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  • ANSI Accredited
  • Government Industry Data Exchange Program
  • ILAC Mutual Recognition Arrangement
  • ISO 17025
  •  National Environmental Balancing Bureau
  • Sheet Metal and Air Conditioning Contractors' National Association

Welcome to Huston-DePue Calibration Laboratories (HDCL), an A2LA accredited metrology company. Since 1960 we have met the calibration needs of a multitude of companies and industries world wide. Whether delivering equipment to our facility, shipping instruments to us for calibration, or scheduling on-site service, you can always count on HDCL to deliver timely, quality service.

We've Moved!

Visit us at our new location!

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July 23, 2023

HDCL Holiday Schedule

HDCL will be CLOSED the following days:

Thanksgiving Day – Thursday, November 24, 2022
Black Friday – Friday, November 25, 2022
Christmas Day (Observed) – Friday, December 23, 2022
Boxing Day – Monday, December 26, 2022
New Year's Day (Observed) – Monday, January 2, 2023

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November 15, 2022