2022 Directory for Top U.S. Natural Gas Odorizer Manufacturers

Are you looking for natural gas odorizer manufacturers? Here are the top brands for odorization equipment manufactured in the United States. Each manufacturer excels in a specific odorization technology: evaporative wick-style or bypass odorizers, vaporization, or odorant injection.

natural gas odorizer manufacturer gpl 750 standalone unit

Learn more about GPL Odorizers’ solutions to eco-friendly odorization.

1. GPL Odorizers

GPL Odorizers is the first manufacturer to offer no methane emission design for environmental sustainability. The sealed-loop ventless odorant injection system safely and accurately odorizes natural gas, biogas, RNG, and propane. The two base models (GPL 750 and GPL 10000) both offer odor-free operation, accurate odorization proportional to flow, real-time system monitoring, and alarm notification.

  • The standard GPL 750 is appropriate for low-volume applications, from no-flow to 24 MMSCF per day (1 PSI-225 PSI). The GPL 750 RNG excels in odorizing biogas and renewable natural gas for biomethane and biogas producers.
  • The GPL 10000 is for applications from 0.48 MMSCFD up to 240 MMSCF per day (30-1480 PSI). Linc Energy Systems is the leading GPL distributor and the authorized service provider for the equipment.

Technology Type – chemical injection

(303) 927-7683
12450 West Cedar Dr.
Lakewood, Colorado 80228

2. King Tool Company

King Tool Company manufactures various oil and gas industry equipment, including two lines of natural gas odorizers. The “B” Series are bypass-type odorizers that handle flow rates up to 8 MMSCF per hour, while the “W” Series uses a wick assembly and is for small flow applications appropriate for flow up to 500 SCF per hour.

Technology Type – chemical vaporization

(903) 759-4478
208 S. Avenue A
Longview, Texas 75604

3. Preco Odorant Injection

PRECO manufactures pulse bypass odorization systems for lower volume and lower pressure applications and a pump-odorizer system for higher volume or higher-pressure applications.

Technology Types – chemical vaporization and injection

607 North 108th Circle
Omaha, NE 68154

4. Welker Odoreyes

eco friendlyWelker odorizer manufactures varying odorization systems, from wick-style pump injection to automatic bypass. The flagship line is the ECOsystem, an automated infusion bypass system offering odorization proportional to flow for flow rates up to 5 MMscfh. The Accu/Line pump injection system handles up to 70 MMscfh, and their portable injection system handles up to 6.4 MMscfh.

Technology Types – chemical vaporization and injection

(281) 491-2331
13839 West Bellfort Street
Sugar Land, TX 77498

5. YZ Systems

YZ Systems is the leading seller of odorization equipment and an Ingersoll Rand company. Their flagship brand is NJEX® and offers various models for proportional-to-flow odorant injection. Additionally, they offer the HVO (high volume odorizer), and a new ZEO Zero Emission Odorizer offers no methane emissions “during normal operation.”

Technology type – chemical injection

(281) 362-6500
8825 N Sam Houston Pkwy W.
Houston, Texas, US

Natural Gas Odorizer Manufacturer Guide

If you need help selecting an odorizer for a specific application, call us or take a look at our Odorization Section Guide for US Odorant Injection Systems.


7 International Odorization Equipment Manufacturers

  1. Regas Srl – Italy
  2. Intra EM – Latvia
  3. Varicon Pumps & Systems Pvt. Ltd – India
  4. Nikkiso Co., Ltd (LEWA Group) – Germany
  5. Honeywell International
  6. Fluideco – Spain
  7. Emerson

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