Supply Chain &
Vendor Network
Strategic partnerships driving operational excellence. We meticulously source critical materials, EPC services, and logistical support from over 4,500 qualified global vendors.
Vendor Portal
Secure Access (Ariba Network)New Supplier? Start Prequalification
Mandatory Compliance Framework
ISNetworld Subscription
All US and Canadian contractors must maintain an active, Grade-A ISNetworld account. We utilize this platform to verify your OSHA 300 logs, EMR ratings, and corporate safety manuals.
View ISN Requirements →Financial Stress Testing
Suppliers bidding on CAPEX projects exceeding $5M must submit to an annual D&B financial risk assessment to ensure continuous liquidity and operational continuity.
Submit Audit Form →Anti-Corruption (FCPA)
Strict adherence to the Foreign Corrupt Practices Act (FCPA). All international vendors must complete mandatory e-learning modules regarding anti-bribery and conflict minerals.
Read Vendor Code →Active Procurement Categories
Our category managers are constantly sourcing high-grade industrial materials and elite service providers across the following primary domains.
Upstream Materials
- OCTG (Casing & Tubing)
- Frac Sand & Proppants
- Drilling Fluids & Mud
- Submersible Pumps (ESP)
Downstream & Refining
- Catalyst Chemicals
- Heat Exchangers & Valves
- Turnaround (TAR) Contracting
- Industrial Gases (H2, N2)
Corporate Services
- IT Hardware & SCADA
- EPC Project Management
- PPE & Safety Equipment
- Logistics & Freight
Automated Invoicing Network
Viceroy Petroleum operates on a strict No-PO, No-Pay policy. All approved vendors must route invoices through the Ariba Network to trigger automated matching against goods receipts. Standard payment terms are Net-45 unless registered for our Early Payment Discount program.