Company lists · Data refreshed September 2026

Top 25 Greenhouse staffing companies based in Canada

Name: Greenhouse staffing companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 72 companies tracked

RevenueBase identified 72 greenhouse staffing companies headquartered in Canada as of September 2026 and tracks 707 professional contacts across them, including 201 with verified work emails. Leamington is the largest hub.

This list covers greenhouse staffing companies headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

72Companies

707Contacts tracked

201Verified emails

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The 25 largest greenhouse staffing companies based in Canada

Ranked by team size

Top 25 of 72 greenhouse staffing companies based in Canada, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to greenhouse staffing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	SEF	Partial evidence	Leamington, ON, CanadaHQ checked Sep 28, 2026	51-200	87 contacts →
	Partial evidence “Since 1994, SEF® has grown from a specialized fabricator of greenhouse parts, equipment, and structures into a trusted partner delivering complete greenhouse solutions that…” Source: RevenueBase Database · checked Sep 28, 2026
2	Universal Fabricating North America	Indirect evidence	Kingsville, ON, CanadaHQ checked Sep 28, 2026	51-200	66 contacts →
	Indirect evidence “Universal Fabricating began in 2004 with two employees, in a home basement focused on manufacturing to the automotive sector.” Source: RevenueBase Database · checked Sep 28, 2026
3	Alpha Resources Limited	Partial evidence	Toronto, ON, CanadaHQ checked Sep 28, 2026	11-50	63 contacts →
	Partial evidence “ABOUT ALPHA We are a full service staffing agency, trusted for our personalized attention, tailored solutions and high quality talent match.” Source: RevenueBase Database · checked Sep 28, 2026
4	Blueforce Logistics	Indirect evidence	Mississauga, ON, CanadaHQ checked Sep 28, 2026	51-200	40 contacts →
	Indirect evidence “At Blueforce Logistics Ltd, we don’t just supply manpower, we build crews that keep projects moving.” Source: RevenueBase Database · checked Sep 28, 2026
5	GGS Greenhouse Structures INC	Partial evidence	Vineland Station, ON, CanadaHQ checked Sep 28, 2026	51-200	32 contacts →
	Partial evidence “Commercial Greenhouses Built to Last GGS has been a world-class designer, manufacturer, and installer of commercial greenhouse structures since 1979 and our greenhouses are built…” Source: RevenueBase Database · checked Sep 28, 2026
6	Agema Work	Indirect evidence	Barrie, ON, CanadaHQ checked Sep 28, 2026	51-200	27 contacts →
	Indirect evidence “Job Seekers Agema Work is committed to providing flexible job opportunities for contractors seeking experience in the hospitality and food & beverage industry.” Source: RevenueBase Database · checked Sep 28, 2026
7	Teris Corporation	Indirect evidence	Laval, QC, CanadaHQ checked Sep 28, 2026	11-50	23 contacts →
	Indirect evidence “Teris est le plus important fournisseur en services d'approvisionnement au Québec, pour les marchés agricoles, horticoles et les centres de jardins.” Source: RevenueBase Database · checked Sep 28, 2026
8	Prins Greenhouses	Partial evidence	Abbotsford, BC, CanadaHQ checked Sep 28, 2026	51-200	21 contacts →
	Partial evidence “Prins Greenhouses is Canada’s premier greenhouse building company with 45 years of experience in providing turn-key greenhouse solutions.” Source: RevenueBase Database · checked Sep 28, 2026
9	JH World Services INC	Partial evidence	Etobicoke, ON, CanadaHQ checked Sep 28, 2026	11-50	21 contacts →
	Partial evidence “JH World Services Inc, is a holding company that provides high quality staffing and cleaning services for other companies with the most suitable staff for their cleaning, general…” Source: RevenueBase Database · checked Sep 28, 2026
10	Goliath Grower Services	Partial evidence	#, ON, CanadaHQ checked Sep 28, 2026	1-10	17 contacts →
	Partial evidence “Working with Growers, Greenhouses and Independent Garden Centres \| Merchandising, Recruiting, Sales Support and more” Source: RevenueBase Database · checked Sep 28, 2026
11	Westbrook Greenhouse Systems	Partial evidence	Beamsville, ON, CanadaHQ checked Sep 28, 2026	51-200	16 contacts →
	Partial evidence “Family-owned and operated commercial greenhouse manufacturer specializing in high-quality greenhouse structures, heating systems, and bench solutions.” Source: RevenueBase Database · checked Sep 28, 2026
12	Decloet Greenhouse MFG LTD	Partial evidence	Simcoe, ON, CanadaHQ checked Sep 28, 2026	51-200	14 contacts →
	Partial evidence “DeCloet Greenhouse Mfg Ltd is a transportation/trucking/railroad company based out of STN MAIN, SIMCOE, Ontario, Canada.” Source: RevenueBase Database · checked Sep 28, 2026
13	Paul Boers Manufacturing	Partial evidence	Vineland Station, ON, CanadaHQ checked Sep 28, 2026	11-50	13 contacts →
	Partial evidence “Manufactures commercial production greenhouses and greenhouse systems.” Source: RevenueBase Database · checked Sep 28, 2026
14	Westland Greenhouse Solutions	Partial evidence	Jordan Station, ON, CanadaHQ checked Sep 28, 2026	11-50	13 contacts →
	Partial evidence “Our History is our Experience Westland Greenhouse Solutions Inc.” Source: RevenueBase Database · checked Sep 28, 2026
