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Company lists · Data refreshed September 2026

Top 25 Online advertising agencies based in Indianapolis, United States

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 80 companies tracked

RevenueBase identified 80 online advertising agencies headquartered in Indianapolis, United States as of September 2026 and tracks 243 professional contacts across them, including 96 with verified work emails. New York is the largest hub.

This list covers online advertising agencies headquartered in Indianapolis, 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
80Companies
243Contacts tracked
96Verified emails
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The 25 largest online advertising agencies based in Indianapolis, United States

Ranked by team size
Top 25 of 80 online advertising agencies based in Indianapolis, United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names online advertising agencies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Williams Randall AdvertisingPartial evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 202611-5025

“Williams Randall Advertising is a full-service marketing and advertising agency with our office in Indianapolis, Indiana.”

Source: company website · checked Sep 5, 2026
2
Paradigm Digital GroupPartial evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 202611-5013

“Paradigm Digital Group is a national digital marketing and advertising firm specializing in creative solutions for the transportation and education sector.”

Source: company website · checked Sep 5, 2026
3
SteerpointIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 202611-5012

“SteerPoint is a full-service Digital Marketing Agency providing an array of professional marketing services including search engine optimization (SEO), social media, PPC, Web…”

Source: company website · checked Sep 5, 2026
4
Proof Digital, LLCIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-1010

“Attention You Deserve!”

Source: company website · checked Sep 5, 2026
5
Site StrategicsIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 202611-508

“Site Strategics is a full-service digital marketing agency focused on delivering quantifiable results for brands.”

Source: company website · checked Sep 5, 2026
6
EvereffectIndirect evidence
Indianapolis, United StatesHQ checked Sep 5, 202611-507

“EverEffect is a full-service digital marketing company.”

Source: company website · checked Sep 5, 2026
7
Spur InteractivIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 202611-506

“Spur Interactiv offers a unique blend of digital marketing, ad-tech & sales enablement solutions that drive results for their clients.”

Source: company website · checked Sep 5, 2026
8
IntraspirePartial evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-106

“Intraspire is a women-owned boutique digital marketing agency that helps businesses grow online through smart, data-driven strategies.”

Source: company website · checked Sep 5, 2026
9
MynetwireIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 202611-506

“MyNetWire has been in business since 2001.”

Source: company website · checked Sep 5, 2026
10
1909 DigitalIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-105

“We’re 1909 DIGITAL-a digital marketing agency offering end-to-end services across owned, paid, and earned media.”

Source: company website · checked Sep 5, 2026
11
KH Complete AdvertisingPartial evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-105

“KH Complete Advertising, a minority-owned full-service advertising agency, was established in 1994.”

Source: company website · checked Sep 5, 2026
12
LivefiveIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-105

“In the heart of the digital world, LiveFive Web Design stands as a beacon of creativity and technological expertise.”

Source: company website · checked Sep 5, 2026
13
Smaac Digital Marketing, LLCIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-104

“Our digital marketing agency STRONGLY believes in providing a no bull sh*t approach!”

Source: company website · checked Sep 5, 2026
14
Megachip Technologies LLCIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 202611-504

“Megachip Technologies provides technology services as well as website, business social media systems, rich media technologies, widgets, and e-marketing services.”

Source: company website · checked Sep 5, 2026
15
Nuorbit MediaIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 202611-503

“NuOrbit Media® is a full service digital agency that has been creating innovative websites and interactive applications since 1995.”

Source: company website · checked Sep 5, 2026
16
Absorb StudiosIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-103

“Unlock your brand’s potential with Absorb Studios, Indiana’s premier full-service digital marketing agency.”

Source: company website · checked Sep 5, 2026
17
The Virtual Marketing DirectorsPartial evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-103

“For a small business, winning online means winning locally.”

Source: company website · checked Sep 5, 2026
18
Circle City DigitalIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-102

“Circle City Digital is a one-stop Indianapolis Web Design company for everything marketing.”

Source: company website · checked Sep 5, 2026
19
Lumbre MediaIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-102

“Lumbre Media is a boutique agency driven by a passion to elevate mission-driven brands and businesses through strategic, creative content and digital marketing solutions that…”

Source: company website · checked Sep 5, 2026
20
MAC StratIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-102

“Digital marketing consulting and services for SEO, PPC, and content.”

Source: company website · checked Sep 5, 2026
21
Digital ParadiseIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-102

“First, we understand your business.”

Source: company website · checked Sep 5, 2026
22
Riveting COIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-102

“Great marketing is about FORM + FUNCTION.”

Source: company website · checked Sep 5, 2026
23
Lantern Digital Marketing, LLCIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-102

“Based in Indianapolis, IN, Lantern Digital Marketing has worked with a number of small- to medium-sized businesses in a variety of industries across the country, from automotive…”

Source: company website · checked Sep 5, 2026
24
WCN DigitalIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 202611-501

“WCN Digital helps law firms build marketing systems that produce consistent, qualified cases.”

Source: company website · checked Sep 5, 2026
25
The Liveish AgencyIndirect evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 20261-101

“Our team is ready to provide you with the tools and resources to help you and your business thrive in a digital world.”

Source: company website · checked Sep 5, 2026

Showing 25 of 80 online advertising agencies based in Indianapolis, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 96 reachable decision-makers.

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Online advertising agencies based in Indianapolis, United States at a glance

As of Sep 5, 2026
1-10Median size (employees)
New YorkLargest hub · 1111 HQs
Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
61
11-50
18
51-200
1

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Indianapolis, over 80 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 online advertising agencies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Indianapolis, United States whose own description of what they do matches “online advertising agencies”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among online advertising agencies, and records with no verified work email. Companies headquartered outside Indianapolis 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 an evidence 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, 96 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 5, 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.

Online advertising agencies by metro in the United States

Frequently asked

How many online advertising agencies are there based in Indianapolis, United States?

RevenueBase identified 80 online advertising agencies headquartered in Indianapolis, 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?

Williams Randall Advertising, headquartered in Indianapolis, tops this list with the largest team on record.

Which city has the most online advertising agencies?

New York leads with 1111 headquartered companies, followed by Los Angeles (769) and Miami (613).

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 96 verified decision-maker contacts tracked across these 80 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 80 online advertising agencies based in Indianapolis, United States. Start with a free account, no credit card.

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Related lists

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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.

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