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Contact Us

Accounting

For invoice questions, payments, and accounts payable or receivable inquiries, contact the Dicronite Southwest accounting team.

Email is the fastest way to reach accounting. For general assistance, call the corporate office at 909-982-5100.

Accounting Contact
Contact
Lorrena ContrerasAccounts Payable and Receivables
Email
LorrenaC@dicronitesouthwest.comInvoices, payments and account questions
Corporate office
909-982-51001495 W. 9th Street, Suite 201, Upland, CA 91786

How we can help

Accounting Questions We Handle

Invoice Questions

Questions about an invoice you received from Dicronite Southwest, including amounts, line items, or invoice copies.

Payments

Questions about making a payment, confirming that a payment was received, or how a payment was applied.

Payables & Receivables

Accounts payable and accounts receivable inquiries from customers and suppliers working with Dicronite Southwest.

Before you email

Help Us Find Your Account Quickly

Including these details in your email helps our team locate your records and respond sooner.

  • Company nameThe company the invoice or payment is for
  • Invoice numberShown on the Dicronite Southwest invoice
  • Purchase order numberYour PO number for the coating work
  • Your contact detailsName, email and phone so we can reply
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Looking for a Different Department?

Find contacts for customer service, operations, quality, engineering, shipping, and more in our department directory.

Dicronite® Southwest

Request a Dicronite® WS₂ Coating Quote

Send us your project details so we can evaluate your requirements and prepare a quote.

Sending drawings securely

Dicronite® Southwest is CMMC compliant. Please do not attach drawings to this form. Send drawings, including ITAR and CUI technical data, by email to rfq@secure.dicronitesouthwest.com. Email to this secure address is routed into our PreVeil encrypted environment.

Submit this form first so our team can add your email address, or your company's email domain, to the approved list for the secure inbox. Email from addresses that are not on the list cannot be received.

If your company already uses PreVeil, you can also send drawings to us directly through PreVeil.

Email Drawings Securely

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Our team will review your project details and follow up by email.