Company lists · Data refreshed September 2026

Top 25 Stormwater management system contractors based in the United States

Name: Stormwater management system contractors based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 18, 2026 558 companies tracked

RevenueBase identified 558 stormwater management system contractors headquartered in the United States as of September 2026 and tracks 20,248 professional contacts across them, including 8,322 with verified work emails. Houston is the largest hub.

This list covers stormwater management system contractors headquartered in the United States, 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 18, 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 18, 2026 86% judged on-target in blind review

558Companies

20,248Contacts tracked

8,322Verified emails

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The 25 largest stormwater management system contractors based in the United States

Ranked by team size

Top 25 of 558 stormwater management system contractors based in the United States, ranked by team size, largest first. Data refreshed Sep 18, 2026. RevenueBase Smart Search rates how each company's information relates to stormwater management system contractors: 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	Tetra Tech	Indirect evidence	Pasadena, CA, United StatesHQ checked Sep 18, 2026	10001+	12,999 contacts →
	Indirect evidence “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Source: RevenueBase Database · checked Sep 18, 2026
2	Herbert, Rowland & Grubic, Inc. - HRG	Partial evidence	Harrisburg, PA, United StatesHQ checked Sep 18, 2026	201-500	371 contacts →
	Partial evidence “HRG assists with the planning, design, and management of community infrastructure.” Source: RevenueBase Database · checked Sep 18, 2026
3	Felix Construction Company	Strong evidence	Phoenix, AZ, United StatesHQ checked Sep 18, 2026	201-500	178 contacts →
	Strong evidence “Felix Construction Company is a general engineering contractor and construction management company with a specific focus on: Water production facilities, well sites, booster pump…” Source: RevenueBase Database · checked Sep 18, 2026
4	Aqualis	Partial evidence	Morrisville, NC, United StatesHQ checked Sep 18, 2026	501-1,000	136 contacts →
	Partial evidence “AQUALIS is the national leader in water management, compliance and engineering, helping businesses meet complex water regulations while protecting long-term infrastructure.” Source: RevenueBase Database · checked Sep 18, 2026
5	Greenrise Technologies	Partial evidence	Nashville, TN, United StatesHQ checked Sep 18, 2026	501-1,000	135 contacts →
	Partial evidence “Stormwater Solutions That Work.” Source: RevenueBase Database · checked Sep 18, 2026
6	Water Works Engineers	Indirect evidence	Scottsdale, AZ, United StatesHQ checked Sep 18, 2026	51-200	135 contacts →
	Indirect evidence “Water Works Engineers is a leading civil and environmental engineering firm specializing in innovative and sustainable solutions for water infrastructure projects across the…” Source: RevenueBase Database · checked Sep 18, 2026
7	Donohue & Associates, INC	Indirect evidence	Sheboygan, WI, United StatesHQ checked Sep 18, 2026	51-200	129 contacts →
	Indirect evidence “Donohue & Associates is an employee-owned, multi-disciplined engineering firm dedicated to one focus: water.” Source: RevenueBase Database · checked Sep 18, 2026
8	CWE	Indirect evidence	Fullerton, CA, United StatesHQ checked Sep 18, 2026	11-50	128 contacts →
	Indirect evidence “CWE, an Apex Company, is a dynamic, award-winning civil engineering firm composed of engineers, scientists, designers, and construction support professionals.” Source: RevenueBase Database · checked Sep 18, 2026
9	ACE Pipe Cleaning INC	Indirect evidence	Kansas City, MO, United StatesHQ checked Sep 18, 2026	1,001-5,000	116 contacts →
	Indirect evidence “Ace Pipe Cleaning, Inc, headquartered in Kansas City, Missouri, is part of a nationwide network of 14 Carylon Corporation companies.” Source: RevenueBase Database · checked Sep 18, 2026
10	Stormtrap	Indirect evidence	Romeoville, IL, United StatesHQ checked Sep 18, 2026	51-200	112 contacts →
	Indirect evidence “StormTrap offers proven, leading-edge solutions for managing runoff, protecting waterways and improving the use of your property.” Source: RevenueBase Database · checked Sep 18, 2026
11	Taylor Engineering	Indirect evidence	Jacksonville, FL, United StatesHQ checked Sep 18, 2026	51-200	105 contacts →
	Indirect evidence “Since 1987, Taylor Engineering, Inc, with headquarters in Jacksonville, Florida; branch offices in Destin and Tampa, Florida; and regional staff throughout Florida and the North…” Source: RevenueBase Database · checked Sep 18, 2026
12	Lsse Civil Engineers And Surveyors	Indirect evidence	Coraopolis, PA, United StatesHQ checked Sep 18, 2026	51-200	91 contacts →
	Indirect evidence “LSSE Civil Engineers and Surveyors, founded in 1985, is a civil engineering and surveying firm that serves the municipal government/authorities, commercial, industrial…” Source: RevenueBase Database · checked Sep 18, 2026
13	D&b Engineers And Architects	Indirect evidence	Woodbury, NY, United StatesHQ checked Sep 18, 2026	201-500	87 contacts →
	Indirect evidence “Founded in 1965, D&B Engineers and Architects (D&B) is committed to improving quality of life with innovative engineering solutions in sustainable, environmentally acceptable…” Source: RevenueBase Database · checked Sep 18, 2026
14	QGS Development, INC	Partial evidence	Plant City, FL, United StatesHQ checked Sep 18, 2026	201-500	87 contacts →
	Partial evidence “CLEARING Clearing & Grubbing, Haul Off or Burn on Site Services Available EARTHWORK Dirt Excavation, Mass Grading, Hauling, and Dirt Moving Operations STORM DRAINAGE SYSTEM Pond…” Source: RevenueBase Database · checked Sep 18, 2026
