Company lists · Data refreshed October 2026
Top 22 Offshore substation topside suppliers based in the United States
RevenueBase identified 46 company matches for offshore substation topside suppliers associated with the United States as of October 2026 and tracks 3,646 professional contacts across them, including 204 with verified work emails. Houston is the largest hub.
This list covers company matches for offshore substation topside suppliers 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 28, 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.
The 22 largest offshore substation topside suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 191 contacts → | ||||
Exact match “Zentech, Inc, an engineering consulting and software development company, headquartered in Houston, TX, is comprised of experienced professionals specializing in providing…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 2 | 43 contacts → | ||||
Exact match “Founded in 1971… Five employees used a investment and followed their dream of producing the world’s finest quality substation power connectors.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 3 | 39 contacts → | ||||
Exact match “ABCO designs and manufactures quality, cost effective, safe and efficient offshore energy solutions.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 4 | 33 contacts → | ||||
Exact match “Slingco is a globally trusted leader in engineered solutions for the Utility, Oil & Gas, Subsea/Marine, and Wind/Energy sectors.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 5 | 25 contacts → | ||||
Exact match “G-Tower is a support structure (tower & pole) solutions company.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 6 | 23 contacts → | ||||
Exact match “Mareleng is all about ELECTRICAL, ELECTRONICS and CONTROL systems for the marine and offshore applications.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 7 | 20 contacts → | ||||
Exact match “TTL Subsea was founded to fill the need for fast, reliable and safe electrical and fiber optic products/services in the subsea O&G market.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 8 | 20 contacts → | ||||
Exact match “Equisales provides domestic and international utilities, power plants and industrial customers with time-critical high voltage transformers and substation equipment while…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “An engineering-equipment supply company that consistently delivers high quality, outdoor electrical substation packages since 1965.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Deep Down Inc is an oil & energy company based out of Channelview, Texas, United States.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 11 | 13 contacts → | ||||
Exact match “OffshoreTech LLC, known as OTL, engineers offshore solutions and provides technical services to the energy industry, specializing in the design and analysis of a wide variety of…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 12 | 8 contacts → | ||||
Exact match “Ocean Specialists, Inc.(OSI) is a leading subsea systems integrator and marine operations advisory firm serving the defense and commercial markets with cradle-to-grave project…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “Marine Worldwide was founded in 2010 as an electrical engineering and installation company specializing in vessels, O&G, and renewable energy.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “Connecting the World Through Subsea Cable Solutions.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “We provide technologies high-quality engineering solutions for offshore floating systems.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “Marpro Marine LLC is tailored to provide safe, high quality, engineering and management services for subsea installations and marine works.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “Einpart is a specialized supplier of major components, parts, consumables, tools, fall protection and PPE gear, rigging, and turbine accessories for onshore and offshore wind…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “InterSub is a consulting company offering design, engineering, and operations management services to the subsea cable industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “Subsea Innovatons Subsea Controls, Power, and Field Development Engineers” Recorded in the RevenueBase company graph · Oct 28, 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 “offshore substation topside suppliers”. 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 22 of 46 offshore substation topside suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 204 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Offshore substation topside suppliers based in the United States at a glance
As of Oct 28, 2026Companies by employee count
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 46 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 “offshore substation topside suppliers” 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 204 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 28, 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.
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 “offshore substation topside suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many offshore substation topside suppliers are there based in the United States?
RevenueBase identified 46 company matches for offshore substation topside suppliers 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?
Zentech Incorporated tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most offshore substation topside suppliers?
Houston leads with 16 company records, followed by Katy (2) and Atlanta (1).
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 204 professional contacts with verified work emails tracked across these 46 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 46 offshore substation topside suppliers based in the United States. Start with a free account, no credit card.
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Offshore substation topside suppliers by geography
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.
