Company lists · Data refreshed October 2026

Top 25 Building science consultants based in the United States

RevenueBase identified 891 company matches for building science consultants associated with the United States as of October 2026 and tracks 10,378 professional contacts across them, including 4,184 with verified work emails. New York is the largest hub.

This list covers company matches for building science 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 October 9, 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 Oct 9, 2026 How this list was built
891Companies
10,378Contacts tracked
4,184Verified emails
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The 25 largest building science consultants based in the United States

Ranked by team size
Top 25 of 891 company matches for building science consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWaltham, MA, United StatesHQ recorded Oct 9, 2026501-1,000969 contacts →

Exact match

“Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchWalnut Creek, CA, United StatesHQ recorded Oct 9, 2026201-500472 contacts →

Exact match

“AEI Consultants provides building, environmental, land and sustainability assessment and consulting services throughout North America.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Oct 9, 2026501-1,000392 contacts →

Exact match

“ARCXIS (Formerly DPIS Builder Services), is the largest provider of HERS inspections, ENERGY STAR ratings, engineering and design, construction quality assurance and other builder…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchPalo Alto, CA, United StatesHQ recorded Oct 9, 2026201-500245 contacts →

Exact match

“Allana Buick & Bers, Inc.(ABB) is a leading Architectural Engineering firm specializing in making buildings perform better by making them energy efficient and longer lasting with…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchFairfax, VA, United StatesHQ recorded Oct 9, 2026201-500216 contacts →

Exact match

“PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchCarlsbad, CA, United StatesHQ recorded Oct 9, 202651-200203 contacts →

Exact match

“Since 1989, MC’s team of professional consultants have leveraged their extensive construction backgrounds to deliver industry-leading construction consulting and forensic…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchEvanston, IL, United StatesHQ recorded Oct 9, 202651-200158 contacts →

Exact match

“Grumman|Butkus Associates (GBA) is a nationally recognized consulting engineering firm that specializes in mechanical, electrical and plumbing design services and energy and…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchNorwalk, CT, United StatesHQ recorded Oct 9, 202651-200144 contacts →

Exact match

“For over five decades, we’ve been at the forefront of transforming the built environment to be more energy efficient, accessible, healthy, and resilient.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchMonroe, OH, United StatesHQ recorded Oct 9, 2026201-500139 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Oct 9, 202651-200132 contacts →

Exact match

“RAND Engineering & Architecture, DPC is an independently owned consulting firm serving owners, boards, property managers, architects, and institutions.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchPotomac, MD, United StatesHQ recorded Oct 9, 202651-20098 contacts →

Exact match

“Structural engineering consulting – from exciting visions to inspired reality.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchTampa, FL, United StatesHQ recorded Oct 9, 202651-20092 contacts →

Exact match

“GLE Associates is an environmental, facilities, industrial hygiene, and construction consulting firm, headquartered in Tampa, Florida, with offices throughout Florida and the…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchWarren, NJ, United StatesHQ recorded Oct 9, 202651-20083 contacts →

Exact match

“For 60 years, Becht Engineering BT, Inc, has been supporting our “Building Technologies” clientele by providing mechanical, electrical, plumbing, fire protection (MEP & FP)…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchDenver, CO, United StatesHQ recorded Oct 9, 202611-5077 contacts →

Exact match

“Group14 Engineering is a Denver-based consulting firm committed to inspiring better buildings where people thrive.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchMount Laurel, NJ, United StatesHQ recorded Oct 9, 202651-20075 contacts →

Exact match

“MaGrann Associates is an innovative energy efficiency and green building consulting and engineering firm headquartered in Mount Laurel, New Jersey with additional offices in…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Oct 9, 202651-20070 contacts →

Exact match

“We Solve Complex Problems.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchPleasanton, CA, United StatesHQ recorded Oct 9, 202651-20069 contacts →

Exact match

“Shums Coda Associates represents a building, fire and life-safety consulting company that has been in business since 2006.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchNew York, United StatesHQ recorded Oct 9, 202651-20064 contacts →

Exact match

“CANY is a building enclosure consulting firm offering full architectural and engineering services.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchMiami, FL, United StatesHQ recorded Oct 9, 202651-20063 contacts →

Exact match

“Paramount Consulting and Engineering, LLC (PCE) was created to provide expert consulting, inspection, testing and engineering services relating to building envelope components.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchClearwater, FL, United StatesHQ recorded Oct 9, 202651-20062 contacts →

Exact match

“Is the health comfort and energy efficiency of facilities at risk?”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchTempe, AZ, United StatesHQ recorded Oct 9, 202651-20061 contacts →

Exact match

“Residential Projects – Recommendations for subdivision home foundations (individual custom lots up to lots), apartments, and condominiums from 1 to 25 stories with and without…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchAtlanta, GA, United StatesHQ recorded Oct 9, 202651-20059 contacts →

Exact match

“At Epsten Group, we pride ourselves on being a pioneer for sustainability in the built environment.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchJacksonville, FL, United StatesHQ recorded Oct 9, 202651-20056 contacts →

Exact match

“SkyeTec is an award winning energy rating and indoor environmental consulting company that provides third-party inspections for residential and commercial construction projects.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchFairfax, VA, United StatesHQ recorded Oct 9, 202611-5054 contacts →

Exact match

“Sustainable Building Partners (SBP) offers building professionals and end-users precise energy efficiency and sustainable solutions for new and existing assets.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25Exact matchHarrisburg, NC, United StatesHQ recorded Oct 9, 202651-20052 contacts →

Exact match

“Performance Point is a third-party building inspection expert for residential new construction homes We specialize in Energy-Efficiency, Quality, and Safety!”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 25 of 891 building science consultants based in the United States

See the full list, filter by size, metro and specialty, and access 4,184 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building science consultants based in the United States at a glance

As of Oct 9, 2026
40.3%Verified-email coverage
11.6Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · New York
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
572
11-50
259
51-200
49
201-500
5
501-1,000
3
1,001-5,000
1
5,001-10,000
1

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 891 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 “building science 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 4,184 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 October 9, 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.

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

How many building science consultants are there based in the United States?

RevenueBase identified 891 company matches for building science consultants associated with the United States as of October 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?

Simpson Gumpertz & Heger SGH tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most building science consultants?

New York leads with 29 company records, followed by Denver (16) and Houston (16).

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 4,184 professional contacts with verified work emails tracked across these 891 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 October 9, 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.