4/6
Manson ConstructionPrivateOther heavy and civil engineering construction2379—2/4
MelcorTSX:MRDLand subdivision2372—3/4

And 6 more on the companies page.

06

Who works here

The occupations employed in Construction, most concentrated in it first. The share is measured against the whole sector, not this industry — the published cross-tabulation stops there.

Tagged to this industry

Concentrated in this sectorA

These jobs are mostly done here. An operator in this industry is competing for them against others in the same industry, not against the whole economy.

And the jobs every business has

Found across at least fourteen of the twenty sectors. In a small establishment several of these are usually one person, or an outside provider.

All 162 occupations →

07

Inside this industry

4 rows sit directly beneath 237, and 16 in all once every level is counted. Each has a base report of its own.

Alongside it, under 23 Construction