Company lists · Data refreshed November 2026

Top 25 Site development consultants based in the United States

Name: Site development consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 4,422 companies tracked

RevenueBase identified 4,422 company matches for site development consultants associated with the United States as of November 2026 and tracks 75,578 professional contacts across them, including 37,398 with verified work emails. New York is the largest hub.

This list covers company matches for site development consultants associated with the 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 November 6, 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 Nov 6, 2026 How this list was built

4,422Companies

75,578Contacts tracked

37,398Verified emails

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The 25 largest site development consultants based in the United States

Ranked by team size

Top 25 of 4,422 company matches for site development consultants based in the United States, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Langan Engineering & Environmental Services	Exact match	Parsippany, TN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,492 contacts →
	Exact match “Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	LJA	Exact match	Griffin, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,206 contacts →
	Exact match “Employee-Owned.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Atwell, LLC	Exact match	Southfield, MI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,561 contacts →
	Exact match “Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Partner Engineering & Science, INC	Exact match	Torrance, WA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,481 contacts →
	Exact match “Partner Assessment Corp.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Bohler	Exact match	Herndon, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,239 contacts →
	Exact match “Bohler is a land development consulting and technical design firm that helps developers, owners and other real estate professionals identify and act on opportunities and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Bge, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,160 contacts →
	Exact match “Ranked No.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	H2m Architects Engineers	Exact match	Melville, CT, United StatesHQ recorded Nov 6, 2026	501-1,000	692 contacts →
	Exact match “About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Tighe & Bond	Exact match	Westfield, MA, United StatesHQ recorded Nov 6, 2026	501-1,000	685 contacts →
	Exact match “Tighe & Bond is the Northeast’s leading engineering, environmental, planning, and design consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Quiddity	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	681 contacts →
	Exact match “Quiddity is an award-winning, full-service civil engineering, planning, surveying, and consulting firm providing innovative solutions for public infrastructure and private…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	MSA Professional Services	Exact match	Baraboo, WI, United StatesHQ recorded Nov 6, 2026	501-1,000	656 contacts →
	Exact match “As a full-service consulting firm, MSA Professional Services (MSA) is all about creating communities that work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Neel-Schaffer, INC	Exact match	Jackson, MS, United StatesHQ recorded Nov 6, 2026	501-1,000	637 contacts →
	Exact match “Neel-Schaffer is a multi-disciplined engineering, planning and construction management firm that was founded in 1983 and today is one of the largest private, employee-owned…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Cobb, Fendley & Associates, INC	Exact match	Houston, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	556 contacts →
	Exact match “Cobb, Fendley & Associates, Inc.(CobbFendley) is a nationally recognized infrastructure solutions firm with a regional focus and a commitment to excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	WGI	Exact match	West Palm Beach, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	556 contacts →
	Exact match “WGI is a national design and professional services firm specializing in engineering, planning, environmental, geospatial, and technology-driven solutions for the public and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Thomas & Hutton	Exact match	Savannah, GA, United StatesHQ recorded Nov 6, 2026	501-1,000	535 contacts →
	Exact match “Our story began in 1946 with the collaboration of former US Army Corps of Engineers Officers, Hue Thomas and Joe Hutton, in their start-up engineering firm in Savannah, GA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	BSC Group	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	51-200	531 contacts →
	Exact match “BSC Group, Inc.(BSC) is a multidisciplinary consulting firm with a staff of more than 200 professionals and offices in Boston, Worcester, Andover, and West Yarmouth, MA, as well…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Mark Thomas	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	517 contacts →
	Exact match “Mark Thomas provides planning, civil and structural engineering, construction management, land surveying, landscape architecture and urban design, and district management for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	AEI Consultants	Exact match	Walnut Creek, CA, United StatesHQ recorded Nov 6, 2026	201-500	493 contacts →
	Exact match “AEI Consultants provides building, environmental, land and sustainability assessment and consulting services throughout North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Withersravenel	Exact match	Cary, NC, United StatesHQ recorded Nov 6, 2026	201-500	482 contacts →
	Exact match “WithersRavenel is an employee-owned multidisciplinary consulting firm helping public and private clients plan, design, fund, permit, manage, and deliver projects that strengthen…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	CSA Group, Architects And Engineers	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	469 contacts →
	Exact match “CSA Group is a full-service, A/E/Env, PM/CM & Inspections, and Emergency Management consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Herbert, Rowland & Grubic, Inc. - HRG	Exact match	Harrisburg, PA, United StatesHQ recorded Nov 6, 2026	201-500	399 contacts →
	Exact match “HRG assists with the planning, design, and management of community infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Martin Martin, INC	Exact match	Lakewood, CO, United StatesHQ recorded Nov 6, 2026	201-500	397 contacts →
	Exact match “Martin/Martin, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Galloway & Company, LLC	Exact match	Greenwood Village, NC, United StatesHQ recorded Nov 6, 2026	201-500	370 contacts →
	Exact match “Galloway provides a full suite of architecture, engineering and survey services to comprehensively support development needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Greenbergfarrow GF	Exact match	Atlanta, CA, United StatesHQ recorded Nov 6, 2026	201-500	370 contacts →
	Exact match “GF is a fully integrated architecture, engineering, planning, interior design, landscape architecture and land development firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Emh&t	Exact match	Columbus, OH, United StatesHQ recorded Nov 6, 2026	201-500	362 contacts →
	Exact match “At EMH & T, we leverage our many areas of expertise, our strong and long-lasting relationships, and our passion for finding answers to deliver the solutions our clients need has…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Spicer Group	Exact match	Saginaw, MI, United StatesHQ recorded Nov 6, 2026	201-500	361 contacts →
	Exact match “Spicer Group, Inc.” Recorded in the RevenueBase company graph · Nov 6, 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 “site development consultants”. 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 25 of 4,422 site development consultants based in the United States

See the full list, filter by size, metro and specialty, and access 37,398 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Site development consultants based in the United States at a glance

As of Nov 6, 2026

49.5%Verified-email coverage

17.1Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

2,641

11-50

1,320

51-200

345

201-500

501-1,000

1,001-5,000

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 4,422 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 the United States whose business descriptions match “site development consultants” 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 37,398 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.

Site development consultants by metro

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 “site development consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many site development consultants are there based in the United States?

RevenueBase identified 4,422 company matches for site development consultants associated with the United States 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?

Langan Engineering & Environmental Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most site development consultants?

New York leads with 93 company records, followed by Houston (60) and Los Angeles (58).

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 37,398 professional contacts with verified work emails tracked across these 4,422 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.