Company lists · Data refreshed September 2026
Top 25 Advanced propulsion system manufacturers based in the United States
RevenueBase identified 107 advanced propulsion system manufacturers headquartered in the United States as of September 2026 and tracks 87,631 professional contacts across them, including 1,920 with verified work emails. Huntsville is the largest hub.
This list covers advanced propulsion system 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 16, 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 advanced propulsion system manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 32,494 contacts → | ||||
Partial evidence “GE Aerospace is a world-leading provider of jet and turboprop engines, components and integrated systems for commercial, military, business and general aviation aircraft.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 27,506 contacts → | ||||
Strong evidence “Pratt & Whitney, an RTX business, is a global leader in propulsion systems, powering the most advanced aircraft in the world, and we are shaping the future of aviation.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 10,934 contacts → | ||||
Strong evidence “Blue Origin manufactures and operates rocket engines, reusable launch vehicles, lunar landers, and satellite systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 4,452 contacts → | ||||
Partial evidence “Every second, a plane takes off with UTC Aerospace Systems equipment onboard.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 3,399 contacts → | ||||
Indirect evidence “Orbital ATK is built on the strong heritage of two great companies, Orbital Sciences Corporation and ATK, with a history of collaboration providing reliable, affordable and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,500 contacts → | ||||
Partial evidence “Williams International is a privately-owned company that develops and manufactures jet engines for both military and commercial aircraft applications.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1,413 contacts → | ||||
Indirect evidence “Headquartered in Tulsa and employing 2,500 people across multiple, strategically-located operations and customer support facilities around the world, NORDAM is one of the largest…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 1,054 contacts → | ||||
Indirect evidence “Orbital Sciences is now Orbital ATK!” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 860 contacts → | ||||
Partial evidence “HEICO Corporation, through its subsidiaries, engages in the design, manufacture, and sale of aerospace, defense, and electronics related products and services in the United States…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 599 contacts → | ||||
Partial evidence “Unison, a GE Aerospace company, is the leading global supplier of complex gas turbine engine components and electrical & mechanical systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 396 contacts → | ||||
Indirect evidence “Engineering Innovation Manufacturing Excellence We Fly with the Fastest … With 80+ years of experience and reliability, our products are aboard virtually every major commercial…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 242 contacts → | ||||
Indirect evidence “The Nammo Group is a technology-driven aerospace and defense group specializing in high-performance defense and space solutions.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 141 contacts → | ||||
Partial evidence “Exoterra Resource LLC, is a Solar Electric Propulsion company based out of Littleton, Colorado.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 130 contacts → | ||||
Partial evidence “ESAero, an AV Company, is an aerospace engineering design and manufacturing company, specializes in cost-effective development of innovative and advanced concepts, with emphasis…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 126 contacts → | ||||
Strong evidence “We believe ours is a noble cause; to develop and manufacture the best propulsion systems and electronic solutions for spaceflight.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 117 contacts → | ||||
Indirect evidence “Griffon Aerospace is a small business that’s been making big moves since 1995.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 96 contacts → | ||||
Strong evidence “ePropelled designs and builds a broad array of robust and intelligent propulsion systems for uncrewed vehicles.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 46 contacts → | ||||
Strong evidence “America’s trusted leader in UAV propulsion and integrated solutions, NWUAV continues to engineer the future of unmanned power systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 37 contacts → | ||||
Partial evidence “PBS AEROSPACE is a part of PBS GROUP, an engineering manufacturer which globally operates in the fields of aerospace, foundry, precision engineering, the energy industry…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 37 contacts → | ||||
Indirect evidence “DES provides comprehensive engineering, design, and manufacturing solutions tailored to the Aerospace and Defense sectors.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 32 contacts → | ||||
Strong evidence “LaunchPoint Electric Propulsion Solutions, Inc.(LaunchPoint) designs and manufactures high specific power electric machines and controller solutions for the aerospace and defense…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 27 contacts → | ||||
Indirect evidence “Innoveering, LLC is a wholly owned subsidiary of GE Aerospace.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 20 contacts → | ||||
Strong evidence “Vertiq is a Philadelphia-based company that designs and builds industrial-grade propulsion systems for UAS.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 16 contacts → | ||||
Partial evidence “MagLev Aero Inc, headquartered in Boston, Massachusetts, is an innovative aerospace company developing a groundbreaking electric propulsion platform for electric and hybrid…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 15 contacts → | ||||
Indirect evidence “We are an engineering and end-to-end product development company committed to science, discovery, and the future of aerospace.” Source: RevenueBase Database · checked Sep 16, 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: advanced propulsion system 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 advanced propulsion system manufacturers.
- Partial evidence
- Its own public description names part of advanced propulsion system manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name advanced propulsion system 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 107 advanced propulsion system manufacturers based in the United States
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Advanced propulsion system manufacturers based in the United States at a glance
As of Sep 16, 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 107 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 advanced propulsion system 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 “advanced propulsion system 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 advanced propulsion system 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 advanced propulsion system 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, 1,920 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 16, 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 advanced propulsion system 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 advanced propulsion system manufacturers are there based in the United States?
RevenueBase identified 107 advanced propulsion system 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?
GE Aerospace, headquartered in Cincinnati, tops this list with the largest team on record.
Which city has the most advanced propulsion system manufacturers?
Huntsville leads with 3 headquartered companies, followed by Tulsa (3) and Dulles (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 1,920 verified decision-maker contacts tracked across these 107 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 16, 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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