- Flow+
- Apollo Valves
- Western Gauge & Instrument (WGI)
- Sharpe
- Velan
- Flotite
- Elite
- Crane
- Watson McDaniel
- TLV
- Velan
- Kingstons
- Crane PSI
- Micromold
- SSI Strainers
- TLV
- Forbes Marshall
- Western Gauge & Instrument (WGI)
- Newco Valves
- Velan
- Flotite
- Flotite
- TlV
- Sharpe
- Texsteam
- Continental Disc Corporation (CDC)
- CDC – Rupture Disc
- GROTH – Vents & Hatches
- GROTH - Emission Monitors
- Line Blinds
