Company lists · Data refreshed October 2026

Top 25 Construction and site maintenance contractors based in Toronto, Canada

Name: Construction and site maintenance contractors based in Toronto, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 103 companies tracked

RevenueBase identified 103 company matches for construction and site maintenance contractors associated with Toronto, Canada as of October 2026 and tracks 3,686 professional contacts across them, including 1,481 with verified work emails. Across Canada, Toronto is the largest hub for this category.

This list covers company matches for construction and site maintenance contractors associated with Toronto, Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 10, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 10, 2026 How this list was built

103Companies

3,686Contacts tracked

1,481Verified emails

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The 25 largest construction and site maintenance contractors based in Toronto, Canada

Ranked by team size

Top 25 of 103 company matches for construction and site maintenance contractors based in Toronto, Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Black & Mcdonald Limited	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	5,001-10,000	2,670 contacts →
	Exact match “Black & McDonald is an integrated, multi-trade service provider that safely delivers high-quality construction, facilities management, and technical solutions.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	Fermar	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	51-200	115 contacts →
	Exact match “BUILDING ONTARIO'S ROADWAYS FOR OVER 50 YEARS OUR ABILITY IS DEFINED BY OUR EXPERIENCE Fermar Paving Limited is a fully-integrated general contractor operating in the GTA…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	BDA INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	51-200	78 contacts →
	Exact match “BDA Inc.\| COR®-certified \| Award-winning Construction Firm \| Based in Toronto, ON Founded in 1997, BDA Inc.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	Brook Restoration LTD	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	201-500	75 contacts →
	Exact match “Trusted as the preeminent building and public infrastructure restoration contractor in Canada that is sought after for our commitment to safety, quality, value, innovation, and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	Mform Construction Group	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	51-200	74 contacts →
	Exact match “Specializing in providing full-service professional construction, project management and general contracting within the commercial interior, hospitality, retail, healthcare and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	Whiterose Janitorial Services	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	501-1,000	71 contacts →
	Exact match “Whiterose Janitorial Services Ltd.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	UCC Group INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	201-500	51 contacts →
	Exact match “UCC Group is a North America wide provider of integrated specialty sitework construction services.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	MGI Construction Corp	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	51-200	40 contacts →
	Exact match “When it comes to choosing a contractor or sub-contractor, experience counts.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Multiseal	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	51-200	33 contacts →
	Exact match “Contracting in the construction industries, including; Complete Thermal and Moisture Protection for high rise structures, Asphalt Services including paving, granulars bases…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	Mr. MOW IT ALL	Exact match	Toronto, CanadaHQ recorded Oct 10, 2026	51-200	32 contacts →
	Exact match “Mr.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	Primary Construction INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	11-50	23 contacts →
	Exact match “At Primary Construction Inc, we redefine what it means to deliver exceptional construction services.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	Renokrew	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	11-50	23 contacts →
	Exact match “We're a family-owned leader in construction, specializing in ICI (industrial, commercial, and institutional) projects across Ontario.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	Elviano	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	11-50	19 contacts →
	Exact match “Elviano’s comprehensive range of services extends beyond our specialty in residential and commercial construction to include design consultation and major renovations.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14	FOX Contracting LTD	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	11-50	18 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15	RDI Construction Company LTD	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	51-200	14 contacts →
	Exact match “We are a family business operating since 2005.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16	Terco Construction LTD	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	11-50	11 contacts →
	Exact match “Terco Construction Ltd, based in Toronto, Ontario, is a leading general contractor specializing in ICI, retail, and hospitality projects since 2005.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17	Eama INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	11-50	11 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	Blue OAK Building Corporation	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	11-50	10 contacts →
	Exact match “Elevate your commercial or multi-residential space.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19	Corvin Building Maintenance	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	n/a	10 contacts →
	Exact match “For hundreds of clients across Canada and various international locations, CORVIN is a reliable, one-stop service provider for all your facility maintenance and emergency…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20	Rockwell Infrastructure INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	11-50	8 contacts →
	Exact match “Rockwell Infrastructure is a construction company located in Toronto specializing in heavy civil construction primarily in industrial, commercial and institutional (ICI) projects…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21	Hady Construction Associates	Exact match	Toronto, CanadaHQ recorded Oct 10, 2026	11-50	8 contacts →
	Exact match “Since 1952, HADY Construction Associates (a member of the Sorbara Group of Companies) has been a leader in Industrial and Commercial Construction.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22	Canmar Contracting Limited	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	51-200	7 contacts →
	Exact match “CanMar Contracting Limited is a leading construction company based in Canada, specializing in structural restoration across Canada.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23	RMC Rodas Mcknight Constructors INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	1-10	6 contacts →
	Exact match “RMC is a Toronto-based General Contracting company known for successfully delivering various Commercial, Industrial, and Institutional projects across Southern Ontario for some of…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24	Suncity Development Limited	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	1-10	6 contacts →
	Exact match “Founded in Suncity started out as a general contractor for gas station development, but as opportunities arrived, Suncity branched out as a general contractor and project…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25	Servocraft Limited	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	11-50	5 contacts →
	Exact match “Servocraft Limited is a construction company based out of 325 Lesmill Rd, Toronto, Ontario, Canada.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “construction and site maintenance contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 103 construction and site maintenance contractors based in Toronto, Canada

See the full list, filter by size, metro and specialty, and access 1,481 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Construction and site maintenance contractors based in Toronto, Canada at a glance

As of Oct 10, 2026

40.2%Verified-email coverage

35.8Average contacts per company

11-50Median size (employees)

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency for this list is measured across the whole Canada list rather than for Toronto, so it is reported there. Company counts and contact totals on this page are exact for Toronto, over 103 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Toronto, Canada whose business descriptions match “construction and site maintenance contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 1,481 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on October 10, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Construction and site maintenance contractors by metro in Canada

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “construction and site maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many construction and site maintenance contractors are there based in Toronto, Canada?

RevenueBase identified 103 company matches for construction and site maintenance contractors associated with Toronto, Canada as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Black & Mcdonald Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Canada has the most construction and site maintenance contractors?

Toronto leads Canada with 103 company records, followed by Edmonton (86) and Calgary (65).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,481 professional contacts with verified work emails tracked across these 103 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 10, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.