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    • #2 Diesel Fuel "Winter" Testing Package
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Invoice Payment

Invoices may be paid by cash, check, ACH deposit, or credit card.   However, a processing surcharge is assessed for all payments made using a credit/debit card.    To pay your invoice with a credit card, please contact us at 260-489-2551 to confirm the correct or revised total. 

Be advised, Research Laboratories, Inc utilizes the services of PayPal for all credit card payments and some business or government pay cards are unable to be processed due to restrictions beyond our control.  It is not required for customers to have a PayPal account in order for us to its service.

 
  • Contact Us
  • New Customer Application
  • Invoice Payment
  • Sample Submission Form
  • Home
  • About Us
    • About Us
    • Emergency Generator/Monitoring Program
    • #2 Diesel Fuel "Summer" Testing Package
    • #2 Diesel Fuel "Winter" Testing Package
    • Diesel Fuel Additive Comparison Testing
  • News
  • FAQs
  • Contact Us
    • Contact Us
    • New Customer Application
    • Invoice Payment
    • Sample Submission Form
Research Laboratories
6209 Discount DriveFort Wayne, IN 46818
Get Directions
T:260.489.2551
F:260.489.9834
  • Monday: 8:30 – 5:00
  • Tuesday: 8:30 – 5:00
  • Wednesday: 8:30 – 5:00
  • Thursday: 8:30 – 5:00
  • Friday: 8:30 – 12:30
  • Saturday: Closed
  • Sunday: Closed
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