Company lists · Data refreshed September 2026
Top 25 Subsea connector manufacturers based in the United States
RevenueBase identified 65 subsea connector manufacturers headquartered in the United States as of September 2026 and tracks 3,933 professional contacts across them, including 679 with verified work emails. Houston is the largest hub.
This list covers subsea connector manufacturers headquartered in the 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 30, 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 25 largest subsea connector manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 327 contacts → | ||||
Partial evidence “Headquartered in Springfield, Missouri, Positronic, an Amphenol company has been providing connector solutions worldwide since 1966.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 259 contacts → | ||||
Partial evidence “Trendsetter is a global provider of specialized subsea solutions to the oil and gas industry's toughest challenges.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 166 contacts → | ||||
Strong evidence “Deepsea Technologies, Inc.(DTI) Engineers and Manufactures a wide range of products and equipment used in subsea oil & gas field development projects.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 74 contacts → | ||||
Partial evidence “OES has established itself as a leader in the subsea hydraulic controls sector of the the Oil & Gas industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 72 contacts → | ||||
Partial evidence “Amphenol Sine Systems designs, manufacturers and supplies high-performance interconnect systems for a range of Industrial applications including for use with Automation, Marine…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 57 contacts → | ||||
Partial evidence “Koil Energy is a leading energy services company offering subsea equipment and support services to the world’s energy and offshore industries.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 43 contacts → | ||||
Strong evidence “Founded in 1971… Five employees used a investment and followed their dream of producing the world’s finest quality substation power connectors.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 38 contacts → | ||||
Partial evidence “ABCO designs and manufactures quality, cost effective, safe and efficient offshore energy solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 34 contacts → | ||||
Partial evidence “Slingco is a globally trusted leader in engineered solutions for the Utility, Oil & Gas, Subsea/Marine, and Wind/Energy sectors.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 28 contacts → | ||||
Strong evidence “QPC Fiber Optic is an optical technology company based in Southern California, serving customers worldwide since We design and manufacture fiber optic connectors, fiber optic…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 27 contacts → | ||||
Indirect evidence “PMI Industries believes ultimate engineering equals ultimate value.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 24 contacts → | ||||
Strong evidence “Titan Subsea Innovations, LLC is a Houston-based subsea pipeline connector company that provides unique engineered solutions for new construction, repairs, tie-ins, abandonments…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 20 contacts → | ||||
Strong evidence “The Design and Manufacture of Underwater Connection Systems and Products including Fiber-Optic and Electric Connectors and Jumper Assemblies, Wet-Mates, Dry-Mates, Optical…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 19 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 17 contacts → | ||||
Partial evidence “Since 1980, GB Connections (GBC) has been the industry leader in semi-premium connections suitable for applications ranging from deep water, offshore wells to today’s so-called…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 14 contacts → | ||||
Partial evidence “Connectronics Corp.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “Deep Down Inc is an oil & energy company based out of Channelview, Texas, United States.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 10 contacts → | ||||
Partial evidence “Tecnadyne develops and manufactures equipment for underwater use.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 10 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 9 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Partial evidence “Universal Subsea Inc.(USI) is a Houston TX based company with innovative products and technologies for the offshore oil and gas industry to reduce intervention costs and improve…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Indirect evidence “AES is a provider of engineered services and products primarily to the offshore oil and gas industry, with a focus on offshore systems and deep-water applications.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “Hydro Group Systems Inc, Hydro Group Systems Inc.” Source: RevenueBase Database · checked Sep 30, 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: subsea connector manufacturers. 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 subsea connector manufacturers.
- Partial evidence
- Its own public description names part of subsea connector manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name subsea connector manufacturers. 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 25 of 65 subsea connector manufacturers based in the United States
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Subsea connector manufacturers based in the United States at a glance
As of Sep 30, 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 65 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 subsea connector manufacturers, 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 the United States whose own description of what they do matches “subsea connector manufacturers”. 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 subsea connector manufacturers), 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 subsea connector manufacturers, and records with no verified work email. Companies headquartered outside United States 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, 679 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 30, 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.
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 subsea connector manufacturers, 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 subsea connector manufacturers are there based in the United States?
RevenueBase identified 65 subsea connector manufacturers headquartered in the 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?
Positronic Amphenol, headquartered in Springfield, tops this list with the largest team on record.
Which city has the most subsea connector manufacturers?
Houston leads with 13 headquartered companies, followed by El Cajon (3) and Chicago (2).
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 679 verified decision-maker contacts tracked across these 65 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 30, 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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