自 1841年以來(lái)，National Oilwell Varco (NOV, 中文譯名：國(guó)民油井華高) 一貫致力于保證顧客得到最高質(zhì)量的油田產(chǎn)品與服務(wù)。

憑借超過(guò) 700 個(gè)遍布全球的制造、銷(xiāo)售及服務(wù)中心，National Oilwell Varco 以顧客為重點(diǎn)，提供能滿足能源工業(yè)界對(duì)質(zhì)量、產(chǎn)能和環(huán)境要求的最佳解決方案。National Oilwell Varco 是世界上最大的鉆井設(shè)備制造商，產(chǎn)品包括陸地和海上鉆機(jī)的大型機(jī)械部件、成套陸地鉆機(jī)和修井機(jī)、管材檢測(cè)和管內(nèi)涂層、鉆柱設(shè)備、多種起升設(shè)備以及各種井下馬達(dá)、鉆頭和工具。National Oilwell Varco 還通過(guò)設(shè)在世界各主要油氣產(chǎn)地的分銷(xiāo)服務(wù)中心網(wǎng)絡(luò)，提供供應(yīng)鏈服務(wù)。

NOV 產(chǎn)品包括以下品牌：Rolligon、Texas Oil Tools、HydraRig、CTES、Fidmash和Elmar，提供各種品牌裝置設(shè)備，這些專業(yè)設(shè)備可以滿足從海上平臺(tái)到沙漠及極地作業(yè)的要求。

National Oilwell Varco
NOV BRANDS

Advanced Wirecloth
Aktro
Alberta Instrument
Albin's Enterprises
Ambar
AmClyde
Products
Ameron
Products
Andergauge
Anson
APL
APPCO
ASEP

Baylor
Bear Pumps
Best Flow Products
BlackMax
BLM
Bowen
Brandt
Cabot
Cardwell
Chimo Equipment
Conner Steel
Continental Emsco
Cooper
Crestex
CTES

Custom Die & Insert
DELCO
Dreco
Eastern Oil Tools
Elmar
EMD (Electro Motive Division)

Fiber Glass Systems
Fibercast
Fidmash
Flanagan Ironworks
Forth Valley Engineering
Franks
Fritz Culver
Gammaloy
Gardner Denver (Hoisting)
Gaso
Gator Hawk
Grant Prideco
Gregory
Griffith
Group KZ
HALCO
Harrisburg
Hepburn
HITEC
Houston Scientific
HSI
Hydra Rig
Hydralift
Hydrastab
Ideco
IntelliServ
IPS
IRI International
Koomey
Kreiter GearTech
Kremco
LOUIS ALLIS
LSI
Lucker
Mathey
MATTCO
McElroy Marine Machinery
MD Totco
Merpro
Miller Oilfield
Mission
Moineaus
Molde
Mono
Monoflo
National
National Oilwell
National Oilwell Varco
NKT
Oil Tools Solutions
Oilwell
Omega Pumps
Pacific Inspection
PCE
Peck-O-Matic
PEP
Permian Fab
Prescott
Procon As
Progressive Technology
Quality Tubing
Rebound Rig
ReedHycalog
Retsco
RMI (Rig Manufacturing International)
Roberds Johnson
Rolligon
ROSS HILL
Rucker
Russell Subsurface
Sauerman
Shaffer
Shearer
Skytop Brewster
Smith Fiberglass
Specialty
Spirit Drilling Fluids
SSI (South Seas Inspection)
SSR
Stabeco
Stalprodukter
Star Fiberglass
STSA
Tech Power
Techdrill
TEM (Tulsa Equipment Manufacturing)
Texas Oil Tools
TS&M
Tuboscope
Turner Oilfield Service
UNIFLEX
Unit (Cranes)
Universal
USF (Utility Steel Fabricators)
Varco
Varco BJ
Vector
Versatech
Welch (Portable Power)
Weston Oilfield Engineering
Wheatley
Wheatley Gaso
Wildcat Services
Woolley
Wyoming Pipe and Tool (WPT)
XL Hardbanding and Fabrication
XL Systems