Company lists · Data refreshed September 2026

Top 22 Phase one environmental site assessments worldwide

RevenueBase identified 71 company matches for phase one environmental site assessments worldwide as of September 2026 and tracks 334 professional contacts across them, including 145 with verified work emails. The United States is the largest market and Charlotte the largest hub.

This list covers company matches for phase one environmental site assessments worldwide, 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 September 20, 2026. Country and city lists for phase one environmental site assessments follow the table.

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 Sep 20, 2026 How this list was built
71Companies
334Contacts tracked
145Verified emails
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The 22 largest phase one environmental site assessments worldwide

Ranked by team size
Top 22 of 71 company matches for phase one environmental site assessments worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchToronto, ON, CanadaHQ recorded Sep 20, 202651-200111 contacts →

Exact match

“ERIS is a leading provider of detailed environmental property risk research.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchMontreal, QC, CanadaHQ recorded Sep 20, 202651-20039 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchNyköping, SwedenHQ recorded Sep 20, 20261-1011 contacts →

Exact match

“Vi kan miljöundersökningar.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchUnited StatesHQ recorded Sep 20, 202611-5010 contacts →

Exact match

“Troy Risk provides services in several areas.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchSan Bernardino, CA, United StatesHQ recorded Sep 20, 202611-505 contacts →

Exact match

“GEM performs unbiased assessments of residential, commercial, industrial, and manufacturing properties.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchBabylon Village, NY, United StatesHQ recorded Sep 20, 202611-505 contacts →

Exact match

“Located in New York, Castleton Environmental remains at the forefront of the ever-evolving field of environmental risk management.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchSão Paulo, BrazilHQ recorded Sep 20, 20261-105 contacts →

Exact match

“A Phase I ESA (Preliminary Environmental Site Assessment in Brazil) is a report prepared for a real estate property that identifies potential or existing environmental…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchEdmonton, AB, CanadaHQ recorded Sep 20, 20261-104 contacts →

Exact match

“Vista offers Phase I, II, and Environmental Site Assessments to the Commercial Banking and Commercial Real Estate industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchMarkham, ON, CanadaHQ recorded Sep 20, 20261-103 contacts →

Exact match

“We are experienced and competent in completing Environmental Record of Site Conditions, Environmental Site Assessments (Phase I, II ESAs), soil and groundwater remediation…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchUnited StatesHQ recorded Sep 20, 20261-103 contacts →

Exact match

“ePhase analyzes environmental liabilities and helps businesses overcome environmental obstacles.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchHanover, PA, United StatesHQ recorded Sep 20, 20261-102 contacts →

Exact match

“We specialize in Phase I ESAs, Phase 2 investigations, limited due diligence projects and peer reviews allowing us to be your advocate when purchasing a property with potential…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchRotorua, New ZealandHQ recorded Sep 20, 20261-102 contacts →

Exact match

“Geohazard Environmental Ltd investigates contaminated sites!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchLexington, KY, United StatesHQ recorded Sep 20, 20261-102 contacts →

Exact match

“Founded by Steve Jones in our company has built a reputation for delivering thorough, timely, and lender-friendly environmental reporting without delays or inflated costs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchRosharon, TX, United StatesHQ recorded Sep 20, 20261-102 contacts →

Exact match

“Opal Environmental specializes in environmental due diligence and building inspection services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchUnited StatesHQ recorded Sep 20, 202651-2001 contacts →

Exact match

“Environmental for SBA and conventional lending.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchMadison, OH, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“We provide environmental consulting, specializing in phase 1 and 2 environmental site assessments.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchGrimsby, ON, CanadaHQ recorded Sep 20, 20261-101 contacts →

Exact match

“Our group provides the client with comprehensive Phase I, II, and Environmental Site Assessments at commercial, residential, or industrial properties to meet the environmental and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchFairfax, VA, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchTowson, MD, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“VETERAN OWNED & OPERATED ** Nearly 50 years of straightforward, honest business practice has established Nutshell as one of the most trusted, reliable, and experienced…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchUnited StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“Stephen A.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchColumbus, OH, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchLethbridge, AB, CanadaHQ recorded Sep 20, 20261-101 contacts →

Exact match

“Nexus Environmental Services is dedicated to your success.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 22 of 71 phase one environmental site assessments worldwide

See the full list, filter by size, metro and specialty, and access 145 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Phase one environmental site assessments worldwide at a glance

As of Sep 20, 2026
43.4%Verified-email coverage
4.7Average contacts per company
1-10Median size (employees)
2.8%Largest-city concentration · Charlotte
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
53
11-50
14
51-200
4

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for phase one environmental site assessments are linked below.
What qualifies
Company records worldwide whose business descriptions match “phase one environmental site assessments” 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. 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 145 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 September 20, 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.

Phase one environmental site assessments by location

1 lists · largest first

Every Phase one environmental site assessments list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “phase one environmental site assessments”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many phase one environmental site assessments are there worldwide?

RevenueBase identified 71 company matches for phase one environmental site assessments worldwide as of September 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?

ERIS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most phase one environmental site assessments?

The United States leads with 45 companies. Every phase one environmental site assessments list by country and city is linked on this page.

Which city has the most phase one environmental site assessments?

Charlotte leads with 2 company records, followed by Lethbridge (2) and Lexington (2).

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 145 professional contacts with verified work emails tracked across these 71 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 September 20, 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.