Company lists · Data refreshed October 2026

Top 18 Energy systems engineering services based in Columbia, United States

Name: Energy systems engineering services based in Columbia, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 31 companies tracked

RevenueBase identified 31 company matches for energy systems engineering services associated with Columbia, United States as of October 2026 and tracks 1,108 professional contacts across them, including 451 with verified work emails. Across the United States, Houston is the largest hub for this category (249 companies); Columbia has 31.

This list covers company matches for energy systems engineering services associated with Columbia, 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 25, 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 25, 2026 How this list was built

31Companies

1,108Contacts tracked

451Verified emails

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The 18 largest energy systems engineering services based in Columbia, United States

Ranked by team size

Top 18 of 31 company matches for energy systems engineering services based in Columbia, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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	GSE Solutions	Exact match	Columbia, MD, United StatesHQ recorded Oct 25, 2026	201-500	439 contacts →
	Exact match “GSE Solutions supports nuclear power and clean-energy fleets worldwide through integrated engineering services and software that strengthen operational performance.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	Energetics	Exact match	Columbia, MD, United StatesHQ recorded Oct 25, 2026	51-200	156 contacts →
	Exact match “Energetics is a full-service technical and management consulting company specializing in energy (specifically energy modernization, efficiency, and clean energy) and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	Allen Shariff Corporation	Exact match	Columbia, MD, United StatesHQ recorded Oct 25, 2026	51-200	150 contacts →
	Exact match “Allen + Shariff was founded in 1993 as an engineering consulting firm based in Columbia, MD.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	Gregory Electric Company, INC	Exact match	Columbia, SC, United StatesHQ recorded Oct 25, 2026	201-500	113 contacts →
	Exact match “We excel as strategic partners in the design, installation and service of energy and infrastructure.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Facility Dynamics Engineering, Corp	Exact match	Columbia, MD, United StatesHQ recorded Oct 25, 2026	51-200	66 contacts →
	Exact match “Facility Dynamics is a consulting engineering and commissioning firm that helps clients and facilities fill the ever-widening gap between the design/construction process and the…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	Global Facility Solutions	Exact match	Columbia, MD, United StatesHQ recorded Oct 25, 2026	n/a	31 contacts →
	Exact match “Global Facility Solutions was formed to provide objective facility solutions to the commercial, industrial and government marketplaces.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	Standard Energy Solutions	Exact match	Columbia, MD, United StatesHQ recorded Oct 25, 2026	51-200	28 contacts →
	Exact match “Standard Energy Solutions (SES) is a Maryland-based professional renewable energy solutions EPC that serves residential customers in a number of states throughout the Mid-Atlantic…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8	KK Engineering LLC	Exact match	Columbia, MD, United StatesHQ recorded Oct 25, 2026	1-10	25 contacts →
	Exact match “We have in-depth experience in HVAC, Electrical, and Plumbing; smoke management, and fire-protection systems design for institutional, commercial, and residential facilities.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	Buford Goff & Associates, NOW Imeg	Exact match	Columbia, SC, United StatesHQ recorded Oct 25, 2026	11-50	16 contacts →
	Exact match “We are now part of IMEG.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Helios Energy	Exact match	Columbia, TN, United StatesHQ recorded Oct 25, 2026	11-50	11 contacts →
	Exact match “The energy market is a complex world littered with confusing industry jargon, constantly evolving technology and ever-changing rebates, tax incentives and financial structures.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Spectrum Energy, LLC	Exact match	Columbia, MD, United StatesHQ recorded Oct 25, 2026	1-10	9 contacts →
	Exact match “Spectrum Energy helps building owners, developers, and facility managers cut operating costs and improve performance through energy efficiency projects.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	Gwa, Inc.	Exact match	Columbia, SC, United StatesHQ recorded Oct 25, 2026	11-50	9 contacts →
	Exact match “GWA, Inc.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	J-Squared Engineering	Exact match	Columbia, MO, United StatesHQ recorded Oct 25, 2026	11-50	6 contacts →
	Exact match “Headquartered in Central Missouri and serving the Midwest, J-Squared Engineering designs efficient and reliable HVAC, electrical, and plumbing systems for a wide range of…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	Timberlake Engineering, A Custom Engineering Company	Exact match	Columbia, MO, United StatesHQ recorded Oct 25, 2026	11-50	5 contacts →
	Exact match “Welcome to Timberlake Engineering, a Custom Engineering Company Our business philosophy has always been to provide practical designs to our clients and high quality, personal…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15	Hybrid Engineering, INC	Exact match	Columbia, SC, United StatesHQ recorded Oct 25, 2026	1-10	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	Energylink	Exact match	Columbia, MO, United StatesHQ recorded Oct 25, 2026	51-200	5 contacts →
	Exact match “EnergyLink is a NAESCO-accredited Energy Service Company (ESCO) that designs, builds, and funds renewable energy and energy efficiency products for enterprise corporations, public…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17	Brooks Engineering	Exact match	Columbia, TN, United StatesHQ recorded Oct 25, 2026	1-10	4 contacts →
	Exact match “BROOKS ENGINEERING was founded in 2001, by Jeffrey D.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	Elaflo Consulting Services	Exact match	Columbia, MD, United StatesHQ recorded Oct 25, 2026	1-10	2 contacts →
	Exact match “At Elaflo Consulting Services (ECS), we’re all about delivering smart, sustainable solutions in energy, infrastructure, logistics, and operations.” Recorded in the RevenueBase company graph · Oct 25, 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 “energy systems engineering services”. 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 18 of 31 energy systems engineering services based in Columbia, United States

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Energy systems engineering services based in Columbia, United States at a glance

As of Oct 25, 2026

40.7%Verified-email coverage

35.7Average contacts per company

1-10Median size (employees)

Oct 25, 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 Columbia, so it is reported there. Company counts and contact totals on this page are exact for Columbia, over 31 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 Columbia, United States whose business descriptions match “energy systems engineering services” 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 451 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 25, 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.

Energy systems engineering services 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 “energy systems engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy systems engineering services are there based in Columbia, United States?

RevenueBase identified 31 company matches for energy systems engineering services associated with Columbia, 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?

GSE Solutions 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 energy systems engineering services?

Houston leads the United States with 249 company records, followed by New York (120) and Austin (65). Columbia has 31.

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 451 professional contacts with verified work emails tracked across these 31 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 25, 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.