Company lists · Data refreshed September 2026

Top 21 Engineering consultancies based in Long Beach, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 42 companies tracked

RevenueBase identified 42 company matches for engineering consultancies associated with Long Beach, United States as of September 2026 and tracks 2,096 professional contacts across them, including 1,262 with verified work emails. Across the United States, Houston is the largest hub for this category (622 companies); Long Beach has 42.

This list covers company matches for engineering consultancies associated with Long Beach, 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

42Companies

2,096Contacts tracked

1,262Verified emails

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The 21 largest engineering consultancies based in Long Beach, United States

Ranked by team size

Top 21 of 42 company matches for engineering consultancies based in Long Beach, 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	Moffatt & Nichol	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,178 contacts →
	Exact match “Moffatt & Nichol is a leading U.S-based global infrastructure advisor specializing in the planning and design of facilities that shape and serve our coastlines, harbors and…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2	P2s	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	201-500	375 contacts →
	Exact match “P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3	Twining, INC	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	201-500	178 contacts →
	Exact match “Twining has continued to expand and evolve since its inception more than a century ago.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4	MHP Structural Engineers	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	11-50	56 contacts →
	Exact match “For over 50 years, MHP has provided exceptional structural engineering services to our clients, developing long-term relationships, growing our expertise, and making buildings…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	M4 Engineering, INC	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	11-50	51 contacts →
	Exact match “Founded in 2001, M4 Engineering is a collective of aerospace and structural engineers who provide crisis and preventive engineering analysis, research and development consultation.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6	Twining Consulting, INC	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	11-50	42 contacts →
	Exact match “With over 22 years in the industry, Twining Consulting, has the project experience and industry resources to provide the most cost efficient testing, inspection and engineering…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7	D'leon Consulting Engineers	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	11-50	35 contacts →
	Exact match “Our mission at D’Leon Consulting Engineers (DLCE) is to execute solutions to our customers’ most challenging and complex infrastructure projects.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8	IQA Solutions INC	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	51-200	23 contacts →
	Exact match “IQA Solutions is established in 2003 and was formed to provide engineering and design services to clients in petroleum refining and petrochemicals.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	Moran Consulting Corporation	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	11-50	10 contacts →
	Exact match “Through solid civil engineering and surveying principles, Moran Consulting will responsibly and ethically design the transformation and successful future of the communities we…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10	Richmond Trading Company	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1-10	5 contacts →
	Exact match “Drainage Solutions since 1984, Richmond Trading Company provide a wide range of technical services to assist architects, engineers & design teams from our engineering department.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11	Avant Structural	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1-10	4 contacts →
	Exact match “AVANT provides optimal structural engineering solutions by combining expert knowledge with cutting-edge research and the latest technology STRUCTURAL DESIGN RESIDENTIAL -…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	Quartz Consulting Group	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1-10	4 contacts →
	Exact match “Quartz Consulting Group, a division of NXP Inc, is a Southern California-based professional services firm specializing in infrastructure consulting, facilities asset management…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13	Dress Gray	Exact match	Long Beach, United StatesHQ recorded Sep 24, 2026	1-10	3 contacts →
	Exact match “dress gray consulting provides management consulting for owners on construction projects.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14	Mcgrath Civil, INC	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1-10	2 contacts →
	Exact match “McGrath Civil is a Civil Engineering consulting firm specializing in site development: grading, drainage, Low Impact Development (LID), erosion control, sump pump design etc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	DHR Engineering	Exact match	Long Beach, United StatesHQ recorded Sep 24, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16	California Consultants	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1-10	2 contacts →
	Exact match “We are your premier resource for waterproofing design professionals, engineering your built environment to maximize water tightness and enhance air quality.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17	Crafted Product Design	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match “Experience in Robotics, Consumer Electronics, Sporting Goods, Aircraft Interiors, Industrial Equipment and Medical Products.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	GDT Engineering	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19	JP Build Project Managment	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match “Built Project Type Management Consultacy.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20	SWARF	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match “Swarf is an engineering services company providing our clients with fast, simple, and reliable designs, prototypes, and supporting analysis.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21	F4 Engineering USA	Exact match	Long Beach, CA, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match “F4 engineering is a mechanical engineering firm supporting the refining industry.” 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 21 of 42 engineering consultancies based in Long Beach, United States

See the full list, filter by size, metro and specialty, and access 1,262 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Engineering consultancies based in Long Beach, United States at a glance

As of Sep 24, 2026

60.2%Verified-email coverage

49.9Average contacts per company

1-10Median size (employees)

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Long Beach, so it is reported there. Company counts and contact totals on this page are exact for Long Beach, over 42 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 Long Beach, 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 1,262 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 Long Beach, United States?

RevenueBase identified 42 company matches for engineering consultancies associated with Long Beach, 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?

Moffatt & Nichol 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). Long Beach has 42.

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 1,262 professional contacts with verified work emails tracked across these 42 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.