281.491.2331 13839 West Bellfort Street Sugar Land, TX
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281.491.2331 13839 West Bellfort Street Sugar Land, TX
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USA Representatives

WELKER > USA Representatives
Become a Welker Partner

Engineered Solutions. Find a Representative Today.

Contact a rep today for engineered solutions. Our authorized representatives are knowledgeable in their respective applications and can provide an engineered solution from Welker’s proven portfolio of products and systems. They can also provide you peace of mind with technical support backed by Welker.

The listed companies are Welker’s Authorized USA Representatives. If you do not see the name of a company listed below, they are not a Welker Authorized USA Representative.
TerritoryCompanyContactPhoneWebsiteProduct Categories
Alabama (North)Control Southern770-495-3100controlsouthern.comNatural Gas Spot & Composite
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
AlabamaJohn H Carter225-751-3788johnhcarter.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
ArizonaCaltrol925-226-0248caltrol.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
ArizonaVinson Process Controls800-420-6571vinsonprocess.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas System
Filters
Instrumentation
Cleaning & Maintenance
ArkansasJohn H Carter225-751-3788johnhcarter.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
ArkansasVinson Process Controls800-420-6571vinsonprocess.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas System
Filters
Instrumentation
Cleaning & Maintenance
CaliforniaCaltrol925-226-0248caltrol.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
CaliforniaWestern Gas Technologies916-630-9369westerngastech.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
ColoradoPower Controls303-777-3100powercontrols.comNatural Gas Spot & Composite Sampling
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
ColoradoVinson Process Controls800-420-6571vinsonprocess.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas System
Filters
Instrumentation
Cleaning & Maintenance
Florida (Except Panhandle)Control Southern770-495-3100controlsouthern.comNatural Gas Spot & Composite
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
Florida (Panhandle)John H Carter225-751-3788johnhcarter.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
GeorgiaControl Southern770-495-3100controlsouthern.comNatural Gas Spot & Composite
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
GuamCaltrol925-226-0248caltrol.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
HawaiiCaltrol925-226-0248caltrol.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
IdahoWestern Gas Technologies916-630-9369westerngastech.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
IllinoisHolland Supply Co.740-549-6550hollandsupplycompany.comOdorization
IllinoisMid American Technologies734-451-0060Natural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
IndianaHolland Supply Co.740-549-6550hollandsupplycompany.comOdorization
IndianaMid American Technologies734-451-0060Natural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
KentuckyHolland Supply Co.740-549-6550hollandsupplycompany.comOdorization
KentuckyA. Blair Powell412-347-0446abpowell.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
LouisianaJohn H Carter225-751-3788johnhcarter.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
MichiganMid American Technologies734-451-0060Natural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
MinnesotaMid American Technologies734-451-0060Natural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
MississippiJohn H Carter225-751-3788johnhcarter.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
MontanaPower Controls303-777-3100powercontrols.comNatural Gas Spot & Composite Sampling
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
Nevada (Except Northeast)Caltrol925-226-0248caltrol.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
NevadaWestern Gas Technologies916-630-9369westerngastech.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
New Mexico (Southwest)Caltrol925-226-0248caltrol.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
New Mexico (Northwest)Power Controls303-777-3100powercontrols.comNatural Gas Spot & Composite Sampling
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
New MexicoVinson Process Controls800-420-6571vinsonprocess.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas System
Filters
Instrumentation
Cleaning & Maintenance
North CarolinaRobert E. Mason704-375-4464remason.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Light Liquids Sampling
Refined Products Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
Cleaning & Maintenance
North Dakota (West)Power Controls303-777-3100powercontrols.comNatural Gas Spot & Composite Sampling
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
OhioA. Blair Powell412-347-0446abpowell.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
OhioHolland Supply Co.740-549-6550hollandsupplycompany.comOdorization
Ohio (West)Mid American Technologies734-451-0060Natural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
OklahomaVinson Process Controls800-420-6571vinsonprocess.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas System
Filters
Instrumentation
Cleaning & Maintenance
OregonWestern Gas Technologies916-630-9369westerngastech.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
Pennsylvania (West)A. Blair Powell412-347-0446abpowell.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
PennsylvaniaHolland Supply Co.740-549-6550hollandsupplycompany.comOdorization
South CarolinaRobert E. Mason704-375-4464remason.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Light Liquids Sampling
Refined Products Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
Cleaning & Maintenance
Tennessee (East)Control Southern770-495-3100controlsouthern.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
TexasVinson Process Controls800-420-6571vinsonprocess.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas System
Filters
Instrumentation
Cleaning & Maintenance
Texas (South & East)RBI Solutions281-208-8898rbisolutions.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Refined Products Sampling
Petrochemical Sampling
Filters
Instrumentation
Utah (East)Power Controls303-777-3100powercontrols.comNatural Gas Spot & Composite Sampling
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
UtahVinson Process Controls800-420-6571vinsonprocess.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas System
Filters
Instrumentation
Cleaning & Maintenance
UtahWestern Gas Technologies916-630-9369westerngastech.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
VirginiaRobert E. Mason704-375-4464remason.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Light Liquids Sampling
Refined Products Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
Cleaning & Maintenance
WashingtonWestern Gas Technologies916-630-9369westerngastech.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
Natural Gas Control
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
West VirginiaA. Blair Powell412-347-0446abpowell.comNatural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
West VirginiaHolland Supply Co.740-549-6550hollandsupplycompany.comOdorization
WisconsinMid American Technologies734-451-0060Natural Gas Spot & Composite Sampling
Natural Gas Sample Conditioning
LNG Sampling
Natural Gas Control
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Petrochemical Sampling
Odorization
Chemical Infusion
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation
WyomingPower Controls303-777-3100powercontrols.comNatural Gas Spot & Composite Sampling
Light Liquids Sampling
Refined Products Sampling
Crude Oil Sampling
Odorization
Instrument Grade Natural Gas Conditioning System
Filters
Instrumentation