All CRL locations in the United States will be closed Thursday, November 26 through Sunday, November 29 in observance of the Thanksgiving holiday.  Please note that the Customer Service Department at our Los Angeles headquarters will have people on hand to take your calls Friday, November 27 from 6 am until 12 pm Pacific Time.  Our toll free phone number is (800) 421-6144.  Please note that the CRL web site is available 24 hours a day, seven days a week to place orders, get product information and pricing, check stock, and review information about your CRL account.  All U.S. locations will re-open for normal business operation Monday, November 30.  Please have a safe and pleasant Thanksgiving.

Welcome to the C.R. Laurence web site, featuring our Online Catalog. If you are a current customer, click on Sign On above the yellow search box. If you are in a related business and wish to purchase from CRL, click on Not a CRL Customer? located on the left under the Customer Menu Bar, otherwise, feel free to browse our web site.  Did you know that CRL is open Saturdays?  Click here for CRL's Saturday hours.