Company lists · Data refreshed September 2026
Top 17 Green building consulting firms based in Pittsburgh, United States
RevenueBase identified 28 green building consulting firms headquartered in Pittsburgh, United States as of September 2026 and tracks 272 professional contacts across them, including 98 with verified work emails. Across the United States, New York is the largest hub for this category (261 companies); Pittsburgh has 28.
This list covers green building consulting firms headquartered in Pittsburgh, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 17 largest green building consulting firms based in Pittsburgh, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 56 contacts → | ||||
Partial evidence “3R Sustainability is a women-owned business providing consulting services rooted in science, supported by data, and driven by innovation, education, and continual improvement…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 54 contacts → | ||||
Partial evidence “Founded in 1910 in Pittsburgh, Pennsylvania, LLI Engineering a veteran owned small business, specializes in commercial, critical facilities, infrastructure upgrades, Green…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 17 contacts → | ||||
Indirect evidence “WTW Architects is now AE Works.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 15 contacts → | ||||
Indirect evidence “DLA+ is a full service Architecture and Interior design firm dedicated to providing Strategic Architecture solutions through a collaborative and integrated approach to delivering…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 14 contacts → | ||||
Indirect evidence “Indovina Associates Architects is a multi-disciplined Design Firm of design professionals and supporting staff.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 13 contacts → | ||||
Indirect evidence “Bruce Construction, LLC is a commercial and residential construction company located in the suburbs East of Pittsburgh.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 10 contacts → | ||||
Indirect evidence “Full Service Architecture Firm” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 7 contacts → | ||||
Partial evidence “A recognized leader in high-performance building and design, Master Remodelers creates healthier, climate comfortable, and more resilient renovations than the industry standard.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 7 contacts → | ||||
Indirect evidence “Sheesley + Associates, a Certified WBE and a Registered PA DOT Business Partner, is a professional services firm specializing in engineering, environmental, and aviation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 6 contacts → | ||||
Indirect evidence “EngineHouse is a group of designers, builders, and makers working toward a sustainable and enduring built environment.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 5 contacts → | ||||
Partial evidence “Iams Consulting LLC provides high quality, innovative mechanical, electrical, plumbing and fire protection engineering services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3 contacts → | ||||
Partial evidence “Advantus Engineers, LLC specializes in building commissioning, environmental compliance, construction quality assurance, and sustainability.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Strong evidence “At Green Climate Energy Consulting, we're your trusted partner in navigating the evolving energy landscape toward a sustainable future.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 contacts → | ||||
Indirect evidence “Founded by best selling author and world thought leader in sustainability, Corey Glickman and partner specializing in branding and marketing Denni Lewis Glickman.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2 contacts → | ||||
Indirect evidence “Our mission is to help make our world a better place through sustainable and resilient design.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 contacts → | ||||
Indirect evidence “At AristoSys: We Believe that our planet should be livable for everyone today, and for generations to come.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1 contacts → | ||||
Indirect evidence “Steven Baumgartner founded Baumgartner Urban Systems Strategy LLC (BUSS) after two decades with global integrated design, engineering, planning and architecture firms.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: green building consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names green building consulting firms.
- Partial evidence
- Its own public description names part of green building consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name green building consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 17 of 28 green building consulting firms based in Pittsburgh, United States
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Green building consulting firms based in Pittsburgh, United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Pittsburgh, so it is reported there. Company counts and contact totals on this page are exact for Pittsburgh, over 28 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among green building consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Pittsburgh, United States whose own description of what they do matches “green building consulting firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names green building consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among green building consulting firms, and records with no verified work email. Companies headquartered outside Pittsburgh are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 98 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Green building consulting firms by metro in the United States
- Green building consulting firms in New York261
- Green building consulting firms in Chicago104
- Green building consulting firms in Houston102
- Green building consulting firms in Los Angeles86
- Green building consulting firms in Portland84
- Green building consulting firms in San Francisco78
- Green building consulting firms in Denver73
- Green building consulting firms in Washington73
- Green building consulting firms in Seattle66
- Green building consulting firms in Atlanta62
- Green building consulting firms in Austin62
- Green building consulting firms in Dallas52
- Green building consulting firms in Miami51
- Green building consulting firms in Philadelphia51
- Green building consulting firms in San Diego49
- Green building consulting firms in Boston47
- Green building consulting firms in Minneapolis38
- Green building consulting firms in Charlotte33
- Green building consulting firms in Columbia33
- Green building consulting firms in Phoenix32
- Green building consulting firms in Boulder28
- Green building consulting firms in Las Vegas28
- Green building consulting firms in Tampa27
- Green building consulting firms in Sacramento25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names green building consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many green building consulting firms are there based in Pittsburgh, United States?
RevenueBase identified 28 green building consulting firms headquartered in Pittsburgh, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
3r Sustainability, headquartered in Pittsburgh, tops this list with the largest team on record.
Which city in the United States has the most green building consulting firms?
New York leads the United States with 261 headquartered companies, followed by Chicago (104) and Houston (102). Pittsburgh has 28.
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 98 verified decision-maker contacts tracked across these 28 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.
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