Company lists · Data refreshed November 2026

Top 20 App developers with api integration companies based in Chicago, United States

Name: App developers with api integration companies based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 141 companies tracked

RevenueBase identified 141 company matches for app developers with api integration companies associated with Chicago, United States as of November 2026 and tracks 1,701 professional contacts across them, including 302 with verified work emails. Across the United States, New York is the largest hub for this category (475 companies); Chicago has 141.

This list covers company matches for app developers with api integration companies associated with Chicago, United States, 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 November 6, 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 Nov 6, 2026 How this list was built

141Companies

1,701Contacts tracked

302Verified emails

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The 20 largest app developers with api integration companies based in Chicago, United States

Ranked by team size

Top 20 of 141 company matches for app developers with api integration companies based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Techavidus	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	98 contacts →
	Exact match “TechAvidus delivers AI-powered custom software, web, and mobile application development services for startups, SMEs, and large enterprises.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Launchpad LAB	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	51 contacts →
	Exact match “LaunchPad Lab is a digital product firm focused on web, mobile, and Salesforce development that transforms businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	MESS	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	n/a	49 contacts →
	Exact match “An independent studio that uses design & technology to make the internet a better place” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Billionapps	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	36 contacts →
	Exact match “Billion is not a number, It's a landmark!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Aptlylabs	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	31 contacts →
	Exact match “Empower your startup's vision by partnering with us to craft robust technology infrastructure tailored to your unique needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	RED Foundry	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	28 contacts →
	Exact match “We are Red Foundry, an award-winning mobile & web application design and development firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Saathiva Enterprise PVT LTD	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	26 contacts →
	Exact match “Saathiva is a global information technology solutions company with a rich and varied experience of +10 years in web & mobile solutions with stringent quality standards.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Blueshoon WEB Development	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	14 contacts →
	Exact match “Blueshoon is a web development company located in Andersonville, Chicago, IL.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Vault Innovation Group	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	14 contacts →
	Exact match “VAULT offers custom software solutions, digital experiences and growth services for tech-enabled businesses, entrepreneurs and visionaries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Devscale	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1-10	13 contacts →
	Exact match “We build your software, so you can scale your business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Programmers US	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	201-500	12 contacts →
	Exact match “A proven software development partner, Programmers Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Fig.1	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	11 contacts →
	Exact match “Bring Your Brand to Life with AI-Powered Rich Media Agents and Video Production” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Themobileappfactory	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	201-500	10 contacts →
	Exact match “A TOP NOTCH MOBILE APP SOLUTIONS PROVIDER We at “TheMobileAppFactory” are here to help you turn your Vision of An Ideal App into Reality with a wide array of expert advice from…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Techcells	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	9 contacts →
	Exact match “TechCells is a fast growing tech company offering custom software development and tailored IT outstaffing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	AIRRO	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1-10	8 contacts →
	Exact match “Chicago based product design and development studio focusing on Mobile Applications, Artificial Intelligence, Machine Learning, Web Development, Deep Learning, Bluetooth, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	RED Squirrel Technologies	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “Red Squirrel Technologies is a software development firm for mission-driven organizations like Handshake, Gitcoin, and Civitech.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Click5 Interactive LLC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match “Based in downtown Chicago, click5 Interactive is a small (but growing) team of creative technologists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Chicago Software Solutions C S S	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	6 contacts →
	Exact match “Chicago Software Solutions (C\|S\|S) is a dynamic leader in custom software development and technology consulting with over 17 years of experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Vettel Tech	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1-10	6 contacts →
	Exact match “Vettel Tech is a leading software & product development company where we focus on accelerating businesses with custom tech solutions & take care of design, development, testing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Scalan Labs LLC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match “Scalan Labs specializes in delivering cost-efficient tailor-made software solutions through our dedicated development team model, that is centered around trust, commitment and…” Recorded in the RevenueBase company graph · Nov 6, 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 “app developers with api integration companies”. 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 20 of 141 app developers with api integration companies based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 302 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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App developers with api integration companies based in Chicago, United States at a glance

As of Nov 6, 2026

17.8%Verified-email coverage

12.1Average contacts per company

11-50Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 141 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 Chicago, United States whose business descriptions match “app developers with api integration companies” 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 302 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 November 6, 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.

App developers with api integration companies by metro in the United States

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 “app developers with api integration companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many app developers with api integration companies are there based in Chicago, United States?

RevenueBase identified 141 company matches for app developers with api integration companies associated with Chicago, United States as of November 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?

Techavidus tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most app developers with api integration companies?

New York leads the United States with 475 company records, followed by Austin (224) and Los Angeles (185). Chicago has 141.

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 302 professional contacts with verified work emails tracked across these 141 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 November 6, 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.