Company lists · Data refreshed September 2026

Top 20 Engineering consultancies based in Littleton, United States

Name: Engineering consultancies based in Littleton, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 30 companies tracked

RevenueBase identified 30 company matches for engineering consultancies associated with Littleton, United States as of September 2026 and tracks 485 professional contacts across them, including 250 with verified work emails. Across the United States, Houston is the largest hub for this category (622 companies); Littleton has 30.

This list covers company matches for engineering consultancies associated with Littleton, 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 24, 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 24, 2026 How this list was built

30Companies

485Contacts tracked

250Verified emails

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The 20 largest engineering consultancies based in Littleton, United States

Ranked by team size

Top 20 of 30 company matches for engineering consultancies based in Littleton, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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	BLW Engineers	Exact match	Littleton, MA, United StatesHQ recorded Sep 24, 2026	51-200	92 contacts →
	Exact match “BLW Engineers is a consulting engineering firm providing design related services for Mechanical and Electrical building systems.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2	Redland	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	11-50	86 contacts →
	Exact match “Before we set out to embrace your visions, we needed to first realize ours.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3	Maxson Engineering	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	11-50	38 contacts →
	Exact match “Maxson Engineering is a multi-disciplinary design firm serving projects throughout the United States.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4	Browns Hill Engineering & Controls, LLC	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	51-200	30 contacts →
	Exact match “At Browns Hill Engineering and Controls LLC (BHEC), we are your foremost experts in water and wastewater control systems integration.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	Horizons Engineering, A Verdantas Company	Exact match	Littleton, NH, United StatesHQ recorded Sep 24, 2026	51-200	30 contacts →
	Exact match “Horizons Engineering, Inc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6	Long International	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	11-50	26 contacts →
	Exact match “LONG INTERNATIONAL, INC.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7	KEA Technologies, INC	Exact match	Littleton, MA, United StatesHQ recorded Sep 24, 2026	11-50	24 contacts →
	Exact match “KEA Technologies, Inc.(KEA), established in 2015, is an engineering research and development small business located in Littleton, Massachusetts that provide engineering solutions…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8	Higgins & Associates, Inc. Forensic Engineers & Architects	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	11-50	21 contacts →
	Exact match “Higgins & Associates, Inc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	CSAI	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	11-50	20 contacts →
	Exact match “CSAi is an architectural, engineering and design firm that has been providing telecommunications, wireless and utility clients with industry-leading consulting services for more…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10	NEO Virtus Engineering, INC	Exact match	Littleton, MA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	15 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11	Bc&e	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	1-10	6 contacts →
	Exact match “BC & E, LLC is an architectural and engineering firm with expertise in improving the condition of and extending the life of buildings and other structures by evaluating and…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	Places Associates, INC	Exact match	Littleton, MA, United StatesHQ recorded Sep 24, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13	Critical Guidance Engineering, LLC	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	1-10	4 contacts →
	Exact match “Critical Guidance Engineering is an engineering company that specializes in providing guidance to to other companies, attorneys, and insurance professionals in product safety…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14	2n Civil, LLC	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	1-10	4 contacts →
	Exact match “2N Civil, LLC is a full service civil engineering design and consulting firm located in Englewood, Colorado.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	SAN Engineering LLC	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	11-50	4 contacts →
	Exact match “At San Engineering, we offer the best of both worlds: The technical expertise expected of a large engineering firm, with the flexibility, agility, and direct attention that only a…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16	D.Keller Electrical Design, INC	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	1-10	3 contacts →
	Exact match “At D.Keller Electrical Design Inc, we specialize in providing innovative and reliable electrical design and engineering solutions tailored to the needs of architects, owners…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17	Birck Engineering A Bowman Company	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	11-50	3 contacts →
	Exact match “Birck Engineering LLC is a multidisciplinary engineering and design firm delivering practical solutions for industrial and infrastructure clients across a range of markets.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	NEW Rome Enterprises	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	1-10	2 contacts →
	Exact match “New Rome Enterprises is a consulting and design firm dedicated to accurate and timely service to meet the needs of our clients.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19	Sterling Design Associates, LLC	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	1-10	2 contacts →
	Exact match “Sterling Design Associates, LLC is a company based out of 2009 W.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20	Burke Engineering	Exact match	Littleton, CO, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match “Our goal is to turn around high quality work, faster than any other consultant could do so you can provide better services to your customer.” Recorded in the RevenueBase company graph · Sep 24, 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 “engineering consultancies”. 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 20 of 30 engineering consultancies based in Littleton, United States

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Engineering consultancies based in Littleton, United States at a glance

As of Sep 24, 2026

51.5%Verified-email coverage

16.2Average contacts per company

1-10Median size (employees)

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Littleton, so it is reported there. Company counts and contact totals on this page are exact for Littleton, over 30 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 Littleton, United States whose business descriptions match “engineering consultancies” 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 250 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 24, 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.

Engineering consultancies 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 “engineering consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many engineering consultancies are there based in Littleton, United States?

RevenueBase identified 30 company matches for engineering consultancies associated with Littleton, 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?

BLW Engineers 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 engineering consultancies?

Houston leads the United States with 622 company records, followed by New York (449) and Austin (208). Littleton has 30.

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 250 professional contacts with verified work emails tracked across these 30 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 24, 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.