15	Pace Advanced Water Engineering	Indirect evidence	Fountain Valley, CA, United StatesHQ checked Sep 18, 2026	51-200	83 contacts →
	Indirect evidence “PACE is a civil engineering firm offering advanced water resource services.” Source: RevenueBase Database · checked Sep 18, 2026
16	Larry Walker Associates	Indirect evidence	Davis, CA, United StatesHQ checked Sep 18, 2026	51-200	79 contacts →
	Indirect evidence “Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Source: RevenueBase Database · checked Sep 18, 2026
17	LEE RO	Indirect evidence	City Of Industry, CA, United StatesHQ checked Sep 18, 2026	51-200	78 contacts →
	Indirect evidence “Water: It’s a human thing.” Source: RevenueBase Database · checked Sep 18, 2026
18	Dragonfly Pond Works	Strong evidence	Raleigh-durham, FL, United StatesHQ checked Sep 18, 2026	51-200	75 contacts →
	Strong evidence “Dragonfly Pond Works is an environmental service company specializing in lake, pond, and stormwater management and beautification.” Source: RevenueBase Database · checked Sep 18, 2026
19	Staab Construction Corporation, A 100 Employee Owned Company	Partial evidence	Marshfield, WI, United StatesHQ checked Sep 18, 2026	51-200	72 contacts →
	Partial evidence “Staab Construction Corporation is one of the premier builders of municipal and industrial water and wastewater treatment systems in the Midwest.” Source: RevenueBase Database · checked Sep 18, 2026
20	Environmental Allies, INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 18, 2026	51-200	71 contacts →
	Indirect evidence “Environmental Allies offers a variety of products, services, installation, and consulting to clients across the state of Texas.” Source: RevenueBase Database · checked Sep 18, 2026
21	Alder Construction	Partial evidence	Salt Lake City, UT, United StatesHQ checked Sep 18, 2026	51-200	71 contacts →
	Partial evidence “Alder Construction is a family‑owned general contractor headquartered in Salt Lake City, Utah, with deep roots in water infrastructure dating back to 1961.” Source: RevenueBase Database · checked Sep 18, 2026
22	TLC Diversified, INC	Indirect evidence	Palmetto, FL, United StatesHQ checked Sep 18, 2026	51-200	62 contacts →
	Indirect evidence “TLC Diversified is one of the leading privately held construction firms in the state of Florida specializing in water and wastewater infrastructure.” Source: RevenueBase Database · checked Sep 18, 2026
23	PLW Waterworks	Strong evidence	The Woodlands, TX, United StatesHQ checked Sep 18, 2026	501-1,000	61 contacts →
	Strong evidence “PLW Waterworks is an innovative waterworks infrastructure construction management and general contractor serving municipalities, water districts and water authorities across Texas…” Source: RevenueBase Database · checked Sep 18, 2026
24	SI Environmental, LLC	Indirect evidence	Rosenberg, TX, United StatesHQ checked Sep 18, 2026	201-500	58 contacts →
	Indirect evidence “Si Environmental, LLC, is a Texas-based company that leads the way in water and wastewater facility operations and maintenance.” Source: RevenueBase Database · checked Sep 18, 2026
25	Culy Contracting	Indirect evidence	Winchester, United StatesHQ checked Sep 18, 2026	51-200	47 contacts →
	Indirect evidence “Culy Contracting focuses on the water and sewer industry, along with total site preparation for municipalities, commercial, industrial, and residential customers.” Source: RevenueBase Database · checked Sep 18, 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: stormwater management system contractors. 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 stormwater management system contractors.
Partial evidence: Its own public description names part of stormwater management system contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name stormwater management system contractors. 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 558 stormwater management system contractors based in the United States

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Stormwater management system contractors based in the United States at a glance

As of Sep 18, 2026

41.1%Verified-email coverage

36.3Average contacts per company

11-50Median size (employees)

1.8%Largest-city concentration · Houston

Sep 18, 2026Page data refreshed

Companies by employee count

1-10

248

11-50

198

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 558 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 stormwater management system contractors, 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 the United States whose own description of what they do matches “stormwater management system contractors”. 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 stormwater management system contractors), 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 stormwater management system contractors, and records with no verified work email. Companies headquartered outside United States 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, 8,322 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 18, 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 stormwater management system contractors, 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 stormwater management system contractors are there based in the United States?

RevenueBase identified 558 stormwater management system contractors headquartered in the United States 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?

Tetra Tech, headquartered in Pasadena, tops this list with the largest team on record.

Which city has the most stormwater management system contractors?

Houston leads with 10 headquartered companies, followed by Phoenix (9) and Chicago (6).

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 8,322 verified decision-maker contacts tracked across these 558 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 18, 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.