Company lists · Data verified August 2026

Top 25 Electrical engineering software companies based in the United States

Name: Electrical engineering 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 250 companies tracked

There are 250 electrical engineering software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 6,011 professional contacts across them, including 1,773 with verified work emails and 965 with mobile numbers. Houston is the largest hub.

This list covers electrical engineering 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.

250Companies

6,011Contacts tracked

1,773Verified emails

965Mobile numbers

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The 25 largest electrical engineering software companies based in the United States

Ranked by team size

Top 25 of 250 electrical engineering 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	ESI Group	Santa Rosa, CA	1,001-5,000	1,685	179
2	Altium	La Jolla, CA	501-1,000	1,127	657
3	Etap Software	Irvine, CA	1,001-5,000	538	275
4	Comsol, INC	Burlington, MA	501-1,000	521	2
5	Cadence Design Systems	San Jose, CA	10001+	340	169
6	ALDEC	Henderson, NV	201-500	86	18
7	Electro Magnetic Applications, INC	Lakewood, CO	51-200	72	57
8	Agnisys, INC	Boston, MA	11-50	72	1
9	RE Build Cadonix	Framingham, MA	11-50	54	29
10	Powersys	Madison, WI	51-200	51	24
11	Frenetic	San Francisco, CA	11-50	42	16
12	Remcom	State College, PA	11-50	33	26
13	Primarius Technologies	San Jose, CA	201-500	33	1
14	SKM Systems Analysis, INC	Redondo Beach, CA	11-50	31	1
15	SKM Engineering	Bountiful, UT	11-50	25	12
16	Novellus Engineering Services	Plymouth, MI	11-50	24	10
17	Wipl-D	West Hartford, CT	11-50	20	9
18	Powerdb, INC	College Station, TX	11-50	19	12
19	Shah & Associates, INC	Gaithersburg, MD	11-50	19	8
20	Lorentz Solution, INC	Santa Clara, CA	11-50	17	4
21	Pnode INC	Raleigh, NC	11-50	15	7
22	Easypower Software	Portland, OR	n/a	15	5
23	Blackpearl Technology, INC	The Woodlands, TX	11-50	13	7
24	Pinnacle Services INC	Itasca, IL	11-50	13	4
25	Power Line Systems	Madison, WI	11-50	13	3

Showing 25 of 250 electrical engineering software companies based in the United States

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Electrical engineering software companies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

HoustonLargest hub · 10 HQs

965Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

155

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Electrical engineering software companies by metro

Metro	Companies
Electrical engineering software companies in Houston	10
Electrical engineering software companies in San Francisco	9
Electrical engineering software companies in San Jose	8
Electrical engineering software companies in Austin	6
Electrical engineering software companies in Santa Clara	5
Electrical engineering software companies in Wilsonville	4
Electrical engineering software companies in Portland	4

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 “electrical engineering 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; 3 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 electrical engineering software companies are there based in the United States?

There are 250 electrical engineering software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

ESI Group, headquartered in Santa Rosa, tops this list with the largest team on record.

Which city has the most electrical engineering software companies?

Houston leads with 10 headquartered companies, followed by San Francisco (9) and San Jose (8).

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 1,773 verified decision-maker contacts tracked across these 250 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.