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SEi Security, Inc.

SEi Security, Inc. Market Share Analysis for July 2026

Protect your home or business with a monitored security system from SEi. Learn more about the Midwest's best security company!

Industry: N/A

Domainseisecurity.com

Year Founded1969

Employees51 - 200

Annual Revenue$25M - $50M

SEi Security, Inc.

SEi Security, Inc. (including company regionals)

seisecurity.com

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SEi Security, Inc. Revenue up to July 2026 is 25M - 50M

revenue generated by SEi Security, Inc. top domains

SEi Security, Inc. top domains revenue over 3 years

Revenue for SEi Security, Inc. top domains

seisecurity.com25M - 50M

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Total visits to SEi Security, Inc.'s top domains

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Total visits last 3 months

Subsidiaries Breakdown

seisecurity.com4.3K

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Avg. visit duration in SEi Security, Inc.'s top domains

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Average visit duration last 3 months

Subsidiaries Breakdown

seisecurity.com00:00:22

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Avg. pageviews on SEi Security, Inc.'s top domains

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Average page views last 3 months

Subsidiaries Breakdown

seisecurity.com1.73

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SEi Security, Inc. top competitors by domain

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Top technologies used by SEi Security, Inc.

These are the website technologies, by industry, used by SEi Security, Inc. top domains

Payment & Currencies (10)

Cart Functionality

Advertising (7)

Google Adsense

Conversion & Analytics (7)

Google Analytics

Widget (6)

Twemoji

More Technologies

10

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News & Signals from SEi Security, Inc.

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NewsMike Meridith left Sei Security as CEO on Jun 25th '26.Mike Meridith, former CEO of SEi, will become senior vice president of corporate development for the Midwest at Zeus Fire and Security.

NewsSei Security launches list for each branch office.Security Equipment, Inc. created a list for each branch office which includes restaurants, gas stations, convenient stores, dry cleaners, grocery stores, pharmacy’s, boutiques and more.