Company lists · Data refreshed September 2026

Top 22 IT services companies based in Columbia, United States

Name: IT services companies based in Columbia, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 70 companies tracked

RevenueBase identified 70 IT services companies headquartered in Columbia, United States as of September 2026 and tracks 1,114 professional contacts across them, including 181 with verified work emails. New York is the largest hub.

This list covers IT services companies headquartered in Columbia, 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 4, 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 4, 2026 86% judged on-target in blind review

70Companies

1,114Contacts tracked

181Verified emails

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The 22 largest IT services companies based in Columbia, United States

Ranked by team size

Top 22 of 70 IT services companies based in Columbia, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names IT services companies: 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.
#	Company	Headquarters	Employees	Contacts
1	TM Floyd & Company TMFStrong evidence	Columbia, SC, United StatesHQ checked Sep 4, 2026	51-200	128
	“Innovative IT Consulting and Staffing TM Floyd & Company (TMF) is a national leader in IT staffing, consulting, and contracting.” Source: company website · checked Sep 4, 2026
2	SCD Information TechnologyIndirect evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	51-200	74
	“SCD exists to provide innovative, technologically superior information technology solutions to business professionals and defense agencies in the Baltimore, Washington and…” Source: company website · checked Sep 4, 2026
3	Apex IT ServicesStrong evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	11-50	48
	“Apex IT Services, LLC is a CMMI Level 3 SBA 8(A) certified IT services firm delivering quality IT services in System Integration [SI], Electronic Data Interchange [EDI], Business…” Source: company website · checked Sep 4, 2026
4	Aditi LLCIndirect evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	11-50	44
	“Aditi specializes in Professional Services, Database Administration/ Maintenance, Technical support, Software Development, Cloud Infrastructure Development and Support, DevOps…” Source: company website · checked Sep 4, 2026
5	Pace Computer Solutions INCStrong evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	51-200	33
	“PACE Computer Solutions, your “Gateway to Global Solutions,” is an IT Consulting Services and a Systems Integration firm.” Source: company website · checked Sep 4, 2026
6	Midwest ComputechIndirect evidence	Columbia, MO, United StatesHQ checked Sep 4, 2026	11-50	23
	“Since 1982 Midwest Computech has partnered with the business, education, and government sectors to provide complete, cost-effective, time-efficient and customized solutions for…” Source: company website · checked Sep 4, 2026
7	Enewvision LLCStrong evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	11-50	19
	“We realize IT Solutions that support you in achieving your ambitions.” Source: company website · checked Sep 4, 2026
8	Ease TechnologiesStrong evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	51-200	17
	“Ease Technologies is an IT consulting and technology services firm that supports clients and markets seeking flexibility, creative talent and high reliability in a partner.” Source: company website · checked Sep 4, 2026
9	Professional TechnologiesIndirect evidence	Columbia, MO, United StatesHQ checked Sep 4, 2026	1-10	14
	“Professional Technologies believes that by always focusing on the client’s best interests and offering a “right-sized” solution is the most essential ingredient to building a…” Source: company website · checked Sep 4, 2026
10	Gregory TechnologiesStrong evidence	Columbia, SC, United StatesHQ checked Sep 4, 2026	11-50	13
	“Information technology (IT) is the lifeblood of today’s society.” Source: company website · checked Sep 4, 2026
11	JustekIndirect evidence	Columbia, United StatesHQ checked Sep 4, 2026	1-10	13
	“JUSTEK provides business level support for: networks, servers, phone systems, desktop and laptop computers, and technology guidance for various small and medium size business…” Source: company website · checked Sep 4, 2026
12	Unify Solutions INCIndirect evidence	Columbia, United StatesHQ checked Sep 4, 2026	51-200	12
	“Founded in the year Unify boasts of an infrastructure that is backed by a highly dedicated, and result oriented Team, which is duly supported by state-of-the art technology.” Source: company website · checked Sep 4, 2026
13	VSP Astra SolutionsIndirect evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	11-50	12
	“At VSPastra, our motive is to provide utmost customer satisfaction by providing cost- effective solutions.” Source: company website · checked Sep 4, 2026
14	Itenology CorporationIndirect evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	11-50	11
	“Itenology Corporation offers full professional services to the Information Technology and Engineering Industries.” Source: company website · checked Sep 4, 2026
15	Tagma Solutions, INCStrong evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	11-50	10
	“Welcome to Tagma Solutions, a premier provider of tailored IT services and consulting solutions crafted to meet the evolving needs of modern businesses.” Source: company website · checked Sep 4, 2026
16	Software Consortium, LLC D B A PrimesoftIndirect evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	51-200	10
	“Software Consortium, LLC d/b/a PrimeSoft provides information technology services with high value, high impact client delivery.” Source: company website · checked Sep 4, 2026
17	It1 SolutionsIndirect evidence	Columbia, SC, United StatesHQ checked Sep 4, 2026	1-10	9
	“Companies We Help: Companies (small to medium size) who put a premium value on: Data Integrity and Security Speed of Data Transfer Consistent Up-Time Businesses we work well with…” Source: company website · checked Sep 4, 2026
18	Converged, LLCIndirect evidence	Columbia, SC, United StatesHQ checked Sep 4, 2026	11-50	8
	“Converged, LLC is a value added integration and services organization that specializes in Data Center technologies and stacks.” Source: company website · checked Sep 4, 2026
19	NOW Technologies, Inc. NTIIndirect evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	11-50	6
	“Now Technologies Inc.(NTI) is an MDOT certified Small Business Enterprise (SBE), headquartered in Columbia, Maryland.” Source: company website · checked Sep 4, 2026
20	Seras ITIndirect evidence	Columbia, SC, United StatesHQ checked Sep 4, 2026	1-10	6
	“Seras is your local provider for Computer Systems and Information Technology repair and support services.” Source: company website · checked Sep 4, 2026
21	Networking Concepts, INCStrong evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	1-10	4
	“Networking Concepts provides IT consulting, design, implementation and support services.” Source: company website · checked Sep 4, 2026
22	S4 Analytics, LLCStrong evidence	Columbia, MD, United StatesHQ checked Sep 4, 2026	11-50	4
	“S4 Analytics is a Service-Disabled Veteran-Owned Small Business (SDVOSB) and Information Technology (IT) company founded in 2009 by Col.(Ret.) Ira Snell, Jr.” Source: company website · checked Sep 4, 2026

Showing 22 of 70 IT services companies based in Columbia, United States

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IT services companies based in Columbia, United States at a glance

As of Sep 4, 2026

11-50Median size (employees)

New YorkLargest hub · 636 HQs

Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

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 Columbia, over 70 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 IT services companies, 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 Columbia, United States whose own description of what they do matches “IT services companies”. 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 IT services companies, and records with no verified work email. Companies headquartered outside Columbia 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, 181 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 4, 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.

IT services companies by metro in the United States

Frequently asked

How many IT services companies are there based in Columbia, United States?

RevenueBase identified 70 IT services companies headquartered in Columbia, 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?

TM Floyd & Company TMF, headquartered in Columbia, tops this list with the largest team on record.

Which city has the most IT services companies?

New York leads with 636 headquartered companies, followed by Houston (408) and Austin (303).

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 181 verified decision-maker contacts tracked across these 70 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 4, 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.