Company lists · Data refreshed September 2026

Top 23 Retrofit contractors based in San Diego, United States

Name: Retrofit contractors based in San Diego, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 52 companies tracked

RevenueBase identified 52 company matches for retrofit contractors associated with San Diego, United States as of September 2026 and tracks 400 professional contacts across them, including 117 with verified work emails. Across the United States, New York is the largest hub for this category (129 companies); San Diego has 52.

This list covers company matches for retrofit contractors associated with San Diego, 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 17, 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 17, 2026 How this list was built

52Companies

400Contacts tracked

117Verified emails

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The 23 largest retrofit contractors based in San Diego, United States

Ranked by team size

Top 23 of 52 company matches for retrofit contractors based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Nautilus General Contractors, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	51-200	42 contacts →
	Exact match “Servicing all of California, Nevada and Arizona our experience and background in architecture and construction gives us a comprehensive understanding of traditional repair…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Pssi Pacific Southwest Structures, INC	Exact match	San Diego, United StatesHQ recorded Sep 17, 2026	201-500	38 contacts →
	Exact match “WE SEAMLESSLY INTEGRATE YOUR VISION INTO EVERYDAY LIFE From the classrooms where we study and the hospitals that keep us healthy to the museums and zoos where we create family…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	AH Construction	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	31 contacts →
	Exact match “AH Construction is San Diego's top choice when it comes to general contracting services for businesses.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Sherwood Mechanical INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	51-200	28 contacts →
	Exact match “Sherwood Mechanical is a commercial plumbing contractor serving Southern California.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Point Loma Electric And Plumbing	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Point Loma Electric and Plumbing a is an Electrical and Plumbing Contractor serving all of San Diego County since 1988.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Rock Electric, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	51-200	16 contacts →
	Exact match “Since 1985, Rock Electric has striven to set a higher standard for electrical contracting in Southern California.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Back's Construction, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “Back's Construction is a San Diego based general contractor, specializing in tenant improvements.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	J Geyer Plumbing, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	51-200	14 contacts →
	Exact match “J Geyer Plumbing specializes in the commercial plumbing industry throughout San Diego and surrounding Counties.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	First Mark Contracting, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “With First Mark Contracting you will find a relationship of trust and quality-built projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	US Green Energy Technologies	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “We are committed to providing you the most innovative and comprehensive energy management solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Greener N.O.I	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “We aim to get more sustainability & energy-saving upgrades implemented in buildings throughout North America by performing these services among others: • Analysis of Net Operating…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Brightside Electrical Systems, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Jt2 Engineering And Construction	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “We are a full-service Licensed General Engineering and Building Contractor and have a full team of subcontractors and installers with the experience to provide simple building…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Cresttelconstruction	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “We provide general contracting to our clients in remodeling, tenant improvement, electrical, and solar installation.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Greater SAN Diego AIR Conditioning	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	51-200	4 contacts →
	Exact match “Greater San Diego Air Conditioning Company, Inc, a leading HVAC Service and Construction Contractor in San Diego since 1983.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Simpson Mechanical	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “We use only quality products and take pride in delivering exceptional customer service.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Builders NOW	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Professional Construction for San Diego's Homes and Businesses.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Alltech Solar	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Alltech Solar is a licensed General, Electrical, and Mechanical Contractor providing a comprehensive package of conservation, solar hot water and solar power systems.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Pipe & Plumb	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “We specialize in fixture repair and replacement, kitchen & bath remodeling, and sewer, gas and water repiping.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	JDC Build Construction And Remodeling Of SAN Diego	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Residential and Commercial General Contractor.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Phounsavath INC DBA Akae Builder	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Elite Construct Of California, LLC	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Our company was born out of a need to provide high quality customer service and quality of renovation and contract support services to our local market.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Ecotech Windows & Doors	Exact match	San Diego, CA, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Ecotech specializes in projects big or small, commercial and residential, we love helping our customers bring their vision to life - wishes to reality!” Recorded in the RevenueBase company graph · Sep 17, 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 “retrofit contractors”. 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 23 of 52 retrofit contractors based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 117 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Retrofit contractors based in San Diego, United States at a glance

As of Sep 17, 2026

29.2%Verified-email coverage

7.7Average contacts per company

11-50Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 52 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 San Diego, United States whose business descriptions match “retrofit contractors” 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 117 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 17, 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.

Retrofit contractors 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 “retrofit contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many retrofit contractors are there based in San Diego, United States?

RevenueBase identified 52 company matches for retrofit contractors associated with San Diego, 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?

Nautilus General Contractors, 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 retrofit contractors?

New York leads the United States with 129 company records, followed by Houston (72) and Los Angeles (72). San Diego has 52.

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 117 professional contacts with verified work emails tracked across these 52 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 17, 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.