36 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform Oil testing. Most frequently tested analytes in this matrix in United States: Ac Current, Dc Voltage, Dc Current. Accredited providers include Advanced Technology Services - Caterpillar Technical Center, Analytical Forensic Associates, Aldinger Company dba Precision Calibration Systems, BHD Test & Measurement, Cal-Tek Company. Sites located in Tech Center TCL Chillicothe, IL, Lilburn, GA, Morristown, TN, Thornton, CO, North Billerica, MA.
Tech Center TCL Chillicothe, IL, US
(A2LA Cert. No. 1592.05) Revised 11/03/2025 Page 3 of 21 III. Electrical – DC/Low Frequency Parameter/Equipment Range CMC2, 5 (±) Comments DC Voltage – Generate
Lilburn, GA, US
(A2LA Cert. No. 4964.01) 07/15/2024 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ANALYTICAL FORENSIC ASSOCIATES 3100 Five Forks Trickum Road, Suite 104 Lilburn, GA 30047 Ms. Laurel Mason Phone: 770-
Morristown, TN, US
(A2LA Cert. No. 1509.03) 05/20/2025 Page 20 of 34 Parameter/Range Frequency CMC2, 6, 8 (±) Comments AC Current – Generate3 (cont.) Clamp-on Only (16.5 to 55) A (55 to 150) A (150 to 550) A (
Thornton, CO, US
(A2LA Cert. No. 3104.01) 05/29/2025 Page 12 of 13 Parameter/Equipment Range CMC2, 4, 5, 7 (±) Comments Scales & Balances (Up to 1300 lb) (cont) 100 g 200 g 300 g 500 g 1 kg 2 kg 3 kg 5 kg 10 kg 20
North Billerica, MA, US
(A2LA Cert. No. 7440.01) Revised 08/19/2025 Page 3 of 16 Parameter/Equipment Range CMC2, 5 (±) Comments DC Current – Generate 3 Up to 220 μA 220 μA to 2.2 mA (2.2 to 22) mA (22 to 220) mA 220
Twinsburg, OH, US
(A2LA Cert. No. 1658.01) 08/07/2025 Page 7 of 7 Parameter/Equipment Range CMC2 (±) Comments Test and Calibration of RTDs3 – Pt 385, 100 Ω Pt 385, 1000 Ω Pt 385, 100 Ω Pt 385, 1000 Ω
Phoenix, AZ, US
(A2LA Cert. No. 1599.01) Revised 03/09/2026 Page 3 of 4 Parameter/Equipment Range CMC2, 4 (±) Comments Pressure – Oil Effective Area of Piston Cylinder Calibration of Secondary Standards & Pressure Devices
San Diego, CA, US
(A2LA Cert. No. 3410.01) 07/21/2025 Page 9 of 38 Parameter/Range Frequency CMC2, 5 (±) Comments AC Current – Generate (cont) Clamp-On Only (Other-Type) (10 to
Pittsburgh, PA, US
(A2LA Cert. No. 1894.01) Revised 07/07/2025 Page 24 of 28 IV. Mechanical Parameter/Equipment Range CMC2, 7 (±) Comments Torque – Wrenches, Screwdrivers, Wa
Burleson, TX, US
(A2LA Cert. No. 4232.01) 01/03/2024 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AEROBLAZE LABORATORY INC. 2825 S Burleson Blvd Burleson, TX 76028 Andrew Feghali Phone: 817 668 0628 MECHANICAL Val
Sacramento, CA, US
(A2LA Cert. No. 1888.09) 10/31/2025 Page 4 of 17 Parameter/Equipment Range CMC2, 5, 6 (±) Comments DC Voltage – Measure3 (0 to 100) mV 100 mV to 1 V (1 to 10) V (10 to 100) V (100 to 1000) V (1 to 9) kV (9
Sophia, WV, US
(A2LA Cert. No. 1362.01) Revised 03/12/2026 Page 2 of 5 Test Method: Test: Air Filtration – HVAC / General Ventilation ISO 11155-1 Road vehicles — Air filters for passenger compartments — Part 1: Test for particulate filtrat
Corydon, IN, US
(A2LA Cert. No. 1888.11) Revised 11/19/2025 Page 18 of 33 Parameter/Range Frequency CMC2, 6 (±) Comments AC Current – Generate 3 (cont) (11 to 20.5) A (45 to 100) Hz 100 H
