This Government Contract opportunity from Illinois was posted on July 20, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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ISO/IEC 17025-2017 Calibration Services

Closed

State & Local

Submission Closed08/10/2026, 07:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541380

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1 day ago

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in 6 days

AI Contract Overview

Transit Chicago is seeking a subcontractor to provide ANAB-accredited calibration services for industrial instruments used in the maintenance of rapid transit rail cars across its facilities. The work must comply with ISO/IEC 17025-2017 standards to ensure the accuracy, reliability, and traceability of all calibrated equipment, which is critical to the safety and operational integrity of the rail system. The contract is open to qualified vendors responding by the deadline of August 10, 2026, with proposals evaluated based on technical capability, accreditation status, and adherence to industry best practices. All calibration services must be performed in accordance with established protocols and documented to support audit readiness and regulatory compliance. The place of performance will be at CTA-operated maintenance locations, though specific addresses are not detailed, and the opportunity is classified under NAICS code 541380 for other scientific and technical consulting services. Subcontractors are expected to demonstrate proven experience in providing similar services to public transportation or heavy industrial environments.

General Info

CTA seeks ANAB-accredited subcontractor for ISO/IEC 17025-compliant rail instrument calibration by August 10, 2026.

Agency

Illinois → Transit Chicago

NAICS

541380 - Testing Laboratories and Services

Place of Performance

IL, USA

Set-Aside

NONE

Documents

This scope was carved out of B25OP01829R4.

The full solicitation package (7 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

B25OP01829R4 Re-Bid: Invitation for Bids (IFB) Non- Negotiable: Tool and Instrument Calibration Services as required for Rapid Transit Car repair for a period of up to 36 months