Company lists · Data refreshed September 2026
Top 25 Low-latency processing software companies based in the United States
RevenueBase identified 86 low-latency processing software companies headquartered in the United States as of September 2026 and tracks 2,542 professional contacts across them, including 1,419 with verified work emails. New York is the largest hub.
This list covers low-latency processing software companies 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 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 25 largest low-latency processing software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 474 contacts → | ||||
Indirect evidence “When Instinet gave birth to electronic trading in 1969, we were a small tech-focused start-up with a simple point of view: technology can bring great efficiency to the financial…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 471 contacts → | ||||
Partial evidence “Pico is a leading global provider of mission-critical technology services, software, data, and analytics for the financial markets community.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 220 contacts → | ||||
Strong evidence “Trade Better with Exegy | Scalable, Reliable Market Data and Trading Infrastructure for Capital Markets Exegy powers global capital markets with low-latency, mission-critical…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 173 contacts → | ||||
Indirect evidence “oneZero develops multi-asset class trading technology, which empowers financial institutions and brokers to compete in today’s ever-changing global markets.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 123 contacts → | ||||
Indirect evidence “HPR is a comprehensive platform-as-a-service, pioneering hardware-based trading infrastructure solutions as the natural evolution in capital markets.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 85 contacts → | ||||
Indirect evidence “Legacy trading infrastructure can’t keep pace with the way modern wealth firms operate.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 80 contacts → | ||||
Strong evidence “McKay Brothers is the acknowledged leader in providing low latency wireless networks between key financial markets globally.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 74 contacts → | ||||
Indirect evidence “Intelligent Execution.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 69 contacts → | ||||
Partial evidence “At Concurrent Real-Time, we’re proud to say we are the industry’s foremost provider of high-performance, real-time Linux computer systems and software solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 62 contacts → | ||||
Indirect evidence “Financial firms need a new approach to infrastructure to support their strategies, growth and success in today’s market.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 61 contacts → | ||||
Indirect evidence “About Us: Founded in the heart of Silicon Valley in 1997, Fortex has been at the forefront of financial technology innovation for over two decades.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 54 contacts → | ||||
Indirect evidence “Powering Global Trading Since 1989 Quick Suite Trading (QST) delivers fast, secure, and reliable technology solutions for the financial services industry.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 39 contacts → | ||||
Indirect evidence “Fast, flexible, and secure financial infrastructure for trading firms, hedge funds, and professional investors.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 38 contacts → | ||||
Indirect evidence “About Us: We are your dedicated partner in the dynamic world of cutting-edge market data and trading solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 28 contacts → | ||||
Indirect evidence “Elk Capital Markets is a proprietary high frequency trading firm consisting of a small team of dedicated developers and traders focused on creating and deploying scalable…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 25 contacts → | ||||
Indirect evidence “Modulus was founded on a simple premise: Speed matters.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 24 contacts → | ||||
Strong evidence “Deltix is a software company specializing in solutions for buy- and sell-side customers, ranging from low-latency trading ecosystems to white-label platforms for exchanges and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 23 contacts → | ||||
Indirect evidence “At Lynx Capital Partners, LLC, we take pride in providing infrastructure for automated trading platforms with the most advanced technology and an environment conducive to maximum…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 16 contacts → | ||||
Strong evidence “Quincy Data is recognized as the leading distributor of extremely low latency market data and is dedicated to leveling the playing field for extreme low latency market data.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 10 contacts → | ||||
Strong evidence “Axon Software is a boutique-style company focused on algo trading solutions, market data processing, and connectivity.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 9 contacts → | ||||
Partial evidence “Soundpaint™ is a free and advanced software technology designed to offer the highest degree of fidelity and realism possible for digital music instruments.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Indirect evidence “Velio Labs builds high-performance infrastructure for financial markets.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 5 contacts → | ||||
Strong evidence “Nirvana Technology Solutions provides low latency infrastructure for the trading community.* Low Latency datacenter co-location * Support for front-end platforms * Customized…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 5 contacts → | ||||
Strong evidence “Blue Trading Systems enhances trading strategies and accelerates quoting times with low latency, versatile, software solutions.” 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: low-latency processing software companies. 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 low-latency processing software companies.
- Partial evidence
- Its own public description names part of low-latency processing software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name low-latency processing software companies. 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 86 low-latency processing software companies based in the United States
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Low-latency processing software companies based in the United States at a glance
As of Sep 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 86 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 low-latency processing software companies, 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 “low-latency processing software companies”. 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 low-latency processing software companies), 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 low-latency processing software companies, 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, 1,419 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.
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 low-latency processing software companies, 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 low-latency processing software companies are there based in the United States?
RevenueBase identified 86 low-latency processing software companies 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?
Instinet Incorporated, headquartered in New York, tops this list with the largest team on record.
Which city has the most low-latency processing software companies?
New York leads with 23 headquartered companies, followed by Chicago (8) and Miami (4).
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 1,419 verified decision-maker contacts tracked across these 86 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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