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Best Licensed Low Voltage Contractors in San Bernardino, CA

13 low voltage companies registered in San Bernardino hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.

How we chose: We identified 13 companies registered in San Bernardino. 13 passed license verification. The 8 below are the top-ranked of those. Our methodology

We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.

  1. 1.Enko Systems Inc.

    ✓ CSLB License #691828 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1994
    Phone
    (909) 885-7771

  2. 2.Ace Cabling Solutions

    ✓ CSLB License #988942 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2013
    Phone
    (323) 445-8444

  3. 3.Datawatch Systems Inc.

    ✓ CSLB License #1053948 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2019
    Phone
    (800) 899-9872

  4. 4.Main Tech Low Voltage Systems

    ✓ CSLB License #1068515 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2020
    Phone
    (909) 601-8481

  5. 5.N-tel Systems Inc.

    ✓ CSLB License #1081583 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2021
    Phone
    (951) 232-7351

  6. 6.Done Right Low Voltage

    ✓ CSLB License #1085811 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2022
    Phone
    (909) 693-8534

  7. 7.All About Splicing LLC

    ✓ CSLB License #1035344 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2018
    Phone
    (909) 659-5145

  8. 8.Maximize Communication Group Inc.

    ✓ CSLB License #1063124 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2020
    Phone
    (909) 315-6914

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Enko Systems Inc.#691828On file1994
Ace Cabling Solutions#988942On file2013
Datawatch Systems Inc.#1053948On file2019
Main Tech Low Voltage Systems#1068515On file2020
N-tel Systems Inc.#1081583On file2021
Done Right Low Voltage#1085811On file2022

San Bernardino County low voltage licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 220 active C-7 low voltage systems licenses in San Bernardino County, 13 of them registered in San Bernardino. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median San Bernardino license has been held 5 years, and the longest-standing one dates to 1994. 6 of San Bernardino's 13 licenses (46.2%) carry current workers' compensation cover in CSLB's file. That is employee injury cover, not liability insurance, and a blank usually means an owner-operator with no employees - lawful, and not a mark against anyone. The contractor bond is not a signal here: 220 of the county's 220 licenses carry the same $25,000 bond California sets by statute. 18 county licenses reach their expiration date within the next 90 days. CSLB cannot link straight to a license record, so every listing above shows its number for you to type into CSLB's license lookup. How we verify.

Low Voltage Contractors in San Bernardino: common questions

How many licensed low voltage contractors are there in San Bernardino?

13 active C-7 low voltage systems licenses are registered in San Bernardino, out of 220 across San Bernardino County. 13 San Bernardino-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses CSLB shows as CLEAR and unexpired are listed.

Does California license low voltage contractors?

Yes. California licenses contractors by classification, and C-7 is the CSLB classification that authorises this work. 13 active C-7 low voltage systems licenses are registered in San Bernardino and 220 across San Bernardino County, the longest-standing issued in 1994. Only CLEAR, unexpired licenses appear here.

How do I check a low voltage contractor's license in California?

Every listing above shows its CSLB license number. CSLB cannot link straight to a record, so open its license lookup and type the number in: it shows status, expiration, the contractor bond and workers' compensation cover, which 6 of San Bernardino's 13 currently carry. 18 San Bernardino County licenses expire within 90 days.

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