Collaborative Testing Services, Inc. (CTS)
Accreditation self-declared (ANAB)
US proficiency testing company in Sterling, Virginia, offering forensic proficiency tests (DNA, drugs, toxicology, latent prints, firearms, trace, digital evidence, questioned documents, crime scene, anthropology) and industry interlaboratory programmes for agriculture, colour, containerboard, fasteners and metals, paper, plastics, rubber and wine.
Testing fields
- Food & feed
- Materials & construction
- Forensic & toxicology
- Other
collaborativetesting.com
Schemes (18)
Forensic Biology / DNA
- Forensic & toxicology
Drug Analysis
- Forensic & toxicology
Toxicology
- Forensic & toxicology
Latent Prints & Impressions
- Forensic & toxicology
Firearms & Toolmarks
- Forensic & toxicology
Trace Evidence
- Forensic & toxicology
Digital & Multimedia Evidence
- Forensic & toxicology
Questioned Documents
- Forensic & toxicology
Crime Scene
- Forensic & toxicology
Anthropology
- Forensic & toxicology
Agriculture
- Food & feed
Fasteners & Metals
- Materials & construction
Plastics
- Materials & construction
Rubber
- Materials & construction
Paper
- Materials & construction
Containerboard
- Materials & construction
Color
- Other
Wine
- Food & feed
Accreditation
- Status
- Accreditation self-declared
- Accreditation body
- ANAB
Self-declared: stated by the provider and not yet verified by EqasOnline.
About this listing
Compiled from Collaborative Testing Services, Inc. (CTS)'s own published information or sent in by the provider, and reviewed by EqasOnline. Check scheme details, fees and dates with the provider before you enrol. 18 schemes listed here.
Last updated 29 Oct 2026.
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