Company lists · Data refreshed September 2026

Top 25 Fiber optic consulting firms worldwide

Name: Fiber optic consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 7,292 companies tracked

RevenueBase identified 7,292 fiber optic consulting firms worldwide as of September 2026 and tracks 118,059 professional contacts across them, including 26,108 with verified work emails. The United States is the largest market and Shenzhen the largest hub.

This list covers fiber optic consulting firms worldwide, 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. Country and city lists for fiber optic consulting firms follow the table.

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 28, 2026 86% judged on-target in blind review

7,292Companies

118,059Contacts tracked

26,108Verified emails

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The 25 largest fiber optic consulting firms worldwide

Ranked by team size

Top 25 of 7,292 fiber optic consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to fiber optic consulting firms: 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	Desktop	Indirect evidence	Sumaré, BrazilHQ checked Sep 28, 2026	1,001-5,000	2,354 contacts →
	Indirect evidence “A Desktop é uma empresa de telecomunicação comprometida em conectar você ao futuro com velocidade, estabilidade e inovação!” Source: RevenueBase Database · checked Sep 28, 2026
2	LCC	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 28, 2026	5,001-10,000	2,193 contacts →
	Indirect evidence “In Feb.” Source: RevenueBase Database · checked Sep 28, 2026
3	Telecon	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 28, 2026	1,001-5,000	1,573 contacts →
	Indirect evidence “From a regional telecom networks builder in 1967 in Quebec (Canada), Telecon has grown into a world-class industry-leading telecom networks design, infrastructure and connectivity…” Source: RevenueBase Database · checked Sep 28, 2026
4	Hotwire Communications LTD	Strong evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,420 contacts →
	Strong evidence “Hotwire Communications is a national leader in fiber optic technology, delivering advanced, customized telecommunications solutions to residential, commercial, senior-living…” Source: RevenueBase Database · checked Sep 28, 2026
5	Sofrecom Tunisie	Indirect evidence	Tunis, TunisiaHQ checked Sep 28, 2026	1,001-5,000	1,397 contacts →
	Indirect evidence “Sofrecom, filiale du groupe France Télécom - Orange, a développé depuis plus de 45 ans un savoir-faire unique dans les métiers de l’opérateur, qui en fait aujourd’hui l’un des…” Source: RevenueBase Database · checked Sep 28, 2026
6	Subcom	Strong evidence	United StatesHQ checked Sep 28, 2026	1,001-5,000	1,185 contacts →
	Strong evidence “SubCom engineers, manufactures, and installs subsea fiber optic data cables - the unsung heroes of global communication.” Source: RevenueBase Database · checked Sep 28, 2026
7	CCI Systems	Indirect evidence	Iron Mountain, MI, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,077 contacts →
	Indirect 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 28, 2026
8	Kelly Group	Indirect evidence	Wembley, United KingdomHQ checked Sep 28, 2026	1,001-5,000	1,053 contacts →
	Indirect evidence “Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Source: RevenueBase Database · checked Sep 28, 2026
9	KGPCO	Indirect evidence	Faribault, MN, United StatesHQ checked Sep 28, 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 28, 2026
10	Líder Telecom Ltda	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	1,001-5,000	959 contacts →
	Indirect evidence “A Líder Telecom oferece aos clientes serviços de assessoria necessária ao estabelecimento de seu planejamento técnico e operacional para atendimento a redes corporativas de…” Source: RevenueBase Database · checked Sep 28, 2026
11	SEGRA	Strong evidence	Charlotte, NC, United StatesHQ checked Sep 28, 2026	1,001-5,000	950 contacts →
	Strong evidence “Segra owns and operates a wide and dense fiber-optic infrastructure footprint that provides state-of-the-art connectivity, cybersecurity, voice, cloud and colocation solutions…” Source: RevenueBase Database · checked Sep 28, 2026
12	NTG Clarity	Indirect evidence	Markham, ON, CanadaHQ checked Sep 28, 2026	501-1,000	876 contacts →
	Indirect evidence “NTG CLARITY is a leader in delivering network, telecom, IT and infrastructure solutions to network service providers and medium and large enterprises.” Source: RevenueBase Database · checked Sep 28, 2026
13	PT Mega Akses Persada Fiberstar	Indirect evidence	Jakarta, IndonesiaHQ checked Sep 28, 2026	501-1,000	831 contacts →
	Indirect evidence “Indonesia's robust IT market has paved the way for increasing demand in IT infrastructure, products and services.” Source: RevenueBase Database · checked Sep 28, 2026
14	OFS	Strong evidence	Norcross, GA, United StatesHQ checked Sep 28, 2026	1,001-5,000	816 contacts →
	Strong evidence “OFS is a world-leading innovator, manufacturer and provider of infrastructure solutions for communication networks and specialty fiber optic products.” Source: RevenueBase Database · checked Sep 28, 2026
15	Lumos Fiber	Strong evidence	High Point, NC, United StatesHQ checked Sep 28, 2026	501-1,000	717 contacts →
