Account Management

Account Info

Creating a account is easy (you do not need an account to place an order):

When checking out, make sure to select the "New Customer" option. All you need to start is a valid email and a secure password of your choosing. After you complete your purchase, your account will be created and you will immediately gain all the benefits of being an account holder. If you already have an account setup, you can sign in to your account here.

Benefits of having a Terahertz Store account:
  • Real time status updates on all your orders and returns.
  • Ability to see detailed order history.
  • Eligibility to enroll in subscription items to receive reoccurring discounts.
  • Access to more store features and quicker help times.
  • Connection to a dedicated sales representative if placing bulk orders.

Things you can change on your account:
  • Email Address and password.
  • Unsubscribe from email promotions.
  • Item subscriptions.
  • Delete Your Account / remove your information.
We respect your privacy and are committed to protecting any personal information you may provide us through our Website. View our privacy policy for more info.
Sign In To Account


All orders placed with Terahertz Store are processed with the latest 256-bit SSL encryption on our secure server. Upon completion of your order we will confirm it immediately via e-mail. Your order will then be assigned a tracking number so that you may monitor its progress through our on-line customer care center. Every item regarding your order is held in the strictest of confidence using the latest on-line security. At NO time do we ever sell or distribute our customer information. If you wish to place your order via phone, please call us at 847-701-3024.

To prevent fraudulent credit card use, Terahertz Store reserves the right to request additional information from you prior to processing your order.

Terms Account

If you wish to set up a terms billing account with us, please click here to apply online. Once your terms application has been approved by our credit department, you will receive a confirmation e-mail with your account information.

Wholesale or Bulk Purchases

We offer competitive prices and volume discounts for customers needing to order large quantities of any products found in our online store. If you are interested in ordering items in bulk and do not intend to resell the items, please get in contact with us using our Volume Pricing Request Form. Once we receive your request, one of our dedicated sales representatives will contact you with a detailed quote letting you know how much you can save.
If you are interested in becoming a reseller of one of our products, you may apply online to set up a wholesale account. Please click here to apply online. Once your reseller application has been approved, you will receive an e-mail confirmation with your account and login information.
Contact a Sales Rep
If you are interested in placing a wholesale or bulk purchase you may speak with one of our experienced sales representatives at 1-847-991-7190 or email us at

Select a help topic

Order Management

Learn how to change or cancel a recently placed order, track shipped items, and request an invoice.

Order Management
Shipping and Delivery

Review shipping method policies, delivery estimates, and what to do if an shipment is damaged or missing.

Shipping and Delivery
Returns and Refunds

Review our policy on how to handle returns and deal with damaged or defective items.

Returns and Refunds
Account Management

Learn about setting up a customer, terms, or wholesale account and managing subscriptions.

Account Management
Sales Policies and Payments

Info on how we process orders, sales tax, payment methods, site security and other policies.

Sales Policies and Payments
Contact Us

Info on the best contact method for product technical support or specific order related questions.

Contact Us

F.A.Q. from customers

Haven't found the answer? We can help.

Contact Us

Contact options may differ depending on the type of help you need.

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