| Select | | 3M Company (Filtrete) | Test Lab | 3M Center | Maplewood | Minnesota | USA |
| Select | | ABB Motors and Mechanical Inc. | Test Lab | 5711 R.S. Boreham Jr. St. | Fort Smith | Arkansas | USA |
| Select | | adamant technical services inc | Test Lab | 26851 miles rd | cleveland | Ohio | USA |
| Select | | Advanced Computing Devices Inc | Test Lab | 13941 Central Avenue | Chino | California | USA |
| Select | | Air Cool Industrial Co., Ltd. | Test Lab | Chen Jiang Administrative District, Bai Yun Shan, Luo-Qun Village | Chen Jiang, HuiZhou | Guangdong | China |
| Select | | Air Movement and Control Association, International (AMCA) | Test Lab | 30 West University Drive | Arlington Heights | Illinois | USA |
| Select | | AirScape, Inc. | Test Lab | 625 Charles Way | Medford | Oregon | USA |
| Select | | Alfred Kaercher SE & Co. KG | Test Lab | Alfred-Kaercher-Strasse 28-40 | Winnenden | Baden-Wuerttemberg | Germany |
| Select | | Alliance Laundry Systems LLC | Test Lab | Shepard Street P.O. Box 990 | Ripon | Wisconsin | USA |
| Select | | American Coolair Corp | Test Lab | 3604 Mayflower Street | Jacksonville | Florida | USA |
| Select | | Anhui Lanjie Intelligent Home Appliance Co.,LTD | Test Lab | No.26,Laifu Road,Xinqiao International Industrial | Huainan | Anhui | China |
| Select | | AnTek Certification, Inc. | Test Lab | 7F., No 351, Yangguang St. | Neihu District | Taipei | Taiwan |
| Select | | Apple, Inc. | Test Lab | One Apple Park Way | Cupertino | California | USA |
| Select | | AQM SRL | Test Lab | Via T.edison 18 | Provaglio D Iseo | Italy - BS | Italy |
| Select | | Aquasana | Test Lab | 6310 Midway Rd | Haltom City | Texas | USA |
| Select | | Architectural Testing, Inc | Test Lab | 1701 West Fork Drive | Lithia Springs | Georgia | USA |
| Select | | Asia Vital Components(Dongguan) Co., Ltd. | Test Lab | Golden Lake Industrial District, Qishi Town | Dongguan City | Guangdong Province | China |
| Select | | Assa Abloy Americas Residential (Pfister) Xiamen Laboratory | Test Lab | No. 46 Hai Jing Zhong Road, FTZ | Xiamen | Fujian | China |
| Select | | ATS Electronic Technology Co.,Ltd. | Test Lab | Block A,3rd flr.,Bld A,No. 1 Hedong 3rd road, | Dongguan | Guangdong | China |
| Select | | Attestation of Global Compliance (Shenzhen) Co., Ltd. | Test Lab | 1-2/F, Building 19, Junfeng Industrial Park, Chong | Shenzhen | Guangdong | China |
| Select | | AUCMA CO., LTD | Test Lab | No.315, QIAN WAN GANG RD, ECO.& TECH. DEVELOPMENT | QINGDAO | SHANDONG | China |
| Select | | Audix Technology (Shanghai) Co., Ltd. | Test Lab | 3F 34 Bldg., No. 680 Guiping Rd. | Caohejing Hi-Tech Park | Shanghai | China |
| Select | | Audix Technology (Shenzhen) Co., Ltd. | Test Lab | No.6, Kefeng Road, Science & Technology Park, | Shenzhen | Guangdong | China |
| Select | | Audix Technology (Wujiang) Co., Ltd. | Test Lab | No.1289, JiangLing JiangXing East Rd, Wujiang | Suzhou | Jiangsu | China |
| Select | | Audix Technology Corporation | Test Lab | 7 Fl., No. 8, Lane 120, Sec. 1, Nei-Hu Rd. | Taipei | Taiwan | Taiwan |
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