ANSI C63.4 Certified Labs

Labs Supporting ANSI C63.4

Labs supporting ANSI C63.4 have demonstrated capability to perform testing or calibration activities in accordance with the requirements of this standard. Browse the AccrediSource directory to find labs that list ANSI C63.4 in their scope, compare capabilities and accreditation status, and submit a structured RFQ to get matched with the right lab.

Directory coverage
Accredited labs listed5
US states covered3
Capable of testing5 labs
Capable of calibration0 labs
5+accredited labs
3states covered
5testing capable
0calibration capable
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Lab results

5 ANSI C63.4 labs

ISO/IEC 17025A2LATesting
Applied Technical Services
Tempe, AZ, United States

Multi-discipline testing lab offering accredited EMI/EMC, mechanical, environmental, and calibration services from its Tempe, AZ facility.

Last verified
May 4, 2026
Capabilities
EMC/EMI Testing · Radiated Emissions Testing · Conducted Emissions Testing · Radiated Immunity Testing
Industries
Automotive · Aerospace · Telecommunications
Operational fit
In-lab · Ship-in · Rush service · NDA support
Coverage
Phoenix/Tempe (Environmental & EMC) · national region
ISO/IEC 17025A2LATesting
CETECOM Inc.
Milpitas, CA, United States

A2LA-accredited EMC/RF test lab in Silicon Valley offering EMC, wireless, Bluetooth, OTA, and automotive EMC testing for global market approvals.

Last verified
May 4, 2026
Capabilities
EMC/EMI Testing · Radiated Emissions Testing · Conducted Emissions Testing · Radiated Immunity Testing
Industries
Electronics · IoT/Connected Devices · Telecommunications
Operational fit
In-lab · Ship-in
Coverage
Milpitas, CA (North America HQ) · national region
ISO/IEC 17025A2LATesting
CKC Laboratories Inc.
Mariposa, CA, United States

Founded 1973, A2LA-accredited multi-site EMC/EMI test lab with FCC TCB (US1024), ITAR/EAR registration, covering military, avionics, wireless, automotive, and safety testing.

Last verified
May 4, 2026
Capabilities
EMC/EMI Testing · MIL-STD-461 Testing · DO-160 Testing · Wireless EMC Testing
Industries
Electronics · Defense/Military · Aerospace
Operational fit
In-lab · Ship-in
Coverage
Mariposa, CA (Corporate HQ) · national region
ISO/IEC 17025NVLAPTesting
EMT Labs
Mountain View, CA, United States

Independent ISO 17025-accredited EMC, wireless, OTA, and wireline telecom testing lab in Silicon Valley.

Last verified
May 4, 2026
Capabilities
EMC/EMI Testing · Radiated Emissions Testing · Conducted Emissions Testing · Radiated Immunity Testing
Industries
Electronics · IoT/Connected Devices · Telecommunications
Operational fit
In-lab · Ship-in
Coverage
national region
ISO/IEC 17025NVLAP; ANABTesting
Retlif Testing Laboratories
Ronkonkoma, NY, United States

Globally recognized independent EMC/EMI and environmental testing leader, accredited under NVLAP and ANAB, operating labs in NY, NH, and PA.

Last verified
May 4, 2026
Capabilities
EMC/EMI Testing · Radiated Emissions Testing · Conducted Emissions Testing · Radiated Immunity Testing
Industries
Aerospace · Defense/Military · Electronics
Operational fit
In-lab · Ship-in
Coverage
Ronkonkoma, NY (HQ) · national region
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ANSI C63.4 labs by state

Common questions

Frequently asked questions

A lab that lists ANSI C63.4 in its capabilities scope has indicated it can perform testing or calibration activities in accordance with this standard's requirements. Always verify the specific test methods or measurement ranges covered and confirm the lab holds relevant accreditation (such as ISO/IEC 17025) for the activities you require.

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