- 4 Z Management
- Advanced Measurement Co
- AGA Measurement Inc
- American Flow Measurement Co
- Armstrong Gas Labs Inc
- Bromley Gas Measurement Svc
- CBS Gas Measurement
- Charts Limited
- Coastal Flow Measurement
- Coastal Flow Measurement Inc
- Coastal Flow Measurement Inc
- Comedgets
- Cone Natural Gas Measurement
- Critco Flow Measurement
- Dale Ann Co Inc
- Duke Controls Inc
- Duke Controls Inc
- EFM Technical Svc
- EMS Pipeline Svc
- EMS Pipeline Svc
- Energy Maintenance Svc Group
- Energy Maintenance Svc Group
- G & H Inspection Svc Inc
- Gas Analytical Solutions Inc
- Gas Measurement Svc
- Glenn Brooks & Assoc
- Glenn Brooks & Assoc
- Godsey's Mea-Sure-Ment Co
- H L Moffett
- Houston Flow Measurement Inc
- Houston Flow Measurement Inc
- Howard Measurement Co
- J L Sheppard Consultant
- J W Measurement
- J W Measurement Co
- J W Measurements
- J-W Measurement/J-W Operating
- JMS Gas Measurement Svc
- Kelley Instrument Machine Inc
- Lone Star Measurement
- Marlin Gas Measurement
- Measurement Concepts Inc
- Measurement Services Inc
- Measurement Testing Svc
- Metco Odessa Measurement & Ct
- Metco Systems
- Metco Systems Inc
- Meter Service & Supply Co Inc
- Meter Technicians
- Metron Gas & Measurements
- Metron Gas Measurement
- Natural Gas Measurement Inc
- Northland-Norward USA Inc
- Pipeline Measurement Co
- Pmi Equipment
- Precision Flow Inc
- Southern Flow Co
- Southern Flow Co
- Southwest Gas Measurement Co
- Tejas Flow Products
- Tennessee Gas Measurement
- Texas Gas Measurment Co
- Thurmond-Mc Glothlin Inc
- Tylan General
- United Measurement & Supl Inc
- Well Testing Wire Line Svc Co
- Wellstream Analytic
- Zeck Systems LLC
