Company lists · Data refreshed September 2026

Top 14 Industrial iot integrators based in Kolkata, India

Name: Industrial iot integrators based in Kolkata, India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 48 companies tracked

RevenueBase identified 48 company matches for industrial iot integrators associated with Kolkata, India as of September 2026 and tracks 585 professional contacts across them, including 98 with verified work emails. Across India, Pune is the largest hub for this category (238 companies); Kolkata has 48.

This list covers company matches for industrial iot integrators associated with Kolkata, India, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built

48Companies

585Contacts tracked

98Verified emails

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The 14 largest industrial iot integrators based in Kolkata, India

Ranked by team size

Top 14 of 48 company matches for industrial iot integrators based in Kolkata, India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Greenwave Solutions Private Limited	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	51-200	70 contacts →
	Exact match “Greenwave partners with Manufacturers worldwide to enable them in their journey of Digitalizing their manufacturing footprint.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Transtech Equipments Pvt. LTD	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	26 contacts →
	Exact match “Based out of Kolkata, India, Transtech Equipments Pvt.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Passionate Solver Technologies	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “Passionate Solver Technologies (PST) is an innovative technology firm dedicated to solving complex industrial challenges.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Eegrab	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	19 contacts →
	Exact match “EEGRAB is a leading provider of IoT and IIoT solutions, empowering industries to achieve digital transformation through innovative and scalable technologies.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Manufacturing Automation & Software Solutions	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “We provide automation solutions to the manufacturing industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Armatrics Applications	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Armatrics & Siemens Armatrics Applications is a System House of SIEMENS having rich technological expertise on the Siemens automation portfolio and platforms, therby providing…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Aeonix Research And Innovations	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Aeonix Research & Innovations LLP builds end-to-end solutions in IoT, AI, Robotics and SaaS for governments, smart cities and enterprises.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Micro System Foundations	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “MICRO SYSTEM FOUNDATIONS is an Industrial Automation company with over 30 years of experience in this field.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Coding Objects Private Limited Copl	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Coding Objects Private Limited is a pioneering software development and analytics company specializing in Deep AI-powered industrial automation.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Durbin Technologies	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “We're a next generation IoT and AI-based company focusing on providing comprehensive services to empower businesses with a robust ecosystem of IoT and AI solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Techavo Systems	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Techavo Systems is your one-stop solution for all your IoT integration needs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Teknowlegion Private Limited	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “A leadership team with considerable business experience supported by strong development and delivery teams committed to offering solutions and services in the digital space by…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Greenfield Software Private Limited	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “GreenField Software (GFS) specializes in Industrial IoT applications.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Empathy AI	Exact match	Kolkata, IndiaHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Empathy AI PVT LTD.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “industrial iot integrators”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 14 of 48 industrial iot integrators based in Kolkata, India

See the full list, filter by size, metro and specialty, and access 98 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial iot integrators based in Kolkata, India at a glance

As of Sep 17, 2026

16.8%Verified-email coverage

12.2Average contacts per company

11-50Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole India list rather than for Kolkata, so it is reported there. Company counts and contact totals on this page are exact for Kolkata, over 48 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Kolkata, India whose business descriptions match “industrial iot integrators” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 98 professional contacts with verified work emails across the full matched dataset. 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 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Industrial iot integrators by metro in India

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “industrial iot integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial iot integrators are there based in Kolkata, India?

RevenueBase identified 48 company matches for industrial iot integrators associated with Kolkata, India as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Greenwave Solutions Private Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in India has the most industrial iot integrators?

Pune leads India with 238 company records, followed by Bangalore (203) and Chennai (103). Kolkata has 48.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 98 professional contacts with verified work emails tracked across these 48 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 SmartSearch, 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.