Testing Lab Requirements

DLC Approved LM-79 Testing Laboratories

The DLC accepts LM-79 results from laboratories that comply with the DLC LM-79 Testing Lab Requirements. A list of acceptable labs is maintained below. Testing must be conducted and reports must be issued within the accreditation effective and expiration dates detailed for a given laboratory. 

Testing Laboratory PartnerAccreditation
Start Date
Accreditation Expiration Date
Acuity Brands Lighting Decatur Lab8/23/239/30/2024
Acuity Brands Lighting Des Plains Lab8/29/20239/30/2024
American Testing & Assessment Laboratory, LLC1/10/201412/31/2023
Appleton Group9/6/20229/30/2024
Appleton Lab, Emerson Innovation Center – Pune11/9/202210/9/2023
Bay Area Compliance Laboratories (Sunnyvale)2/7/20179/30/2024
Bay Area Compliance Laboratories Corp. (Kunshan)2/6/20171/1/2025
Bay Area Compliance Labs Corp. (Shenzhen)3/8/20243/31/2025
Bay Area Compliance Labs Corp. (Dongguan)4/18/20244/1/2025
Bell-South Testing Laboratory (Shenzhen)9/25/201210/1/2020
Belling Test Laboratory Co., Ltd3/8/20184/30/2022
BEST Test Service Shenzhen Co., Ltd.12/31/20223/31/2025
Bestway Compliance Co, LTD. (formerly ShenZhen Xin An Biao Technology Service Co. Ltd)4/30/20193/31/2025
Building Acoustics & Lighting Laboratories, Inc4/1/20123/31/2020
BUREAU VERITAS ADT (SHANGHAI) CORPORATION10/26/20178/31/2021
BUREAU VERITAS CONSUMER PRODUCT SERVICES (GUANGZHOU) CO., LTD, SCIENCE CITY BRANCH8/25/20213/31/2026
CCIC Southern Testing Co., Ltd.10/9/201312/31/2020
CCIC-CSA INTERNATIONAL CERTIFICATION CO., LTD (Guangzhou)11/1/201111/1/2022
CCIC-CSA INTERNATIONAL CERTIFICATION CO., LTD. SHANGHAI BRANCH11/1/201111/1/2022
Centre Testing International10/1/20119/30/2020
Consumer Lighting Testing Lab (Shanghai)3/11/20243/31/2025
Cooper Lighting Solutions, Peachtree City5/4/20236/1/2024
Cree Durham Technology Center4/12/20123/31/2022
Cree Engineering Services Testing Laboratory6/5/20123/31/2020
Cree Racine Engineering Services Testing Laboratory3/1/20233/31/2024
CSA AMERICA TESTING & CERTIFICATION LLC (Alpharetta)12/1/202312/31/2024
CSA America Testing & Certification LLC (Redmond, WA)5/11/20126/30/2021
CSA Group – Irvine, CA6/21/20236/30/2024
CSA GROUP CONSUMER PRODUCT EVALUATION (CPE) SHANGHAI COMPANY LIMITED10/27/202310/27/2024
CU Lighting Ltd.9/27/20199/27/2023
Current, Greenville Product Testing (Greenville, SC)5/26/20226/30/2024
Day-Brite Photometric Laboratory12/21/201512/31/2021
DEKRA Testing and Certification Shanghai LTD12/23/201512/31/2023
Deliver Co., Ltd8/28/20239/30/2024
Dialight Optics Laboratory5/28/20146/30/2023
Dongguan EMTEK Co., LTD6/11/20157/5/2024
Dongguan New Testing Centre Co., Ltd2/14/20243/31/2025
Elite Electronic Engineering Inc. 7/16/20186/30/2023
Elite Lighting2/28/20183/31/2024
EMTEK (Dongguan) Co. Ltd9/15/20227/5/2024
ETA Testing Technology Co., Ltd.12/7/202312/31/2024
Fangguang Inspection & Testing Co., Ltd.6/6/20236/30/2024
GE (China) Energy Development Co., Ltd. Lighting Technology Laboratory4/1/20123/31/2020
GE Nela Park, Product Testing4/1/20123/31/2023
GE Hendersonville Product Testing9/14/20239/22/2024
Great One Global Certification Co Ltd10/30/20126/29/2024
Guangdong Meide Testing Technology Co. Ltd2/20/20243/31/2025
Guangzhou United Testing Technology Co., Ltd.12/21/202012/31/2022
Hopestar Test Lab Limited6/29/20206/30/2023
Hubbell Lighting Photometric Laboratory5/23/20136/30/2022
Independent Testing Laboratories, Inc.1/4/201112/31/2021
Intertek Chicago, IL7/12/20111/1/2022
Intertek Hong Kong7/1/20116/30/2024
Intertek Cortland, NY5/22/201811/30/2024
Intertek India Private Limited5/13/20195/17/2024