	Strong evidence “Lumos delivers 100% Fiber Optic Internet and Whole-Home Wi-Fi to a growing network of homes, businesses and multi-family buildings throughout the Midwest and Eastern US.” Source: RevenueBase Database · checked Sep 28, 2026
16	Westower Communications LTD	Indirect evidence	Spruce Grove, AB, CanadaHQ checked Sep 28, 2026	201-500	711 contacts →
	Indirect evidence “WesTower Communications is Canada’s largest Telecommunications construction company and is committed to meeting the dynamic needs of today’s wireless telecommunications and…” Source: RevenueBase Database · checked Sep 28, 2026
17	Nexwave Technologies	Indirect evidence	SingaporeHQ checked Sep 28, 2026	201-500	702 contacts →
	Indirect evidence “Nexwave Technologies is a regional provider of telecommunication network engineering services.” Source: RevenueBase Database · checked Sep 28, 2026
18	Immco INC	Indirect evidence	Canton, GA, IndiaHQ checked Sep 28, 2026	1,001-5,000	692 contacts →
	Indirect evidence “Founded in 1992, IMMCO is a global provider of network design, GIS, and software solutions for the broadband and telecommunications industries.” Source: RevenueBase Database · checked Sep 28, 2026
19	Smartlink Group	Indirect evidence	Annapolis, MD, United StatesHQ checked Sep 28, 2026	501-1,000	689 contacts →
	Indirect evidence “Smartlink powers the digital infrastructure behind today’s connected world.” Source: RevenueBase Database · checked Sep 28, 2026
20	Circet USA	Indirect evidence	Kennesaw, GA, United StatesHQ checked Sep 28, 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 28, 2026
21	ADB Companies, LLC	Indirect evidence	Pacific, MO, United StatesHQ checked Sep 28, 2026	1,001-5,000	628 contacts →
	Indirect 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 28, 2026
22	TAK Broadband	Partial evidence	Sioux Falls, SD, United StatesHQ checked Sep 28, 2026	1,001-5,000	620 contacts →
	Partial evidence “TAK Broadband is a nationwide fiber broadband construction partner operating across the U.S.” Source: RevenueBase Database · checked Sep 28, 2026
23	Padtec S A	Indirect evidence	Campinas, BrazilHQ checked Sep 28, 2026	501-1,000	614 contacts →
	Indirect evidence “A reference for high-capacity optical transport technology and systems, Padtec offers an extensive product portfolio that meets the end-to-end demands - in transmission, optical…” Source: RevenueBase Database · checked Sep 28, 2026
24	JSI	Indirect evidence	Greenbelt, MD, United StatesHQ checked Sep 28, 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 28, 2026
25	Centerline	Indirect evidence	West Bridgewater, MA, United StatesHQ checked Sep 28, 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 28, 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: fiber optic consulting firms. 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 fiber optic consulting firms.
Partial evidence: Its own public description names part of fiber optic consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name fiber optic consulting firms. 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 7,292 fiber optic consulting firms worldwide

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Fiber optic consulting firms worldwide at a glance

As of Sep 28, 2026

22.1%Verified-email coverage

16.2Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Shenzhen

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,057

11-50

2,544

51-200

1,154

201-500

320

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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 fiber optic consulting firms, 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.
Coverage: Every country. Country and city lists for fiber optic consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “fiber optic consulting firms”. 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 fiber optic consulting firms), 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 fiber optic consulting firms, and records with no verified work email.
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, 26,108 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.

Fiber optic consulting firms by location

29 lists · largest first

Every Fiber optic consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 fiber optic consulting firms, 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 fiber optic consulting firms are there worldwide?

RevenueBase identified 7,292 fiber optic consulting firms worldwide 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?

Desktop, headquartered in Sumare, tops this list with the largest team on record.

Which country has the most fiber optic consulting firms?

The United States leads with 1,575 companies, followed by Brazil (596) and Germany (378). Every fiber optic consulting firms list by country and city is linked on this page.

Which city has the most fiber optic consulting firms?

Shenzhen leads with 109 headquartered companies, followed by Sao Paulo (65) and Paris (48).

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 26,108 verified decision-maker contacts tracked across these 7,292 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.