Paris, OH, US
(A2LA Cert. No. 1848.01) Revised 09/11/2025 Page 11 of 21 Parameter/Range Frequency CMC2, 4, 5 (±) Comments AC V oltage – Measure3 (cont.) (1000 to 100 000) V (50 to 1) kHz 6 mV/V + 3mV Ross VD150 V olt
Dallas, TX, US
(A2LA Cert. No. 1509.01) Revised 07/09/2025 Page 17 of 37 Parameter/Equipment Range CMC2 (±) Comments Radius Gages3 Up to 0.75 in 1300 µin Optical comparator & overlay Angle Gages3 Up to 180°
Bartlett, TN, US
(A2LA Cert. No. 1888.05) Revised 02/03/2025 Page 12 of 18 Parameter/Range Frequency CMC 2, 5, 6 (±) Comments AC Current – Generate3 (cont) Clamp-on Only (20.5 to 1025) A (45 to 65) Hz (65 to 440) Hz 0.8
Fenton, MO, US
(A2LA Cert. No. 6743.01) 1/14/2025 Page 4 of 5 Test/Technology Test Method(s) Matrices Terpenes by GC-MS alpha-Bisabolol alpha-Pinene alpha-Terpinene beta-Myrcene beta-Pinene Camphene Caryophyllene Caryo
Milwaukie, OR, US
(A2LA Cert. No. 4986.01) 01/17/2025 Page 6 of 21 IV. Dimensional Inspection Parameter/Equipment Range CMC2, 9 (±) Comments 1-Dimensional Inspection – Measure3, 4 Up to 12 in 650 µin CP-115, ASTM & AASHTO
Buchanan, MI, US
(A2LA Cert. No. 1337.04) 03/12/2025 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 CLARK TESTING SERVICES LLC 821 E. Front Street Buchanan, MI 49107 Elizabeth Gonzalez-Arias 412-387-1661 MECHANICA
Norcross, GA, US
For the tests to which this accreditation applies, please refer to the laboratory’s Chemical Scope of Accreditation. Accredited Laboratory A2LA has accredited ALS OIL & LUBRICANTS (TRIBOLOGY) Burlington, Ontari
Webster, TX, US
(A2LA Cert. No. 2039.01) 06/16/2025 Page 2 of 16 Parameter/Equipment Range CMC2, 5 (±) Comments DC Voltage – Measure (0 to 200) mV (0.2 to 2) V (2 to 20) V (20 to 200) V (200 to 1000) V 0.26 µV 1.5 µV 14 µV
Newport News, VA, US
(A2LA Cert. No. 2171.01) 02/10/2025 Page 5 of 36 Parameter/Equipment Range CMC2, 4 (±) Comments DC Current 3 – Generate Clamp-On Meters Ohm’s Law Method (0 to 220) µA (0.22 t
Ridgway, PA, US
(A2LA Cert. No. 2012.01) Revised 06/16/2025 Page 9 of 13 Test: Test Method(s): Oil Resistance ASTM D1308; Daimler 49-00023 (10.7); GMW14671 (4.11.1); Honda 4251Z-SEP-A000 (5.6); Honda 5100Z-SE0-0000 (6-15); Honda 5
Henrietta, NY, US
(A2LA Cert. No. 2133.02) Revised 01/10/2025 Page 3 of 21 Parameter/Equipment Range CMC2, 6 (±) Comments DC Current3 – Measure Up to 100 nA 100 nA to 1 μA (1 to 10) μA (10 to 100
Centerville, GA, US
(A2LA Cert. No. 1297.01) Revised 12/17/2024 Page 7 of 18 Parameter/Equipment Range CMC2, 5, 6 (±) Comments DC Current – Measure & Generate Generate High Current – Generate 0.1 μA to 2 A (2 to 20) A (20 t
Islip, NY, US
(A2LA Cert. No. 2635.01) 07/08/2025 Page 2 of 21 Parameter/Equipment Range CMC2, 4, 7 (±) Comments DC Voltage – Measure (0 to 200) mV (0.2 to 2) V (2 to 20) V (20 to 200) V (200 to 1000) V (10 to 100) mV (0
Syracuse, NY, US
(A2LA Cert. No. 2133.01) 08/26/2024 Page 4 of 25 Parameter/Equipment Range CMC2, 5, 6 (±) Comments DC Current3 – Generate (Toroidal & Other-type clamps) Up to 220 µA 220
Paso Robles, CA, US
(A2LA Cert No. 7198.01) Revised 04/11/2025 Page 1 of 5 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 Baker Wine & Grape Analysis, Inc.
