Sales, Tech Support, Orders
Phone 8-5 M-F Central Time
800-942-0315 (U.S. & Canada) or 847-918-3510
Click here to email us
Credit Card Orders
We accept American Express, Discover, MasterCard, VISA
See our Privacy Policy
Call us at 800-942-0315 to place your credit card order or
fax your order to 800-949-7502
AMEX, Discover, MC, Visa
Purchase Orders

To set up an account with us please download our terms and conditions and credit application:

Terms and Conditions

Excel Credit Application
pdf Credit Application

Use either the Excel spreadsheet or the pdf form.
Please allow 7 to 14 days to process your credit application.
Please urge your credit references to respond quickly.
You may use your company credit card until the application process is complete.

Fax your purchase order to
800-949-7502 or 847-968-4891
Email purchase orders to

Payment in full is due net 30 days from our invoice date

Mail remittance to
Absolute Process Instruments
Accounts Receivable
1220 American Way
Libertyville, IL 60048

Reselling Our Products

If you plan to resell our products there are two forms we need

Illinois form CRT-61 Certificate of Resale
Resellers must fill out and send us the Illinois Certificate of Resale CRT-61.
If you are a reseller outside of Illinois, this form is still required.

pointer Your state resale tax certificate(s) must be provided if you are a reseller.
Copies can be emailed to credit at or faxed to 800-949-7502.

Lead Times and Shipping
4 weeks for APCS products.
APCS products are built and ordered per your specifications.
Call factory to get the exact lead time for your order.

Normal shipment via UPS Ground
Other shipping methods are available upon request
Prices F.O.B. Factory, Libertyville, IL 60048 USA
Click here for our NAFTA Certificate
Note that products we import are not on the NAFTA certificare per NAFTA rules.
Certificate or Origin

Conflict Minerals
Click here for our Conflict Minerals Statement
Click here for our Conflict Minerals Declaration
API Sales Partners & Distributors
Click here to find your API sales partner or Call 800-942-0315 for your local API distributor
API sales partners can assist you with your application, product selection, and can provide on-site assistance.
Some specialize in certain industries or markets, and may stock popular models.
Canadian Distributors
Mod-Tronic Instruments Ltd.
Brampton, Ontario
Phone: 905-457-6322
Furneco International
Saint-Jean-sur-Richelieu, Québec
Phone: 450 347-2111 or 888-535-4539
International Exporter
Sales of APCS products to Mexico, Central and South America
APCS Corporate
APCS products to Australia, Asia, Africa, Europe
Maida International Ltd.
Locust Valley, New York
Phone: 516-676-3079
A.P.C.S. Pty. Ltd.
Seven Hills NSW Australia 2147
Phone: +61 2 8825 9295