Rotary Drill Stem Elements
8 product categories (source: API Composite List)
Mud pump parts, drill stem & hoisting equipment suppliers
Drill stem elements, rotary shouldered connections, oilfield chain, drilling and well servicing equipment, drill stem valves and hoisting equipment.
- API standards
- API-7-1, API-7-2, API-7F, API-7K, API-7V, API-8C
- Product categories
- 53
Standards and suppliers
Threading and Gauging of Rotary Shouldered Thread Connections
2 product categories (source: API Composite List)
Oil Field Chain and Sprockets
1 product category (source: API Composite List)
Drilling and Well Servicing Equipment
13 product categories (source: API Composite List)
Drill Stem Valves
3 product categories (source: API Composite List)
Drilling and Production Hoisting Equipment (PSL 1 and PSL 2)
26 product categories (source: API Composite List)
Product categories
Kelly Valves
Kellys
Drill Stem Subs
Drill Collars
Heavy Weight Drill Pipe
Roller Cone Bits
Fixed Cutter Bits
Stabilizers
Rotary Shouldered Connection Ring and Plug Gauges
Rotary Shouldered Connections Threads
Roller Chain
Rotary Tables
Rotary Bushings
Rotary Slips
Piston Mud Pump Components
Drawworks Components
Spiders
Manual Tongs
Safety Clamps not used as Hoisting Devices
BOP Handling Systems
High Pressure Mud and Cement Hoses
Pressure Relieving Devices for High-Pressure Drilling Fluid Circulating Systems
Snub-Lines for Manual and Power Tongs
Slip Bowls
Drill Pipe Float Valves
Kelly Valves
Inside Blow Out Preventers
Block-to-Hook Adapters
Connectors and Link Adapters
Drilling Hooks
Tubing and Sucker Rod Hooks
Casing, Tubing, Drill Pipe and Drill Collar Elevators
Sucker Rod Elevators
Rotary Swivel Bail Adapters
Power Swivels
Safety Clamps, if Capable of Being Used as Hoisting Equipment
Hoisting Sheaves
Traveling Blocks and/or Hook Blocks
Drilling, Tubing and/or Sucker Rod Hooks
Elevator Links
Elevators (Casing, Tubing, Drill-Pipe1, Drill-Collar, Sucker Rod)
Rotary Swivels
Power Subs
Power Swivels and/or Top Drives
Spiders, if Capable of Being Used as Elevators
Wire-line Anchors
Drill-String Motion Compensators
Kelly Spinners, if Capable of Being Used as Hoisting Equipment
Safety Clamps, If Capable of Being Used as Hoisting Equipment
Guide Dollies for Travelling Equipment
Casing Running Tools
Hydraulic Hoisting Cylinders
Adapters
Frequently asked questions
Are the drill stem & hoisting suppliers listed here certified by OFMP?
No. OFMP is not API and does not certify, audit or endorse suppliers. Supplier profiles organize API certificate records that the source marks Active; confirm the certificate number, product scope and current status on the API Composite List before purchasing.
How do I check a supplier's API certificate?
Search the API Composite List by certificate number or company name and check that the status, facility address and product scope match the quotation. Read the guide
How do I contact a supplier?
Open a supplier profile. Active members can view the contact details a supplier has provided.
Standard and product names come from the API Composite List search snapshot (2026-10-10). Family groupings and Chinese reading aids are OFMP editorial additions, not official API classifications or translations. OFMP is not affiliated with API.
View all product families