15	White ASH Group	Partial evidence	Toronto, CanadaHQ checked Sep 28, 2026	1-10	12 contacts →
	Partial evidence “White Ash Group is North America's premiere choice for Cannabis focused recruitment, staffing and executive search.” Source: RevenueBase Database · checked Sep 28, 2026
16	Ruthven Greenhouse Construction LTD	Partial evidence	Leamington, ON, CanadaHQ checked Sep 28, 2026	51-200	11 contacts →
	Partial evidence “RGC, Ruthven Greenhouse Construction, was created by the Neufeld Brothers over 25 years ago.” Source: RevenueBase Database · checked Sep 28, 2026
17	Tessier	Indirect evidence	St-damase, QC, CanadaHQ checked Sep 28, 2026	11-50	9 contacts →
	Indirect evidence “Fort de près de 45 ans d’expérience, Tessier est une entreprise qui fabrique et installe des structures de serres et tunnels chenilles s’adaptant à plusieurs types de climat et…” Source: RevenueBase Database · checked Sep 28, 2026
18	Enertec Engineering	Partial evidence	Beamsville, ON, CanadaHQ checked Sep 28, 2026	1-10	9 contacts →
	Partial evidence “Enertec Engineering is a leader in the greenhouse industry specializing in indoor growing systems.” Source: RevenueBase Database · checked Sep 28, 2026
19	TEAL	Partial evidence	St John’s, NL, CanadaHQ checked Sep 28, 2026	51-200	9 contacts →
	Partial evidence “Teal is a fast growing, temporary placement staffing company headquartered in St.” Source: RevenueBase Database · checked Sep 28, 2026
20	Richmond Staffing	Partial evidence	Richmond Hill, ON, CanadaHQ checked Sep 28, 2026	11-50	8 contacts →
	Partial evidence “Richmond Staffing excels in propelling the Canadian Manufacturing, Food Production, Hospitality, Cannabis and Consumer Packaged Goods sectors forward by expertly matching them…” Source: RevenueBase Database · checked Sep 28, 2026
21	Dynamo Electric	Partial evidence	Lacombe County, AB, CanadaHQ checked Sep 28, 2026	11-50	7 contacts →
	Partial evidence “Dynamo Electric is a locally renowned as greenhouse control specialists with the expertise to handle the complexity of any large-scale greenhouse, commercial or agricultural…” Source: RevenueBase Database · checked Sep 28, 2026
22	Four Season Employment	Indirect evidence	Cambridge, ON, CanadaHQ checked Sep 28, 2026	51-200	6 contacts →
	Indirect evidence “Four Seasons Employment supports wide range of blue-collar industries, including construction, manufacturing and logistics, waste and recycling, and hospitality.” Source: RevenueBase Database · checked Sep 28, 2026
23	JBR Staffing Solutions	Partial evidence	New Westminster, CanadaHQ checked Sep 28, 2026	11-50	6 contacts →
	Partial evidence “JBR Staffing Solutions is a company in Greater Vancouver, British Columbia that specializes in employee placement solutions.” Source: RevenueBase Database · checked Sep 28, 2026
24	C Y Grower Supplies LTD	Indirect evidence	Abbotsford, BC, CanadaHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “At C Y Grower Supplies Ltd, we help you grow!” Source: RevenueBase Database · checked Sep 28, 2026
25	Sigma Staffing Group	Partial evidence	Brampton, ON, CanadaHQ checked Sep 28, 2026	11-50	5 contacts →
	Partial evidence “At Sigma Staffing Group, we specialize in delivering dependable labour and warehouse staffing solutions across Canada.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: greenhouse staffing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names greenhouse staffing companies.
Partial evidence: Its own public description names part of greenhouse staffing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name greenhouse staffing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 72 greenhouse staffing companies based in Canada

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Greenhouse staffing companies based in Canada at a glance

As of Sep 28, 2026

28.4%Verified-email coverage

9.8Average contacts per company

11-50Median size (employees)

6.9%Largest-city concentration · Leamington

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 72 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among greenhouse staffing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Canada whose own description of what they do matches “greenhouse staffing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names greenhouse staffing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among greenhouse staffing companies, and records with no verified work email. Companies headquartered outside Canada are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 201 across the full list. 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 September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names greenhouse staffing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many greenhouse staffing companies are there based in Canada?

RevenueBase identified 72 greenhouse staffing companies headquartered in Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

SEF, headquartered in Leamington, tops this list with the largest team on record.

Which city has the most greenhouse staffing companies?

Leamington leads with 5 headquartered companies, followed by Vineland Station (4) and Abbotsford (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 201 verified decision-maker contacts tracked across these 72 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.