Intertek Lake Forest, CA12/23/20138/31/2025
Intertek Testing Services (Hangzhou) Limited1/29/20141/28/2020
Intertek Testing Services NA Inc.6/10/20191/1/2026
Intertek Testing Services Shanghai11/29/202312/31/2024
Intertek Testing Services Shenzhen Ltd. Guangzhou Branch6/7/20236/30/2024
Intertek Testing Services Zhejiang Ltd. Hangzhou Branch1/29/20146/30/2022
ITL Co., Ltd9/5/20239/30/2024
Hopestar Test Lab Limited6/29/20206/30/2022
Juno Lighting, LLC10/1/20149/30/2021
Kenall Performance Labs1/10/20231/10/2024
KIEL Institute3/31/20151/1/2025
KTR (Korea Testing and Research Institute)3/27/20233/31/2024
Laboratory of Xiamen Leedarson Lighting Co. Ltd8/24/20239/30/2024
LCTECH Guangdong Testing Services Co., Ltd.11/14/202212/31/2024
Leading Testing Laboratories (Hangzhou City, China)11/28/202312/31/2024
Light Laboratory, Inc.7/14/20236/30/2024
Lighting Test Center Americas, Philips Lighting North America Corporation6/7/20186/30/2021
LightLab International Allentown, LLC9/12/20239/30/2024
LightLab International, LLC6/5/20123/31/2021
LSI Industries5/29/20155/29/2023
LTL (Leading Testing Laboratories) – Hangzhou11/29/201112/31/2021
Lumentra Inc.12/21/202212/31/2024
LUX-TSI Limited4/30/20124/30/2024
Musco Lighting Photometry Laboratory11/27/202312/31/2024
Ningbo Tengli Testing Co. Ltd6/2/20177/31/2024
Northern Lights Testing Laboratories9/13/20174/1/2024
Orb Optronix, CSA Group (Seattle)5/11/20126/30/2021
QAV Technologies6/25/20121/7/2020
R-Tech12/18/20175/27/2026
RAB Lighting Photometry Laboratory12/22/201412/31/2020
SCGPT Labs Energy Efficient Lighting Products12/1/202312/31/2024
SGS North America, INC6/12/202312/31/2023
SGS Taiwan Ltd., Optics Laboratory6/15/20136/14/2025
SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch9/20/20179/30/2022
SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd Branch5/14/20187/31/2026
Shenzhen Anbotek Pengcheng Compliance Laboratory Ltd9/29/20149/30/2023
Shenzhen AOCE Electronic Technology Service Co., Ltd.3/12/20244/1/2025
Shenzhen Belling Efficiency Testing Laboratory12/7/202212/31/2024
Shenzhen Southern LCS Compliance Testing Laboratory Ltd.3/23/20233/31/2024
ShenZhen Xin An Biao Technology Service Co. Ltd4/30/20193/31/2023
Signify Boisbriand Engineering Lab7/21/20236/30/2024
Signify (China) Investment Co., Ltd12/18/201812/31/2021
Signify San Marcos Engineering Lab7/30/20196/30/2023
Spectra Lux9/26/20239/30/2024
Standard-Tech Co., Ltd Testing Center10/3/20222/29/2024
Sternberg Lighting Lab9/19/20129/30/2022
Tamco Photometric Laboratory3/12/20183/31/2020
Technical Consumer Products – Compliance Test Laboratory4/1/20143/31/2020
Testing Center of Hangzhou Hpwinner Opto Corporation9/23/20199/30/2020
Testing Laboratory of Xiamen Topstar Lighting Co., Ltd.8/22/20239/30/2024
TÜV SÜD America, Inc. (Alpharetta, GA)9/13/20238/31/2025
TÜV SÜD Cert & Testing (China) Co., Ltd. Shenzhen Branch2/8/20123/31/2023
TÜV SÜD Certification & Testing (China) Co., Ltd. Shanghai Branch6/28/201810/31/2025
UL India Private Limited5/8/20234/8/2025
UL International Italia S.r.l.4/11/20232/1/2025
UL LLC (Brea, CA)10/23/201511/1/2023
UL Verification Services (Guangzhou) Co., Ltd.6/29/20236/30/2024
UL Verification Services Inc. (Allentown, PA)11/3/202110/1/2024
UL-CCIC Company Limited12/16/202212/31/2024
Underwriters Laboratories Taiwan Co., Ltd.1/23/20151/22/2027
Unity Opto Technology Co., Ltd.2/1/20123/21/2022
UTEST TECHNICAL LABORATORY (Formerly Belling Test Lab)4/22/20244/30/2026
Visionaire Lighting Laboratory12/5/202312/31/2024
Waltek Testing Group (Foshan) Co. Ltd.6/5/20236/30/2024
World Standardization Certification & Testing Group Co., Ltd3/10/20212/28/2023