Company lists · Data refreshed November 2026

Top 25 Low impact development firms worldwide

RevenueBase identified 130 company matches for low impact development firms worldwide as of November 2026 and tracks 1,132 professional contacts across them, including 587 with verified work emails. The United States is the largest market and Philadelphia the largest hub.

This list covers company matches for low impact development firms 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 November 6, 2026. Country and city lists for low impact development firms 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 Nov 6, 2026 How this list was built
130Companies
1,132Contacts tracked
587Verified emails
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The 25 largest low impact development firms worldwide

Ranked by team size
Top 25 of 130 company matches for low impact development firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchManchester, VT, United StatesHQ recorded Nov 6, 202651-200145 contacts →

Exact match

“Hoyle Tanner provides our clients with integrated engineering designs that utilize sustainable and low impact development principles through innovative strategies and technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNashville, TN, United StatesHQ recorded Nov 6, 2026501-1,000134 contacts →

Exact match

“Stormwater Solutions That Work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPhoenix, United StatesHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“Sustainability Engineering Group, LLC, DBA SEG International was founded as a leader in sustainable civil engineering site design.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLongwood, FL, United StatesHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“Dix.Hite + Partners, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPortland, ME, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWellington, New ZealandHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Awa Environmental is shaping stormwater to reduce flood risk, protect critical assets and infrastructure, and build resilient communities and thriving ecosystems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSingaporeHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Elmich is a leader in ecologically-minded urban landscaping, waterproofing and stormwater management We have moved!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLong Beach, CA, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Citygreen creates greener, cooler, more livable cities through innovative urban landscaping solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAuckland, New ZealandHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“At Stormwater360, we are at the forefront of stormwater management innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchFresnes-sur-escaut, FranceHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Préoccupée par les enjeux environnementaux Nidaplast Environnement propose des solutions alternatives innovantes pour - l'aménagement paysager et l'infiltration des eaux pluviales…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMontréal, QC, CanadaHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“Les Ateliers Ublo travaillent sur les questions d’aménagement et de re-développement du territoire.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBellingham, WA, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDriggs, WY, United StatesHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“Harmony Design & Engineering provides civil engineering, water resource consulting, structural engineering, landscape architecture, land planning, LEED consultation, and GIS…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHamilton, New ZealandHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“Te Miro Water provides advisory services in the green infrastructure, stormwater and flood risk management industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNewark, DE, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Landmark Science & Engineering, in operation since 1987, is a successful consulting firm offering fully integrated planning, civil engineering, site design, surveying and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCedar, MI, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Inhabitect is a full-service firm devoted to designing, building and growing all forms of green stormwater infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Studio Sustena (formerly called Roofmeadow and Roofscapes, Inc.) provides "integrated site design," which blends landscape architecture with civil engineering to create…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBeltsville, MD, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“The Low Impact Development Center (LID Center) works both independently and in partnership with numerous research organizations, private entities, and other non-profit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNew Orleans, LA, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Dana Brown & Associates is the collaborative creation of landscape architects and planners who have practiced in diverse professional realms and geographic regions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Nov 6, 20261-109 contacts →

Exact match

“EcoSolutions LLC is an engineering consulting and design firm that specializes in low impact design (LID) principles for innovative wastewater, stormwater and site planning…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBaltimore, MD, United StatesHQ recorded Nov 6, 20261-108 contacts →

Exact match

“CityScape Engineering is a civil engineering firm specialized in the design of green infrastructure, stormwater management practices, and wet utilities (stormdrain, sanitary…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMilwaukee, WI, United StatesHQ recorded Nov 6, 20261-108 contacts →

Exact match

“The goal of PaveDrain, LLC is to be the leader in the marketing and manufacturing of permeable pavement designs that balance the delicate synergy between economics and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBrooklyn, NY, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Local Office Landscape & Urban Design seeks to ameliorate the impact of cities on the sea.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGallatin, TN, United StatesHQ recorded Nov 6, 20261-107 contacts →

Exact match

“GreenLID Design is a Middle Tennessee-based engineering firm specializing in civil and environmental engineering, permitting, and land use consulting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 130 low impact development firms worldwide

See the full list, filter by size, metro and specialty, and access 587 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Low impact development firms worldwide at a glance

As of Nov 6, 2026
51.9%Verified-email coverage
8.7Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · Philadelphia
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
95
11-50
28
51-200
6
501-1,000
1

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 low impact development firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “low impact development firms” 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 587 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 November 6, 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.

Low impact development firms by location

1 lists · largest first

Every Low impact development firms 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 “low impact development firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many low impact development firms are there worldwide?

RevenueBase identified 130 company matches for low impact development firms worldwide as of November 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?

Hoyle, Tanner & Associates, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most low impact development firms?

The United States leads with 85 companies. Every low impact development firms list by country and city is linked on this page.

Which city has the most low impact development firms?

Philadelphia leads with 3 company records, followed by Portland (3) and Auckland (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 587 professional contacts with verified work emails tracked across these 130 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 November 6, 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.