TTE Laboratories, Inc.

TTE Laboratories is the only pipette calibration provider that meets both the well known ISO 17025 standard and the far-more-important-for-pipettes ISO 8655 standard. TTE backs that up with a full 12 month warranty (double the industry norm) and free 24 hour turnaround.
TTE Laboratories also offers revolutionary EZCal™: all-inclusive pipette calibration solutions that are easy, accurate and free. EZCal™ combines the convenience and minimal downtime of traveling pipette calibrators with the unparalleled accuracy and reliability of TTE Laboratories and doesn't cost you anything extra.