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Company intelligence · public preview
Top 22 offshore substation topside suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 46 matching company records for offshore substation topside suppliers based in the United States, with 3,646 tracked contacts and 204 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 22 offshore substation topside suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Zentech Incorporatedzentech-usa.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 191 contacts → |
“Zentech, Inc, an engineering consulting and software development company, headquartered in Houston, TX, is comprised of experienced professionals specializing in providing…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sefcor, INCsefcor.com HQ: Griffin, GA, United StatesReported employees: 51-200 | Griffin, GA, United States | 51-200 | Exact match | 43 contacts → |
“Founded in 1971… Five employees used a investment and followed their dream of producing the world’s finest quality substation power connectors.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Abco Subseaabcosubsea.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 39 contacts → |
“ABCO designs and manufactures quality, cost effective, safe and efficient offshore energy solutions.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Slingco America, INCslingcoamerica.comHQ: Smyrna, GA, United StatesReported employees: 11-50 | Smyrna, GA, United States | 11-50 | Exact match | 33 contacts → |
“Slingco is a globally trusted leader in engineered solutions for the Utility, Oil & Gas, Subsea/Marine, and Wind/Energy sectors.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  G-Towerg-tower.comHQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 25 contacts → |
“G-Tower is a support structure (tower & pole) solutions company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Marelengmareleng.com HQ: Pompano Beach, FL, United StatesReported employees: 1-10 | Pompano Beach, FL, United States | 1-10 | Exact match | 23 contacts → |
“Mareleng is all about ELECTRICAL, ELECTRONICS and CONTROL systems for the marine and offshore applications.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | TTL Subsea, INCttlsubsea.com HQ: Stafford, TX, United StatesReported employees: 11-50 | Stafford, TX, United States | 11-50 | Exact match | 20 contacts → |
“TTL Subsea was founded to fill the need for fast, reliable and safe electrical and fiber optic products/services in the subsea O&G market.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Equisales Associatesequisales.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Equisales provides domestic and international utilities, power plants and industrial customers with time-critical high voltage transformers and substation equipment while…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Tatman Associates, INCtatmansubstations.com HQ: Solon, OH, United StatesReported employees: 11-50 | Solon, OH, United States | 11-50 | Exact match | 16 contacts → |
“An engineering-equipment supply company that consistently delivers high quality, outdoor electrical substation packages since 1965.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Deep Down INCdeepdowninc.com HQ: Channelview, TX, United StatesReported employees: 51-200 | Channelview, TX, United States | 51-200 | Exact match | 15 contacts → |
“Deep Down Inc is an oil & energy company based out of Channelview, Texas, United States.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Offshoretech, LLCoffshoretechllc.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 13 contacts → |
“OffshoreTech LLC, known as OTL, engineers offshore solutions and provides technical services to the energy industry, specializing in the design and analysis of a wide variety of…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ocean Specialists, INCoceanspecialists.com HQ: Stuart, FL, United StatesReported employees: 11-50 | Stuart, FL, United States | 11-50 | Exact match | 8 contacts → |
“Ocean Specialists, Inc.(OSI) is a leading subsea systems integrator and marine operations advisory firm serving the defense and commercial markets with cradle-to-grave project…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Marine Worldwidemarineworldwide.comHQ: Boca Raton, FL, United StatesReported employees: 51-200 | Boca Raton, FL, United States | 51-200 | Exact match | 6 contacts → |
“Marine Worldwide was founded in 2010 as an electrical engineering and installation company specializing in vessels, O&G, and renewable energy.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Kalypso Offshore Energykalypso-offshore.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 5 contacts → |
“Connecting the World Through Subsea Cable Solutions.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Front Energiesfrontenergies.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“We provide technologies high-quality engineering solutions for offshore floating systems.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Marpro Marine, LLCpowersublink.com HQ: Clearwater, FL, United StatesReported employees: 1-10 | Clearwater, FL, United States | 1-10 | Exact match | 3 contacts → |
“Marpro Marine LLC is tailored to provide safe, high quality, engineering and management services for subsea installations and marine works.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Detail Designsdetaildesigninc.comHQ: Springville, AL, United StatesReported employees: 11-50 | Springville, AL, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Corlip INCcorlip.com HQ: Dover, DE, United StatesReported employees: 1-10 | Dover, DE, United States | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Einparteinpart.com HQ: Fort Worth, TX, United StatesReported employees: 1-10 | Fort Worth, TX, United States | 1-10 | Exact match | 2 contacts → |
“Einpart is a specialized supplier of major components, parts, consumables, tools, fall protection and PPE gear, rigging, and turbine accessories for onshore and offshore wind…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tool TECtooltecltd.com HQ: Elkton, KY, United StatesReported employees: 1-10 | Elkton, KY, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Intersub, LLCintersub.net HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 1 contacts → |
“InterSub is a consulting company offering design, engineering, and operations management services to the subsea cable industry.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Subsea Innovationssubseainnovations.com HQ: Katy, TX, United StatesReported employees: 1-10 | Katy, TX, United States | 1-10 | Exact match | 1 contacts → |
“Subsea Innovatons Subsea Controls, Power, and Field Development Engineers” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 46 company matches
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Offshore substation topside suppliers: dataset insights
October 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
46 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 46 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for offshore substation topside suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many offshore substation topside suppliers did RevenueBase find based in the United States?
