We are pleased to announce our latest ISO/IEC 17025:2017 accreditation with PJLA. You can click on the link above to view our latest accreditation certificate. These certificates are hard earned and keep us striving for excellence.

We will be closed Monday the 25th and January 1st in observance of Christmas and New Year's Day, respectively. Merry Christmas and Happy Holidays to all.

Professional, quality analysis


Southwest Spectro-Chem Labs is a full service laboratory, offering lube oil and fluids analysis since 1983. We are located near the heart of the Houston petro-chem industry and perform service for customers world-wide. Southwest Spectro-Chem Labs is an independent laboratory, with no agenda to promote lube oils, filters, machinery or other related systems. Our analysis is without bias.

Southwest Spectro-Chem Labs’ core service is analyzing the condition of equipment, oil, and contaminant situations through fluids analysis to improve reliability for industry. Southwest Spectro-Chem Labs specializes in communicating the impact of your analysis, not just providing data. LubeAccess™, our powerful online database, is a key component of providing this comprehensive analysis to your entire team. Use our expertise to improve your preventive maintenance program.

We are also pleased to announce that we have been ISO/IEC 17025:2017 Accredited since October 2012.


​​​Dedicated to Keep Your Equipment Running Through Analytical Services

Special PDF support



Go with someone who's been there


In business since 1969 and under current management since 1983, we have years of on-the-job experience. Not only that, we are ISO/IEC 17025:2017 accredited and committed to keeping up with the latest advances in the field. You can rest easy, because your analysis will be in the best and most skilled hands that it can be.

In addition, lists of samples and sample points have a new icon that indicates if the sample includes a special report.


ISO/IEC 17025:2017 Renewal

LubeAccess can display special reports such as ferrographies,

varnish reports, and more. The special report shows up as a tab named Special on the sample page.