Welker, Inc develops and manufactures sampling and odorization equipment for the oil and gas industry. Their facility is headquartered in Sugar Land, TX. Meter, Valve & Control is the manufacturer’s representative for Welker covering the Southwestern United States (AZ, HI, NV, Southern CA). Our main product lines include include the odorization equipment (branded under the name of OdorEyes) EcoSystem, Accu/Line System, OdorXice, Essentials Injection Odorizer, Farm Tap Odorizer and much more.