WHERE STANDARDS ARE SET™
North America’s leading end-to-end gas odorization partner since 1996.
Engineer and Implement
System Design
We engineer, fabricate, and commission turnkey odorization systems built around your site conditions and operating requirements.
Supply and Maintain
Operations & Field Service
We supply and deliver odorant, and condition and service your systems — keeping gas reliably detectable from a line's first day to its last.
Verify and Validate
Risk Management
We identify risks before they impact your system through compliance audits, assessments, and odor detectability validation.
Trusted Across North America
Our Clients
Who We Work With
Gas Utilities
From system design through ongoing maintenance, explore how we support gas utilities with specialized services that keep odorization infrastructure compliant and reliable.
Refineries & Midstream
In a complex regulatory environment, explore how we support operators across midstream and refinery systems where odorization reliability and documentation are critical.
Renewable Natural Gas
As renewable natural gas expands, odorization plays a critical role. We help RNG operators integrate it into existing infrastructure, safely and on schedule.
Engineering & EPC
We work closely with engineering consultants, supporting the design, validation, and long-term performance of the odorization systems they specify for their clients.
Safety
Safety Shouldn’t Be Second-Guessed
See
Our Approach
Certifications, Compliance, and Memberships
Certifications & Compliance
CSA
Certified Equipment
CRN
Registered Across Canada
TSSA
Ontario Registered
TDG
Dangerous Goods Compliant
US DOT
Registered Carrier
ISNetworld® & Veriforce
Verified Contractor
Association Memberships
AGA
American Gas Association
CGA
Canadian Gas Association
KGA
Kentucky Gas Association
LGA
Louisiana Gas Association
MEA
Midwest Energy Association
NGA
Northeast Gas Association
NYSEARCH
Associate Member #001
MRR equipment and services support operator compliance with federal odorization requirements, including 49 CFR 192.625 (US) and CSA Z662 (Canada)
Client Stories
Participating in the safe delivery of natural gas at every stage. From local utilities to the largest gas operators in North America.
Four-Station Retirement, 2,300 Gal.
Retiring odorization infrastructure across four stations, recovering 2,300 gallons of odorant for continued service.
Manhattan Odor Fade Resolution
Odor fade in the new gas piping of a Manhattan high-rise, eliminated in two weeks with no odorant intentionally released to the neighborhood.
Three-Tank Decommissioning
Stabilizing and decommissioning three tanks damaged in a suspected lightning-strike fire, four days from mobilization to closure.
12-Inch Odorant Drain and Incineration
Excavating, tapping, and draining liquid odorant from a 12-inch transmission line — two-week response with on-site incineration.
1980s Tank Removal
Removing a 1980s-era underground bulk odorant tank too large to transport — treated and cut down for removal entirely on site.
1,000-Gallon Modular Building
A 1,000-gallon modular odorization building, fabricated at the MRR shop and set on its foundation as a single integrated unit.
Emergency Temporary Odorization
Maintaining odorization compliance for three months while a failed permanent system was redesigned, fabricated, and installed.
New Jersey Mall Gas Line Conditioning
Conditioning new gas lines inside a mall under construction — with continuous monitoring that surfaced previously undetected leaks.
36-Inch, 10-Week Pickling at 850 psig
Conditioning a new 36-inch, 64-mile transmission pipeline over 10 weeks of continuous online pickling at 850 psig.
C1D1 Dual-Odorizer Trailer
A dual-odorizer trailer with integrated filtration, flow telemetry, and C1D1-rated systems — 20 weeks from order to delivery.
5,000-Gallon Tank Decommissioning
Replacing a 5,000-gallon ethyl mercaptan tank at a refinery, with 1,800 gallons of odorant held and returned to service.
Six-Week Flow Generation
Portable flow generation supporting an inline inspection campaign in northern Ontario — 12 to 16 hours a day across six weeks.
Large Mercaptan Spill Remediated
More than 400 odor calls, seven figures a day in potential lost revenue, and mercaptan underground beside active waterways.
30 Years
200+ Utilities
10 Provinces, 49 States
1,000+ Sites a Year
Engineered Equipment and Products
Made by MRR
We design and manufacture specialized equipment and chemical products that are available for resale. Explore our offerings to elevate your systems.
Leave Nothing to Chance
For your next job, trust the team that has been setting the standard in gas odorization since 1996.