- 4 Star Hose & Supply Co
- A & B Valve & Piping Systems
- A & B Valve Piping Systems
- A & E Assoc
- A C Controls Co
- A C Controls Co Inc
- A C Controls Co Inc
- A L Hacker Co Inc
- A T Controls
- A-Air Command Div Tipler Corp
- A2Z Buying Svc Inc
- AALCO Pipe & Valve
- Abbott Valve & Fitting Co
- ABS Ind Supply
- Accumatics
- Accurate Valve Automotion Inc
- Accurated Value Automation Inc
- ACE Enterprises
- Ace Sales Group Inc
- Action Valve & Fitting
- Action Valve & Fitting Inc
- ACV System LLC
- Adams Davis & Preuett Inc
- Admiral Valve
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- Advance Co
- Advance Co
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- Alaska Valve & Fitting Co
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- Albuquerque Valve & Fitting Co
- Aldor LLC
- All Around Tap & Valve Co
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- Allagash Valve & Controls Inc
- Alliance Tube & Fitting Inc
- Allied Valve Industries Inc
- Alloy Tubular Products Co
- Alloy Valves & Controls
- Alltech Supply Inc
- Alpha Brass Corp
- Alpha Valves & Instruments
- Alpi Industrial Supply
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- Alpine Valve & Control Systems
- Alzheimer's Assoc-South Texas
- Alzheimer's Assoc-South Texas
- AM West Inc
- American Alloys Inc
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- American Petroleum Valve Co
- American Valve & Fitting
- American Valve Ctr
- American Valve Svc LLC
- Ameripipe Supply
- Ameritas Life
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- AMF Ind Inc
- Ampo
- Ampo
- Amsco Sales Corp
- Anchor Darling Valve Co
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- Anderson Greenwood & Co
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- ASCO Valve Inc
- ASCO Valve Inc
- ASCO Valve Inc
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- Associated Flow Controls Inc
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- Atlantic Group Inc
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- Augusta Valve & Automation
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- Aurora Supply
- Austin Valve & Technology
- Automated Valve & Equipment
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- AVK Carbo-Bond Inc
- Avsco Houston
- AWC Inc
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- B & C Valve Co Intl
- B & H Valve Co Inc
- B & W Cramer Co
- B & W Cramer Co
- B S & B Safety Systems
- B S Co Inc
- Babco Valves
- Backflow Prevention Device Tst
- Backflow Prevention Device Tst
- Bajco Industries Corp
- Baker Utility Supply
- Balkore Industries Inc
- Balon Valves
- Balta Corp
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- Barr Saunders Inc
- Barrett Equipment Co
- Basin Valve Co
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- Bay Area Ind Supl
- Bay Associates
- Bay Valve Svc Inc
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- Beaumont Fluid System Techs
- BEKO Condensate Sys Corp
- Bel Valves
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- Bell Pipe & Supply Co
- Berg-Dorf Pipe & Supply Co Inc
- Bermad Inc
- Bernhard & Co
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- Best Supply Co Inc
- Bibb Control Systems
- Bifold Group North America
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- Bill Moore Supply Co
- BJR Valve Inc
- BNL-Industries
- Bob White Assoc Inc
- Bogan Supply Inc
- Boig & Hill Inc
- Boig & Hill Inc
- Boiler Valve & Equipment Inc
- Bonney Forge
- Boston Valve & Fitting
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- Boyleston Twenty-First Century
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- Brico Inc
- Brico Inc
- Bright Valve
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- Broen Inc
- Burkert Contromatic
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- Burkert Fluid Control
- Burling Valve Co LLC
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- Bush & Wilton Inc
- Byrum Valve & Fitting Inc
- C & C Industries
- C & C Industries LLC
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- Caltex Technology Co
- Caltrol Inc
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- Capital Valve & Fitting Co
- Capital Westward System
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- Carlsen Magill Assoc
- Carolina Conveying Inc
- Carr Co
- Carter Chambers Supply Inc
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- Casella Sales & Marketing Inc
- Cashco Inc
- Casper Valve Repair & Exchange
- Castle Systems
- Castor Engineering Inc
- Cauley Sales Inc
- Cavco Inc
- CBC Svc
- CCI
- Central States Group
- Central States Group
- Central States Group
- Centro Inc
- Centro Inc
- Centro-Nashville
- Century Control Systems Inc
- CET Inc
- Cg & S Valve Co
- Chalmers & Kubeck
- Chalmers & Kubeck
- Chalmers & Kubeck North
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- Chalmers & Kubeck South
- Chambless Inc
- Champagne Valve Supply
- Champion Valve Co
- Champion Valves
- Channel Supply Inc
- Charleston Valve & Fitting Co
- Cheerford International Inc
- Chem Flowtronics
- Chem Valve
- Chemac Co
- Chemcorr Group Inc
- Chemical Piping Systems Inc
- Chemical Piping Systems Inc
- Chipman Valve & Equipment
- Cinci Piping Supply Inc
- Cincinnati Valve & Fitting Co
- Cincinnati Valve Co
- Cipriani Inc
- CLA Val Co
- Cla Val Co
- Cla-Val Co
- Cla-Val Co
- Cla-Val Co
- Cleburne Propane Co
- Cleburne Propane Co
- Cleveland Valve Co
- Cleveland Valve Technologies
- Clow Valve Co
- Coast Valve & Fittings Co
- Coastal Fitting & Valve Co LLC
- Coastal Fitting & Valves LLC
- Coastal Fittings & Valves
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- Coastline Valve & Fitting
- Cole Industrial & Technical
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- Colesco Inc
- Colley & Assoc Inc
- Collins Pipe & Supply Co
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- Columbus Temperature Control
- Commercial Valve
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