Company lists · Data refreshed September 2026

Top 21 Environmental design firms based in Columbia, United States

Name: Environmental design firms based in Columbia, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 35 companies tracked

RevenueBase identified 35 company matches for environmental design firms associated with Columbia, United States as of September 2026 and tracks 438 professional contacts across them, including 217 with verified work emails. Across the United States, New York is the largest hub for this category (553 companies); Columbia has 35.

This list covers company matches for environmental design firms associated with Columbia, United States, 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 19, 2026.

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 19, 2026 How this list was built

35Companies

438Contacts tracked

217Verified emails

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The 21 largest environmental design firms based in Columbia, United States

Ranked by team size

Top 21 of 35 company matches for environmental design firms based in Columbia, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Straughan Environmental, INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 19, 2026	51-200	99 contacts →
	Exact match “Straughan Environmental provides high quality & sustainable environmental planning, permitting and design services to government (federal, state, and municipal) and commercial…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Arium AE	Exact match	Columbia, MD, United StatesHQ recorded Sep 19, 2026	11-50	45 contacts →
	Exact match “Arium AE is a mid-sized design firm serving the Mid-Atlantic Region from our offices in Columbia, Maryland, and Vienna, Virginia.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Ati, INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 19, 2026	51-200	45 contacts →
	Exact match “ATI provides AE design; environmental compliance and remediation; construction and facility/program management services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Boudreaux	Exact match	Columbia, SC, United StatesHQ recorded Sep 19, 2026	11-50	26 contacts →
	Exact match “Cultivating relationships.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Garvin Design Group Architecture, Interior Design, And Planning	Exact match	Columbia, SC, United StatesHQ recorded Sep 19, 2026	11-50	26 contacts →
	Exact match “Garvin Design Group is a Columbia, South Carolina-based architecture, interior design, and planning firm dedicated to a client-first delivery model.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Water & Land Solutions	Exact match	Columbia, IL, United StatesHQ recorded Sep 19, 2026	51-200	24 contacts →
	Exact match “Our goal is to restore, enhance, and protect our natural resources with the intent of leaving this Earth better than we found it.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	KK Engineering LLC	Exact match	Columbia, MD, United StatesHQ recorded Sep 19, 2026	1-10	24 contacts →
	Exact match “We have in-depth experience in HVAC, Electrical, and Plumbing; smoke management, and fire-protection systems design for institutional, commercial, and residential facilities.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	SOA Architecture	Exact match	Columbia, MO, United StatesHQ recorded Sep 19, 2026	11-50	18 contacts →
	Exact match “SOA Architecture creates inspiring places for people to work, play, learn, and live.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Studio 2lr Architecture Interiors	Exact match	Columbia, SC, United StatesHQ recorded Sep 19, 2026	1-10	14 contacts →
	Exact match “Studio 2LR is a full service architecture and interior design firm located in Columbia, South Carolina.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Pwarchitects, INC	Exact match	Columbia, MO, United StatesHQ recorded Sep 19, 2026	11-50	14 contacts →
	Exact match “Founded in 1978, PWA offers planning, architectural, interior and sustainable design services to a wide variety of education, corporate, healthcare, government and private clients…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Quackenbush Architects Planners	Exact match	Columbia, SC, United StatesHQ recorded Sep 19, 2026	11-50	12 contacts →
	Exact match “We are a full-service architecture and planning firm located in Columbia, South Carolina specializing in institutional, civic, educational, and commercial projects.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Pulliam Morris Interiors	Exact match	Columbia, SC, United StatesHQ recorded Sep 19, 2026	11-50	8 contacts →
	Exact match “Pulliam-Morris Interiors is a female-owned, professional design firm serving clients throughout the Southeast since its inception in 1962.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	JHS Architecture Integrated Design, INC	Exact match	Columbia, SC, United StatesHQ recorded Sep 19, 2026	11-50	8 contacts →
	Exact match “JHS Architecture: Integrated Design, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Timberlake Engineering, A Custom Engineering Company	Exact match	Columbia, MO, United StatesHQ recorded Sep 19, 2026	11-50	6 contacts →
	Exact match “Welcome to Timberlake Engineering, a Custom Engineering Company Our business philosophy has always been to provide practical designs to our clients and high quality, personal…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Banta Campbell Architects, INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 19, 2026	1-10	5 contacts →
	Exact match “Banta Campbell Architects: Architects crafting solutions that are functional, timeless, and sustainable.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Midwest Engineering & Design	Exact match	Columbia, MO, United StatesHQ recorded Sep 19, 2026	1-10	5 contacts →
	Exact match “Mechanical, Electrical, & Plumbing Design” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	The Landplan Group South, INC	Exact match	Columbia, SC, United StatesHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “Established in 2001 in Columbia, SC, the LandPlan Group South, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Southern Vistas, INC	Exact match	Columbia, SC, United StatesHQ recorded Sep 19, 2026	11-50	3 contacts →
	Exact match “Since first opening in 1986, Southern Vistas has become the preeminent leader in landscape architectural design and construction.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	1x1 Design	Exact match	Columbia, SC, United StatesHQ recorded Sep 19, 2026	1-10	2 contacts →
	Exact match “On June 1, 2011, 1x1 Design, a full service architectural firm in Columbia, South Carolina was launched.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Modern Cool Designs, LLC	Exact match	Columbia, MO, United StatesHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match “Modern\|COOL Designs is a progressive design firm focusing on residential and light commercial design.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	George Vaeth Assoc INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “environmental design firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 21 of 35 environmental design firms based in Columbia, United States

See the full list, filter by size, metro and specialty, and access 217 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental design firms based in Columbia, United States at a glance

As of Sep 19, 2026

49.5%Verified-email coverage

12.5Average contacts per company

1-10Median size (employees)

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

5,001-10,000

Email recency for this list is measured across the whole United States list rather than for Columbia, so it is reported there. Company counts and contact totals on this page are exact for Columbia, over 35 companies.

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.
What qualifies: Company records associated with Columbia, United States whose business descriptions match “environmental design 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 217 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 19, 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.

Environmental design firms by metro in the United States

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 “environmental design firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental design firms are there based in Columbia, United States?

RevenueBase identified 35 company matches for environmental design firms associated with Columbia, United States 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?

Straughan Environmental, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most environmental design firms?

New York leads the United States with 553 company records, followed by Los Angeles (272) and Chicago (205). Columbia has 35.

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 217 professional contacts with verified work emails tracked across these 35 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 19, 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.