Hot Taps, Line Stops, Valve Insert Services | Portland, Oregon and Pacific Northwest
Serving The Pacific Northwest Since 1972
Hot Taps, Line Stops, Valve Insert Services | Oregon | A&A Drilling

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A&A Drilling Service, Inc.
PO Box 68239
16735 SE Kens Ct.
Milwaukie, OR 97267




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Our Services

Modern Flow Control Techniques

A&A Drilling Service specializes in modern flow control techniques for alterations, relocation, extension, addition, repair, replacement or abandonment of piping or vessels without shutdown or interruption of service to critical processes or to customers.

Flow Control Services

Flow control techniques can be applied to all aspects of municipal and industrial requirements. These techniques can be applied to water, gas, condensate, steam, hydrocarbons, sewer, storage tanks and the like.

Line StopsHot Taps
Line StoppingHot Tapping
Thermowell InstallationsValve Inserts
Valve Inserts


  • No contamination or loss of product
  • No loss of fire protection
  • No necessity for disposal of toxic or flammable fluids
  • No loss of production or profit
  • No hidden costs: for manpower; no opening and closing of valves, draining, purging, and refilling
  • Minimal time on the job
  • High pressures and temperatures (1440 PSI at 100 degrees; 700 PSI at 700 degrees).
  • The largest inventory of tapping sleeves in the Northwest
  • Trucks are self-contained
  • 24 hour phone service
Further technical information, including audio visual presentations, references, and cost estimates are available upon request.

Additional Services

Backflow Devices

  • Testing
  • Sales
  • Installation
  • Hot Tapping Equipment Service and Repair
  • Vault Setting and Internal Piping

Fire Hydrants

  • Sales
  • Installation
  • Repair / Service