Company lists · Data refreshed September 2026

Top 25 Telecommunications systems integration companies based in the United States

Name: Telecommunications systems integration companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 5,880 companies tracked

RevenueBase identified 5,880 telecommunications systems integration companies headquartered in the United States as of September 2026 and tracks 122,498 professional contacts across them, including 41,479 with verified work emails. New York is the largest hub.

This list covers telecommunications systems integration 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 29, 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 29, 2026 86% judged on-target in blind review

5,880Companies

122,498Contacts tracked

41,479Verified emails

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The 25 largest telecommunications systems integration companies based in the United States

Ranked by team size

Top 25 of 5,880 telecommunications systems integration companies based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to telecommunications systems integration companies: 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	Convergint	Partial evidence	Hoffman Estates, IL, United StatesHQ checked Sep 29, 2026	10001+	5,707 contacts →
	Partial evidence “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Source: RevenueBase Database · checked Sep 29, 2026
2	Black BOX	Strong evidence	Plano, TX, United StatesHQ checked Sep 29, 2026	1,001-5,000	3,667 contacts →
	Strong evidence “Black Box is a global leader in digital infrastructure solutions, delivering network and system integration, managed services, and technology products to Fortune 100 and top…” Source: RevenueBase Database · checked Sep 29, 2026
3	Automated Systems Design, INC	Partial evidence	Alpharetta, GA, United StatesHQ checked Sep 29, 2026	n/a	2,678 contacts →
	Partial evidence “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Source: RevenueBase Database · checked Sep 29, 2026
4	LCC	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 29, 2026	5,001-10,000	2,193 contacts →
	Indirect evidence “In Feb.” Source: RevenueBase Database · checked Sep 29, 2026
5	IES Communications	Indirect evidence	Tempe, AZ, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,800 contacts →
	Indirect evidence “IES Communications a division of IES (NASDAQ: IESC) provides each client with a team of highly qualified dedicated professionals that deliver superior quality and cost effective…” Source: RevenueBase Database · checked Sep 29, 2026
6	Congruex	Indirect evidence	Boulder, CO, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,676 contacts →
	Indirect evidence “Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.” Source: RevenueBase Database · checked Sep 29, 2026
7	ADC	Partial evidence	Eden Prairie, MN, United StatesHQ checked Sep 29, 2026	5,001-10,000	1,271 contacts →
	Partial evidence “We help the world communicate, supplying network equipment, software solutions, and integration services for broadband, multiservice networks that deliver data, video, and voice…” Source: RevenueBase Database · checked Sep 29, 2026
8	CCI Systems	Strong evidence	Iron Mountain, MI, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,077 contacts →
	Strong evidence “CCI Systems is an employee-owned solution provider specializing in telecommunications, comprehensive network assessments, industry-leading engineering, drafting and design…” Source: RevenueBase Database · checked Sep 29, 2026
9	E2 Optics	Indirect evidence	Englewood, CO, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,001 contacts →
	Indirect evidence “E2 Optics is an award-winning, woman-owned, low voltage IT solutions integrator.” Source: RevenueBase Database · checked Sep 29, 2026
10	KGPCO	Indirect evidence	Faribault, MN, United StatesHQ checked Sep 29, 2026	1,001-5,000	974 contacts →
	Indirect evidence “KGPCo is a key strategic partner to the world’s leading communication and technology companies creating the next generation of networks.” Source: RevenueBase Database · checked Sep 29, 2026
11	Ervin Cable Construction LLC	Partial evidence	Sturgis, KY, United StatesHQ checked Sep 29, 2026	1,001-5,000	949 contacts →
	Partial evidence “Ervin Cable Construction, LLC (ECC) is a seasoned leader in telecommunications construction, founded in 1980.” Source: RevenueBase Database · checked Sep 29, 2026
12	Allied Telesis	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 29, 2026	1,001-5,000	816 contacts →
	Indirect evidence “Our world is increasing in complexity.” Source: RevenueBase Database · checked Sep 29, 2026
13	Ansco & Associates, LLC	Indirect evidence	Norcross, GA, United StatesHQ checked Sep 29, 2026	1,001-5,000	810 contacts →
	Indirect evidence “Ansco & Associates, LLC (“Ansco”) has been providing engineering, construction, and professional services in the national marketplace for over 35 years.” Source: RevenueBase Database · checked Sep 29, 2026
14	Telamon	Strong evidence	Carmel, IN, United StatesHQ checked Sep 29, 2026	1,001-5,000	739 contacts →
	Strong evidence “Telamon is a leading provider of connectivity integration, implementation, and distribution solutions for many of the world’s most recognized telecommunications, transportation…” Source: RevenueBase Database · checked Sep 29, 2026
15	Smartlink Group	Indirect evidence	Annapolis, MD, United StatesHQ checked Sep 29, 2026	501-1,000	689 contacts →
	Indirect evidence “Smartlink powers the digital infrastructure behind today’s connected world.” Source: RevenueBase Database · checked Sep 29, 2026
16	Circet USA	Indirect evidence	Kennesaw, GA, United StatesHQ checked Sep 29, 2026	1,001-5,000	637 contacts →
