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Allied Companies

Allied Companies provides civil and environmental engineering, program management, and construction management services.

Civil Engineering
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Headquarters
Washington, District of Columbia, United StatesSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded
2007Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
34 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Allied Companies do?

Its infrastructure work spans environmental, transportation, water and wastewater, automotive, chemical, and steel sectors. Allied performed a comprehensive vulnerability assessment for the Blue Plains AWTP.

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

What the business offers

Services & capabilities.

Civil and environmental engineering

The firm provides these services to government and private clients.

Source: LinkedIn company description · Retrieved October 13, 2026

Program and construction management

The firm reports program management involvement during a wastewater treatment plant expansion.

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 PREVIEWAllied Companies listed #14 on Civil construction companies, October 9, 2026Open the published source list.
Allied Companies

#14 Civil construction companies

Snapshot: October 9, 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. Directory positions use company-contact counts from separate saved list snapshots dated September 6, 2026, September 14, 2026, September 15, 2026, September 16, 2026, September 17, 2026, September 18, 2026, September 20, 2026, September 21, 2026, September 28, 2026, September 29, 2026, October 9, 2026 and October 10, 2026. How the company lists are built. The source retrieval dates show when RevenueBase obtained these records; the source authors’ last update dates are not available. The saved independent fact check and its source evidence were revalidated on October 14, 2026.

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