The saved snapshot records 46 matching company records, 3,646 tracked contacts and 204 verified emails. The public preview displays 22 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Offshore substation topside suppliers by geography
Cite this list
RevenueBase Data Team. Top 22 offshore substation topside suppliers based in the United States. Snapshot: October 28, 2026. https://revenuebase.ai/companies/offshore-substation-topside-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Offshore substation topside suppliers based in Denmark
- Offshore substation topside suppliers based in Germany
- Offshore substation topside suppliers based in the Netherlands
- Offshore substation topside suppliers based in Norway
- Offshore substation topside suppliers based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 22 offshore substation topside suppliers based in the United States
RevenueBase records 46 matching company records for offshore substation topside suppliers based in the United States, with 3,646 tracked contacts and 204 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 22 offshore substation topside suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Zentech Incorporatedzentech-usa.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 191 contacts → |
“Zentech, Inc, an engineering consulting and software development company, headquartered in Houston, TX, is comprised of experienced professionals specializing in providing…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sefcor, INCsefcor.com HQ: Griffin, GA, United StatesReported employees: 51-200 | Griffin, GA, United States | 51-200 | Exact match | 43 contacts → |
“Founded in 1971… Five employees used a investment and followed their dream of producing the world’s finest quality substation power connectors.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Abco Subseaabcosubsea.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 39 contacts → |
“ABCO designs and manufactures quality, cost effective, safe and efficient offshore energy solutions.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Slingco America, INCslingcoamerica.com HQ: Smyrna, GA, United StatesReported employees: 11-50 | Smyrna, GA, United States | 11-50 | Exact match | 33 contacts → |
“Slingco is a globally trusted leader in engineered solutions for the Utility, Oil & Gas, Subsea/Marine, and Wind/Energy sectors.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | G-Towerg-tower.com HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 25 contacts → |
“G-Tower is a support structure (tower & pole) solutions company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Marelengmareleng.com HQ: Pompano Beach, FL, United StatesReported employees: 1-10 | Pompano Beach, FL, United States | 1-10 | Exact match | 23 contacts → |
“Mareleng is all about ELECTRICAL, ELECTRONICS and CONTROL systems for the marine and offshore applications.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | TTL Subsea, INCttlsubsea.com HQ: Stafford, TX, United StatesReported employees: 11-50 | Stafford, TX, United States | 11-50 | Exact match | 20 contacts → |
“TTL Subsea was founded to fill the need for fast, reliable and safe electrical and fiber optic products/services in the subsea O&G market.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Equisales Associatesequisales.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Equisales provides domestic and international utilities, power plants and industrial customers with time-critical high voltage transformers and substation equipment while…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Tatman Associates, INCtatmansubstations.com HQ: Solon, OH, United StatesReported employees: 11-50 | Solon, OH, United States | 11-50 | Exact match | 16 contacts → |
“An engineering-equipment supply company that consistently delivers high quality, outdoor electrical substation packages since 1965.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Deep Down INCdeepdowninc.com HQ: Channelview, TX, United StatesReported employees: 51-200 | Channelview, TX, United States | 51-200 | Exact match | 15 contacts → |
“Deep Down Inc is an oil & energy company based out of Channelview, Texas, United States.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Offshoretech, LLCoffshoretechllc.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 13 contacts → |
“OffshoreTech LLC, known as OTL, engineers offshore solutions and provides technical services to the energy industry, specializing in the design and analysis of a wide variety of…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ocean Specialists, INCoceanspecialists.com HQ: Stuart, FL, United StatesReported employees: 11-50 | Stuart, FL, United States | 11-50 | Exact match | 8 contacts → |
“Ocean Specialists, Inc.(OSI) is a leading subsea systems integrator and marine operations advisory firm serving the defense and commercial markets with cradle-to-grave project…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Marine Worldwidemarineworldwide.com HQ: Boca Raton, FL, United StatesReported employees: 51-200 | Boca Raton, FL, United States | 51-200 | Exact match | 6 contacts → |
“Marine Worldwide was founded in 2010 as an electrical engineering and installation company specializing in vessels, O&G, and renewable energy.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Kalypso Offshore Energykalypso-offshore.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 5 contacts → |
“Connecting the World Through Subsea Cable Solutions.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Front Energiesfrontenergies.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“We provide technologies high-quality engineering solutions for offshore floating systems.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Marpro Marine, LLCpowersublink.com HQ: Clearwater, FL, United StatesReported employees: 1-10 | Clearwater, FL, United States | 1-10 | Exact match | 3 contacts → |
“Marpro Marine LLC is tailored to provide safe, high quality, engineering and management services for subsea installations and marine works.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Detail Designsdetaildesigninc.com HQ: Springville, AL, United StatesReported employees: 11-50 | Springville, AL, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Corlip INCcorlip.com HQ: Dover, DE, United StatesReported employees: 1-10 | Dover, DE, United States | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Einparteinpart.com HQ: Fort Worth, TX, United StatesReported employees: 1-10 | Fort Worth, TX, United States | 1-10 | Exact match | 2 contacts → |
“Einpart is a specialized supplier of major components, parts, consumables, tools, fall protection and PPE gear, rigging, and turbine accessories for onshore and offshore wind…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tool TECtooltecltd.com HQ: Elkton, KY, United StatesReported employees: 1-10 | Elkton, KY, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Intersub, LLCintersub.net HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 1 contacts → |
“InterSub is a consulting company offering design, engineering, and operations management services to the subsea cable industry.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Subsea Innovationssubseainnovations.com HQ: Katy, TX, United StatesReported employees: 1-10 | Katy, TX, United States | 1-10 | Exact match | 1 contacts → |
“Subsea Innovatons Subsea Controls, Power, and Field Development Engineers” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 46 company matches
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Offshore substation topside suppliers: dataset insights
October 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
46 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 46 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for offshore substation topside suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many offshore substation topside suppliers did RevenueBase find based in the United States?
The saved snapshot records 46 matching company records, 3,646 tracked contacts and 204 verified emails. The public preview displays 22 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Offshore substation topside suppliers by geography
Cite this list
RevenueBase Data Team. Top 22 offshore substation topside suppliers based in the United States. Snapshot: October 28, 2026. https://revenuebase.ai/companies/offshore-substation-topside-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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