	Indirect evidence “Circet USA is a leading builder of network infrastructure with services tailored to your specific needs, including the design, engineering, construction, and maintenance of data…” Source: RevenueBase Database · checked Sep 29, 2026
17	ADB Companies, LLC	Partial evidence	Pacific, MO, United StatesHQ checked Sep 29, 2026	1,001-5,000	628 contacts →
	Partial evidence “ADB is an industry-leading infrastructure solutions provider, proudly building networks, connections, and partnerships nationwide within the telecommunications and utility…” Source: RevenueBase Database · checked Sep 29, 2026
18	Ford Audio-Video	Partial evidence	Oklahoma City, OK, United StatesHQ checked Sep 29, 2026	501-1,000	564 contacts →
	Partial evidence “Ford AV designs, installs, and services professional and commercial sound, audio-video, network infrastructure, and security surveillance systems for organizations including…” Source: RevenueBase Database · checked Sep 29, 2026
19	JSI	Indirect evidence	Greenbelt, MD, United StatesHQ checked Sep 29, 2026	501-1,000	563 contacts →
	Indirect evidence “JSI is a national leader in next-generation digital solutions, empowering providers to build, scale, and optimize high-performance networks.” Source: RevenueBase Database · checked Sep 29, 2026
20	Nextgen GTA A Kelly Telecom Company	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 29, 2026	501-1,000	560 contacts →
	Indirect evidence “As part of KELLY’s SETT (Science, Engineering, Technology, and Telecom) Business Unit, we are committed to providing state-of-the-art digital infrastructure and telecom…” Source: RevenueBase Database · checked Sep 29, 2026
21	ITI	Indirect evidence	Bluffton, IN, United StatesHQ checked Sep 29, 2026	n/a	545 contacts →
	Indirect evidence “At Indiana Technical Installations we provide IT Services/Networking, Home & Business Security/Surveillance Services, Custom Audio/Video and more.” Source: RevenueBase Database · checked Sep 29, 2026
22	Accu-Tech Corporation	Indirect evidence	Alpharetta, GA, United StatesHQ checked Sep 29, 2026	201-500	532 contacts →
	Indirect evidence “Accu-Tech is a national distributor of Audiovisual, Data Center Infrastructure, Security, and Wireless solutions.” Source: RevenueBase Database · checked Sep 29, 2026
23	Quadgen	Indirect evidence	King Of Prussia, PA, United StatesHQ checked Sep 29, 2026	501-1,000	519 contacts →
	Indirect evidence “QuadGen is a network and engineering services company, enabling customers to deploy new technologies, improve network capacity, reduce costs and optimize network performance.” Source: RevenueBase Database · checked Sep 29, 2026
24	Centerline	Indirect evidence	West Bridgewater, MA, United StatesHQ checked Sep 29, 2026	1,001-5,000	477 contacts →
	Indirect evidence “Centerline is a leading provider of critical infrastructure services for next-generation networks across North America.” Source: RevenueBase Database · checked Sep 29, 2026
25	Technology Integration Group	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 29, 2026	201-500	455 contacts →
	Indirect evidence “Our Mission: TIG will earn its place as a trusted partner to our clients, providing only the highest level of service, value and advanced technology to power their strategic…” Source: RevenueBase Database · checked Sep 29, 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: telecommunications systems integration 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 telecommunications systems integration companies.
Partial evidence: Its own public description names part of telecommunications systems integration companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecommunications systems integration 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 5,880 telecommunications systems integration companies based in the United States

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Telecommunications systems integration companies based in the United States at a glance

As of Sep 29, 2026

33.9%Verified-email coverage

20.8Average contacts per company

11-50Median size (employees)

2.0%Largest-city concentration · New York

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

2,464

11-50

2,363

51-200

755

201-500

165

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 5,880 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 telecommunications systems integration 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 “telecommunications systems integration 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 telecommunications systems integration 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 telecommunications systems integration 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, 41,479 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 29, 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.

Telecommunications systems integration companies by metro

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 telecommunications systems integration 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 telecommunications systems integration companies are there based in the United States?

RevenueBase identified 5,880 telecommunications systems integration 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?

Convergint, headquartered in Hoffman Estates, tops this list with the largest team on record.

Which city has the most telecommunications systems integration companies?

New York leads with 118 headquartered companies, followed by Houston (109) and Miami (69).

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 41,479 verified decision-maker contacts tracked across these 5,880 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 29, 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.