WEMS, Inc.

Electronics80% confidence

WEMS, Inc. is an electronics manufacturer based in Hawthorne, California, specializing in custom electromagnetic interference (EMI) filters, electronic assemblies, and related components for military, aerospace, and industrial applications.

Hawthorne, California, United States

About WEMS, Inc.

WEMS, Inc. (often doing business as WEMS Electronics and Vacuum Atmospheres Co.) is a specialized electronics and equipment manufacturer headquartered in Hawthorne, California. The company, established in 1959, focuses on the design and production of high‑reliability EMI/RFI filters, precision electronic components, assemblies, and subsystems used in mission‑critical environments such as defense, aerospace, and other industrial sectors. It operates an AS9100/ISO 9001–certified facility and provides a fully integrated, turnkey approach from engineering through manufacturing. ([dnb.com](https://www.dnb.com/business-directory/company-profiles.wems_inc.590a60abdaef04a18cbf33acbb697f39.html?utm_source=openai))

A charge from “WEMS. INC” on a card statement is likely related to the purchase of electronic components, EMI filter assemblies, vacuum/atmosphere equipment, or custom engineering/manufacturing services. Their customers are typically organizations—government agencies, research institutions, and prime contractors—rather than retail consumers, so charges may correspond to project‑based orders, government or institutional purchase orders, or contracted manufacturing work. In some cases, the descriptor may reference Vacuum Atmospheres Co., a related operation under the same corporate entity, for glovebox or controlled‑atmosphere equipment purchases. ([dnb.com](https://www.dnb.com/business-directory/company-profiles.wems_inc.590a60abdaef04a18cbf33acbb697f39.html?utm_source=openai))

If you have questions about a WEMS, Inc. charge, first locate any related purchase order, invoice, or contract documentation from your organization’s procurement system and match the amount and date to that paperwork. Internal buyers or engineering staff who source electronic or vacuum equipment may be able to confirm the order details. For unresolved issues, you can contact WEMS, Inc. via the information on their official website (wems.com) and reference your invoice or PO number for faster assistance. If the charge appears unfamiliar and no internal record exists, you can dispute it through your card issuer, providing any supporting documentation from your accounting or purchasing systems. ([dnb.com](https://www.dnb.com/business-directory/company-profiles.wems_inc.590a60abdaef04a18cbf33acbb697f39.html?utm_source=openai))

Bank Statement Variations

1 known variations

These are the raw merchant codes that appear on bank and credit card statements that we've identified as belonging to WEMS, Inc..

  1. WEMS. INC

Frequently Asked Questions

Why do I see a charge from “WEMS. INC” on our corporate credit card?

WEMS, Inc. is an electronics and equipment manufacturer that sells EMI filters, electronic assemblies, and related hardware, often to government, aerospace, and industrial customers. The charge usually corresponds to a purchase order for components, assemblies, or vacuum/atmosphere equipment placed by your organization’s engineering or procurement department. Check your internal PO and invoice records around the transaction date to match the amount and description. ([dnb.com](https://www.dnb.com/business-directory/company-profiles.wems_inc.590a60abdaef04a18cbf33acbb697f39.html?utm_source=openai))

What types of products or services from WEMS, Inc. commonly result in card charges?

Common billable items include custom EMI/RFI filter assemblies, electronic components and subsystems, printed circuit assemblies, sheet‑metal or enclosure work, and specialized vacuum or glovebox systems sold under the Vacuum Atmospheres name. Charges may cover hardware, engineering services, or combined turnkey manufacturing on a specific project. ([dnb.com](https://www.dnb.com/business-directory/company-profiles.wems_inc.590a60abdaef04a18cbf33acbb697f39.html?utm_source=openai))

Could this WEMS, Inc. charge be related to a government or research contract?

Yes. WEMS, Inc. frequently supplies components and systems under government and research contracts, including to federal agencies and laboratories. If your organization holds such contracts, the charge may be tied to a contract line item or task order; review your contract documentation and project budgets to identify the corresponding order. ([govtribe.com](https://govtribe.com/vendors/wems-inc-dot-wems-electronics-13675?utm_source=openai))

How can I verify exactly what our organization purchased from WEMS, Inc.?

Start by checking your ERP or purchasing system for any open or recently fulfilled POs issued to WEMS, Inc. or WEMS Electronics. Match the transaction date and amount to a specific PO or invoice. The detailed invoice will typically list part numbers, quantities, and descriptions of the EMI filters, assemblies, or equipment delivered. If needed, contact WEMS, Inc. using the details on their official website and request a copy of the invoice or packing list. ([dnb.com](https://www.dnb.com/business-directory/company-profiles.wems_inc.590a60abdaef04a18cbf33acbb697f39.html?utm_source=openai))

Does WEMS, Inc. use recurring or subscription billing?

WEMS, Inc.’s business is primarily project‑ and order‑based manufacturing, so charges are usually one‑time payments associated with specific orders rather than recurring subscriptions. However, there may be periodic charges if your organization places repeated orders under a blanket purchase agreement or ongoing contract. Review your purchasing agreements to see whether any recurring supply or service arrangements are in place. ([govtribe.com](https://govtribe.com/vendors/wems-inc-dot-wems-electronics-13675?utm_source=openai))

How do we request a refund or correction for an incorrect WEMS, Inc. charge?

First, reconcile the charge against your internal purchasing records to confirm any discrepancy. If you believe you were billed incorrectly—wrong quantity, price, or tax—contact WEMS, Inc. using the contact information on wems.com and provide your PO number, invoice number, and details of the issue. If the matter cannot be resolved directly or appears fraudulent, file a dispute with your card issuer within their required time frame, including copies of emails, invoices, and internal approvals. ([dnb.com](https://www.dnb.com/business-directory/company-profiles.wems_inc.590a60abdaef04a18cbf33acbb697f39.html?utm_source=openai))

What should I do if no one in my organization recognizes the WEMS, Inc. charge?

Circulate the merchant name and transaction details to departments likely to buy technical equipment—engineering, R&D, facilities, or lab operations—and search your purchasing system for vendors named “WEMS,” “WEMS Electronics,” or “Vacuum Atmospheres.” If no matching records are found, contact WEMS, Inc. to ask which customer account and invoice the card number is associated with. If they cannot verify a legitimate order tied to your organization, report the transaction to your card issuer as potentially unauthorized. ([dnb.com](https://www.dnb.com/business-directory/company-profiles.wems_inc.590a60abdaef04a18cbf33acbb697f39.html?utm_source=openai))

How can we contact WEMS, Inc. about a billing or invoice question?

Use the contact information listed on their official website, wems.com, which includes their Hawthorne, California address and primary phone number. When you reach out, have your invoice number, PO number, transaction date, and card‑statement amount ready so their accounting or customer service staff can quickly locate your account and help resolve any billing questions. ([dnb.com](https://www.dnb.com/business-directory/company-profiles.wems_inc.590a60abdaef04a18cbf33acbb697f39.html?utm_source=openai))

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