Company lists · Data verified August 2026

Top 25 Cryptography software companies based in the United States

Name: Cryptography software companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 90 companies tracked

There are 90 cryptography software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 836 professional contacts across them, including 250 with verified work emails and 271 with mobile numbers. New York is the largest hub.

This list covers cryptography software companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

90Companies

836Contacts tracked

250Verified emails

271Mobile numbers

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The 25 largest cryptography software companies based in the United States

Ranked by team size

Top 25 of 90 cryptography software companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Envieta Systems LLC	Columbia, MD	11-50	57	6
2	Wolfssl	Edmonds, WA	51-200	41	34
3	Encryption Consulting LLC	Prosper, TX	11-50	35	22
4	QRYPT	New York	11-50	34	22
5	Spideroak	Lenexa, KS	11-50	31	15
6	Datapatrol	Washington, DC	11-50	25	16
7	Zeva Incorporated	Fairfax, VA	11-50	24	3
8	Inventonus Tech Pvt. LTD	Arlington, MA	11-50	22	9
9	Bitmark INC	Cupertino, CA	11-50	22	2
10	private.me	Palo Alto, CA	11-50	22	1
11	Safelogic	Vienna, VA	11-50	21	15
12	Zksecurity	New York	11-50	17	9
13	Human.Tech By Holonym Foundation	n/a	11-50	16	13
14	Information Security Corporation	Oak Park, IL	11-50	15	11
15	Garantir Cybersecurity	San Diego, CA	11-50	14	10
16	Endosec LLC	Washington, DC	11-50	14	6
17	OPE Technologies	Mobile, AL	11-50	14	2
18	Quantum Knight	Palo Alto, CA	1-10	13	5
19	Jnet Secure	Los Gatos, CA	11-50	12	4
20	Stealth Software Technologies, INC	Los Angeles, CA	11-50	11	7
21	Global Integrity	Mclean, VA	51-200	10	7
22	Crypton Business Software	Augusta, GA	11-50	10	4
23	qusmart.ai	Atlanta, GA	1-10	8	3
24	Cyberprotonics	New York, NY	11-50	7	2
25	QDSC	Marina Del Rey, CA	11-50	6	2

Showing 25 of 90 cryptography software companies based in the United States

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Cryptography software companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 7 HQs

271Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cryptography software companies by metro

Metro	Companies
Cryptography software companies in New York	7
Cryptography software companies in Washington	3
Cryptography software companies in New York City	2
Cryptography software companies in Atlanta	2
Cryptography software companies in Austin	2
Cryptography software companies in Fairfax	2
Cryptography software companies in Vienna	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cryptography software companies”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cryptography software companies are there based in the United States?

There are 90 cryptography software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Envieta Systems LLC, headquartered in Columbia, tops this list with the largest team on record.

Which city has the most cryptography software companies?

New York leads with 7 headquartered companies, followed by Washington (3) and New York City (2).

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 250 verified decision-maker contacts tracked across these 90 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.