Hudson, OH, US
(A2LA Cert. No. 2017.01) 06/09/2025 Page 6 of 7 IV. Thermodynamics Parameter/Equipment Range CMC2, 7 (±) Comments Temperature – Temperature Measure 3 Temperature Meters (-55 to 0) °C (0 to 2
Sanford, FL, US
(A2LA Cert. No. 1888.07) 02/20/2025 Page 4 of 17 Parameter/Equipment Range CMC2, 5, 6 (±) Comments DC Voltage – Measure3 (0 to 100) mV 100 mV to 1 V (1 to 10) V (10 to 100) V (100 to 1000) V (1 to 9) kV (9 to
Auburn Hills, MI, US
(A2LA Cert. No. 5678.01) Revised 11/07/2025 Page 1 of 3 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 APEX TEST LABS 815 N. Opdyke Road, Suite 100 Auburn Hills, MI 48326 Jason Kanakry Email: jason.kanakry@apex-te
Louisville, KY, US
(A2LA Cert. No. 2810.01) 6/18/2025 Page 2 of 7 II. Electrical – DC/Low Frequency Parameter/Equipment Range CMC2, 4 (±) Comments DC Voltage3 – Generate (0 to 330) mV 33
Westfield, IN, US
(A2LA Cert. No. 1567.03) Revised 06/12/2025 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 A PTIV WESTFIELD TEST LAB EMC Laboratory 17001 Oak Ridge Road Westfield, IN 46074 Chad Blueher (Chad.Blueher@Aptiv.com) Phone: (765)
Austin, TX, US
(A2LA Cert. No: 2976.01) 03/21/2024 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AUSTIN RELIABILITY LABS 12317 Technology Blvd, Suite 100 Austin, TX 78727 Larry Legler Phone: 512-623-4717 MECHANICAL V
Memphis, TN, US
(A2LA Cert. No. 4139.05) 02/05/2024 Page 2 of 2 TEST(s) TEST METHOD(s) Ash from Petroleum Products ASTM D482 ASTM Color of Petroleum Products ASTM D1500 Hydrocarbon Types in Liquid Petroleum Products by FIA ASTM D1319 Evaluating the
Panorama City, CA, US
(A2LA Cert. No. 1395.05) Revised 04/16/2025 Page 24 of 27 Parameter/Equipment Range4 CMC2, 5, 8, 10 (±) Comments Pressure Measure & Measuring Equipment3– Nitrogen Gas Oil (0.01 to 10) Torr >
This page is a fixed slice of the register: every Oil scope we hold for United States. Search keeps that Oil filter on, so you can narrow further by city, accreditation body, or any term from the scope text.
Search Oil labs in United StatesAmerican Association for Laboratory Accreditation (A2LA) is the primary accreditation body issuing ISO/IEC 17025 accreditation for testing laboratories in United States.
ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.