Quality Control Stocks
Precision instrumentation and specialized services providers ensure operational integrity through rigorous testing, inspection, and certification protocols across high-stakes industrial and life sciences supply chains.
As of Oct 23, 2026, Quality Control has 12 US-listed companies worth $234B combined. The median member moved +1.7% over the past week; WFCF led at +7.8% and POAS trailed at -27.2%.
Companies in Quality Control
- KLAC – KLA Corporation, $193B
- MTD – Mettler-Toledo International Inc, $33.5B
- SHC – Sotera Health Co, $5B
- TRNS – Transcat Inc, $846M
- MLAB – Mesa Laboratories Inc, $722M
- MG – Mistras Group Inc, $660M
- VELO – Velo3D, Inc., $222M
- TRAK – ReposiTrak, $147M
- WFCF – Where Food Comes From Inc, $65.8M
- RPID – Rapid Micro Biosystems Inc, $44.8M
- POAS – Phaos Technology Holdings (Cayman) Limited, $2.7M
- SMIT – Schmitt Industries Inc, $107,258