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Dewar Industrial Services Inc

Dewar provides construction and maintenance services to power generation, institutional, commercial, and industrial clients.

Construction
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Headquarters
Oshawa, Ontario, CanadaSource: RevenueBaseRetrieved October 13, 2026
Employee range
201 to 500Source: RevenueBaseRetrieved October 13, 2026
Founded
1957Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
28 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Dewar Industrial Services Inc do?

Dewar provides industrial site services including scaffold, insulation, civil construction, and supporting trades. Dewar specializes in abatement of heavily contaminated sites, including demolitions, and provides complex project solutions.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

Dewar serves power generation, institutional, commercial, and industrial clients.

What the business offers

Services & capabilities.

Construction and maintenance services

Construction and maintenance services are provided to power generation, institutional, commercial, and industrial clients.

Source: LinkedIn company description · Retrieved October 13, 2026

Industrial site services

Includes scaffold, insulation, civil construction, and supporting trades for mechanical and electrical contractors.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWDewar Industrial Services Inc listed #5 on Energy facility maintenance companies, October 11, 2026Open the published source list.
Dewar Industrial Services Inc

#5 Energy facility maintenance companies

Snapshot: October 11, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 15, 2026, September 16, 2026, September 19, 2026, September 20, 2026, September 27, 2026, October 8, 2026, October 9, 2026 and October 11, 2026. How the company lists are built.

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