Company lists · Data refreshed September 2026

Top 25 Application implementation services based in the United States

Name: Application implementation services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 968 companies tracked

RevenueBase identified 968 application implementation services headquartered in the United States as of September 2026 and tracks 30,174 professional contacts across them, including 8,250 with verified work emails. Houston is the largest hub.

This list covers application implementation services 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 21, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review

968Companies

30,174Contacts tracked

8,250Verified emails

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The 25 largest application implementation services based in the United States

Ranked by team size

Top 25 of 968 application implementation services based in the United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to application implementation services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Infovision INC	Indirect evidence	Richardson, TX, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,728 contacts →
	Indirect evidence “Infovision, founded in 1995, is a leading global IT services company offering enterprise digital transformation and modernization solutions across business verticals.” Source: RevenueBase Database · checked Sep 21, 2026
2	Leverx	Indirect evidence	Miami, FL, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,632 contacts →
	Indirect evidence “LeverX is an SAP Gold Partner, SAP Global Strategic Supplier, and enterprise solutions provider for businesses worldwide, including companies from the Fortune 500 list.” Source: RevenueBase Database · checked Sep 21, 2026
3	Tanisha Systems, INC	Partial evidence	Boston, MA, United StatesHQ checked Sep 21, 2026	1,001-5,000	844 contacts →
	Partial evidence “Tanisha Systems, founded in 2002 in Massachusetts-USA, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally.” Source: RevenueBase Database · checked Sep 21, 2026
4	Xtglobal, INC	Indirect evidence	Plano, TX, United StatesHQ checked Sep 21, 2026	501-1,000	841 contacts →
	Indirect evidence “Founded in 1998, XTGlobal, Inc.” Source: RevenueBase Database · checked Sep 21, 2026
5	NET At Work	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	201-500	679 contacts →
	Indirect evidence “At Net at Work, we help organizations unleash the power of their business performance.” Source: RevenueBase Database · checked Sep 21, 2026
6	Gemini Consulting & Services	Indirect evidence	Saint Louis, MO, United StatesHQ checked Sep 21, 2026	501-1,000	549 contacts →
	Indirect evidence “Gemini Consulting & Services (GCS) is a leading provider of technology solutions.” Source: RevenueBase Database · checked Sep 21, 2026
7	Enterprise Solutions INC	Indirect evidence	Warrenville, IL, United StatesHQ checked Sep 21, 2026	501-1,000	540 contacts →
	Indirect evidence “Enterprise Solutions, Inc.” Source: RevenueBase Database · checked Sep 21, 2026
8	Fluxtek Solutions INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 21, 2026	501-1,000	523 contacts →
	Indirect evidence “Fluxtek Solutions Inc has established a track record as a leading fast growing IT consulting, services, and outsourcing firm.” Source: RevenueBase Database · checked Sep 21, 2026
9	CG Infinity	Indirect evidence	Plano, TX, United StatesHQ checked Sep 21, 2026	201-500	479 contacts →
	Indirect evidence “People First + Driven to Transform Our people-first approach to technology offers best-in-class service and success rates.” Source: RevenueBase Database · checked Sep 21, 2026
10	Kastech Software Solutions Group	Indirect evidence	Richmond, TX, United StatesHQ checked Sep 21, 2026	1,001-5,000	472 contacts →
	Indirect evidence “Kastech Software Solutions Group, incorporated in 2007 and headquartered in Richmond, Texas, is a leading global IT services and consulting company delivering technology-driven…” Source: RevenueBase Database · checked Sep 21, 2026
11	Sigma Infosolutions LTD	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 21, 2026	201-500	454 contacts →
	Indirect evidence “Sigma Infosolutions is a prominent provider of technology solutions and services globally, with our headquarters in Irvine, USA, and global offices in Australia & India.” Source: RevenueBase Database · checked Sep 21, 2026
12	Velosio	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 21, 2026	501-1,000	430 contacts →
	Indirect evidence “Velosio is a leading Microsoft partner delivering business transformation through Microsoft Dynamics 365, Power Platform, Azure, and the broader Microsoft Cloud.” Source: RevenueBase Database · checked Sep 21, 2026
13	Prowesssoft	Indirect evidence	Cumming, GA, United StatesHQ checked Sep 21, 2026	201-500	381 contacts →
	Indirect evidence “At Prowess Software Services, we are your trusted partner for integration solutions.” Source: RevenueBase Database · checked Sep 21, 2026
14	United Techno	Indirect evidence	Pleasanton, CA, United StatesHQ checked Sep 21, 2026	201-500	372 contacts →
	Indirect evidence “At United Techno, we harness experience and collaboration to address customer challenges and devise intuitive solutions.” Source: RevenueBase Database · checked Sep 21, 2026
15	Bailiwick, An Eplus Technology, Inc. Company	Indirect evidence	Chaska, MN, United StatesHQ checked Sep 21, 2026	201-500	328 contacts →
	Indirect evidence “As a partner to some of the world’s largest companies, Bailiwick provides professionally managed technology integration and IT expertise for complex, large-scale IT initiatives.” Source: RevenueBase Database · checked Sep 21, 2026
