Company lists · Data refreshed September 2026

Top 15 Solar design and engineering firms based in Boston, United States

Name: Solar design and engineering firms based in Boston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 18, 2026 27 companies tracked

RevenueBase identified 27 company matches for solar design and engineering firms associated with Boston, United States as of September 2026 and tracks 1,485 professional contacts across them, including 1,003 with verified work emails. Across the United States, New York is the largest hub for this category (160 companies); Boston has 27.

This list covers company matches for solar design and engineering firms associated with Boston, 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 18, 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 18, 2026 How this list was built

27Companies

1,485Contacts tracked

1,003Verified emails

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The 15 largest solar design and engineering firms based in Boston, United States

Ranked by team size

Top 15 of 27 company matches for solar design and engineering firms based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 18, 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	Nexamp	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	201-500	607 contacts →
	Exact match “Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
2	Vanderweil Engineers	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	201-500	545 contacts →
	Exact match “Vanderweil is a mechanical, electrical, plumbing, fire protection, technology, sustainability, commissioning, and power engineering firm dedicated to providing customized and…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
3	R.W. Sullivan Engineering	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	51-200	81 contacts →
	Exact match “R.W.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
4	Team Sunshine Construction	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	51-200	48 contacts →
	Exact match “Team Sunshine is New England's Premier Solar Installation Company and has been helping New England Homeowners transition from fossil fuels to renewable energy since 2019.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
5	LDA Architecture & Interiors	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	11-50	46 contacts →
	Exact match “Founded in 1992, LDa has provided award-winning design solutions for a wide range of clients throughout New England, practicing in the residential, interior design, commercial…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
6	Smartflower Solar	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	11-50	29 contacts →
	Exact match “SmartFlower is a revolutionary solar energy system that follows the sun from sunrise to sunset.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
7	Stack CO	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	11-50	20 contacts →
	Exact match “Stack + Co.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
8	BWA Architecture	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	11-50	18 contacts →
	Exact match “BAKER \| WOHL ARCHITECTS was founded in 1993 as a joint venture by Stephen D.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
9	Transform Power Systems	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	1-10	13 contacts →
	Exact match “Transform Power Systems (TPS) is an engineering services provider and clean energy talent placement firm that supports high-performance building and energy efficiency solutions.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
10	Zeroenergy Design	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	1-10	11 contacts →
	Exact match “ZeroEnergy Design (ZED) is a full service modern green architecture and mechanical design firm.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
11	PAF Architects	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	1-10	11 contacts →
	Exact match “PAF Architects is a Boston based consulting firm specializing in: • New construction • Adaptive reuse of older buildings • Historic preservation, • Custom residential design •…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
12	Sona Energy Solutions	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	1-10	8 contacts →
	Exact match “Sona Energy Solutions brings over 35 years of turn-key, clean energy engineering and implementation expertise to our multi-site and multi-state retail, commercial and industrial…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
13	Rivermoor Energy	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	11-50	3 contacts →
	Exact match “Rivermoor Energy provides clean energy development, planning, financing, and investment solutions to corporate, commercial, utility, government and institutional (higher…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
14	Lastmile Energy	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	1-10	3 contacts →
	Exact match “We design, finance, install and operate solar and storage projects” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
15	Photon Renewables	Exact match	Boston, MA, United StatesHQ recorded Sep 18, 2026	1-10	1 contacts →
	Exact match “We are a renewable energy consulting company specializing in project development, value engineering, and construction management.” Recorded in the RevenueBase company graph · Sep 18, 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 “solar design and engineering 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 15 of 27 solar design and engineering firms based in Boston, United States

See the full list, filter by size, metro and specialty, and access 1,003 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Solar design and engineering firms based in Boston, United States at a glance

As of Sep 18, 2026

67.5%Verified-email coverage

55.0Average contacts per company

11-50Median size (employees)

Sep 18, 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 Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 27 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 Boston, United States whose business descriptions match “solar design and engineering 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 1,003 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 18, 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.

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

How many solar design and engineering firms are there based in Boston, United States?

RevenueBase identified 27 company matches for solar design and engineering firms associated with Boston, 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?

Nexamp 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 solar design and engineering firms?

New York leads the United States with 160 company records, followed by San Diego (121) and Houston (95). Boston has 27.

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 1,003 professional contacts with verified work emails tracked across these 27 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 18, 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.