Products Offered

D.S. Associates, Inc.

Hillsboro, Oregon

The industry's best HDPE, PVC Conduit & Duct, and PVC Fitting products

Based in Portland, Oregon, D.S. Associates, Inc. is the Pacific Northwest's premier supplier, manufacturer and distributor of top-quality HDPE, PVC Conduit & Duct, and PVC Fitting products and accessories used for the construction of underground telecommunications and electrical utilities. We ship products and accessories throughout the United States, with a primary focus on the Pacific Northwest.

Below is a partial list of products we supply. For more information or to request your quote call D.S. Associates, Inc. at 503-640-8188.

PVC Fittings

  • Expansion Couplers – 1 & 2 Piece
  • Terminator Stubs (Vault Entries)
  • Vertical & Horizontal Spacers
  • Deep Bell by Bell Couplers
  • PVC Long Radius Sweeps
  • Repair Sleeves & Conduit
  • PVC Cement & Primer
  • Fiberglass Sweeps
  • Female Adapters
  • Male Adapters
  • Base Spacers
  • UL Couplers

High-density polyethylene

  • Cable-In-Conduit
  • Plenum Rated
  • Wave Ribbed
  • Smooth Wall
  • U.L. Listed
  • Corrugated
  • Piggyback
  • Figure 8
  • Ribbed

PVC Conduit & Duct

  • Rigid U.L. Conduit & Sweeps
  • PVC Conduit, S-40, S-80
  • Telephone Duct, Type C
  • Bore Guard / Certa-Com
  • Utility Duct, DB, TC10
  • Split Duct
  • Fiberglass

HDPE Accessories

  • Aluminum Reverse Thread Couplers
  • End plugs (Simplex, Triplex, Quad)
  • Expandable Blank Duct Plugs
  • Split Aluminum Couplers
  • Compression Couplers
  • Comfit Couplers
  • Eloc Couplers
  • End Caps

Rope & Pull Line Accessories

  • Pulling Harnesses (3&4 way)
  • Bentonite & Drilling Fluids
  • Pull Rope & Mule Tape
  • Pulling Eyes & Swivels
  • Pulling Lube
  • Mandrels

Utility Boxes

Electrical, Telephone and Fiberoptic utility boxes made from:

  • Polymer Concrete
  • Concrete
  • Fiberglass

Products supplied by
D.S. Associates, Inc.

We are a stocking distributor for High-Density Polyethylene, and keep on hand a variety of ducts in sizes from 1” to 4”, in orange, gray, and black with red stripes along with PVC conduit in 20’ lengths at our yard in Hillsboro, Oregon. Custom HDPE sizes and colors are available upon request. We also manufacture PVC sweeps and fittings at this location. We stock J Boxes, Fiberglass Sweeps and accessory items such as PVC cement, plugs, adapters, Poly-PVC adapters and HDPE couplers, both Aluminum and COMFIT.

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Call the industry leader with 50 years of experience
Call D.S. Associates, Inc. today at 503-640-8188

D.S. Associates, Inc. is proud to work with these fine manufacturers:

Prime Conduit

Reach Out To Us

Phone Number:

Fax Number:

503-640-8192

Email Address:

Request a Quote or Callback from D.S. Associates, Inc.

D.S. Associates, Inc.

160 SW Spring Street
Hillsboro, OR 97123

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