16	Federal Soft Systems INC	Indirect evidence	Bentonville, AR, United StatesHQ checked Sep 21, 2026	501-1,000	319 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
17	Primus Software Corporation	Indirect evidence	Duluth, GA, United StatesHQ checked Sep 21, 2026	201-500	303 contacts →
	Indirect evidence “Primus Software Corporation, a leading software services company with over 29 years of industry experience, is a trusted Business & Technology Partner for enterprises seeking to…” Source: RevenueBase Database · checked Sep 21, 2026
18	Xtracit, INC	Indirect evidence	Charlotte, NC, United StatesHQ checked Sep 21, 2026	51-200	300 contacts →
	Indirect evidence “XtracIT consulting services collaborate with clients and assist them understand how the technology integration into their businesses will enhance their business growth and ensure…” Source: RevenueBase Database · checked Sep 21, 2026
19	Q1 Technologies, INC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	1,001-5,000	262 contacts →
	Indirect evidence “Q1 Technologies is a global IT solutions and services provider focused on delivering innovative, scalable, and high-impact technology outcomes for enterprises worldwide.” Source: RevenueBase Database · checked Sep 21, 2026
20	Unified Infotech	Indirect evidence	NY, United StatesHQ checked Sep 21, 2026	201-500	251 contacts →
	Indirect evidence “Unified Infotech is an award winning digital transformation partner that was founded in 2010.” Source: RevenueBase Database · checked Sep 21, 2026
21	Infobahn Softworld INC	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 21, 2026	1,001-5,000	242 contacts →
	Indirect evidence “Infobahn specializes in full-lifecycle project and consulting efforts conducted in strategic partnership with some of the world's most prominent companies.” Source: RevenueBase Database · checked Sep 21, 2026
22	Acentura INC	Indirect evidence	Silicon Valley, CA, United StatesHQ checked Sep 21, 2026	201-500	238 contacts →
	Indirect evidence “Acentura is a global technology services and solutions company helping businesses accelerate digital transformation, implement ERP systems, and scale their engineering…” Source: RevenueBase Database · checked Sep 21, 2026
23	Idhasoft	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 21, 2026	1,001-5,000	238 contacts →
	Indirect evidence “Idhasoft initiated operations in December 2006, and has emerged as a global business leader in new generation consulting and right technology deployment.” Source: RevenueBase Database · checked Sep 21, 2026
24	Rigel Networks	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 21, 2026	201-500	237 contacts →
	Indirect evidence “We empower businesses through a wide array of technology solutions, specialized services, and industry-specific offerings.” Source: RevenueBase Database · checked Sep 21, 2026
25	Congruent Software INC	Partial evidence	Bellevue, WA, United StatesHQ checked Sep 21, 2026	201-500	210 contacts →
	Partial evidence “Founded in 1994, Congruent Software is a leading software development outsourcing company specialized in custom applications development, enterprise software, cloud computing, and…” Source: RevenueBase Database · checked Sep 21, 2026

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: application implementation services. 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 application implementation services.
Partial evidence: Its own public description names part of application implementation services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name application implementation services. 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 968 application implementation services based in the United States

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Application implementation services based in the United States at a glance

As of Sep 21, 2026

27.3%Verified-email coverage

31.2Average contacts per company

11-50Median size (employees)

3.0%Largest-city concentration · Houston

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

344

11-50

338

51-200

212

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 968 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 application implementation services, 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 “application implementation services”. 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 application implementation services), 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 application implementation services, 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, 8,250 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 21, 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.

Application implementation services by metro

Application implementation services in Houston29
Application implementation services in New York26

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 application implementation services, 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 application implementation services are there based in the United States?

RevenueBase identified 968 application implementation services 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?

Infovision INC, headquartered in Richardson, tops this list with the largest team on record.

Which city has the most application implementation services?

Houston leads with 29 headquartered companies, followed by New York (26) and Irving (21).

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 8,250 verified decision-maker contacts tracked across these 968 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 21, 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.