Collaborative Testing Services, Inc. (CTS)

Sterling, United StatesAccepts international participants

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

Schemes (18)

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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