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Welcome to Sky High Supply, your trusted source for commercial-grade telecom and electrical supplies. Whether you're managing a large-scale infrastructure build or tackling an urgent job site repair, we’ve got the inventory and speed Northeast contractors rely on.

Based in New Jersey and serving New York, Pennsylvania, Connecticut, and beyond, we carry top-tier products from the brands you trust—JMA, Southwire, ConcealFab, and more.

Browse our best-selling categories:

  •  Fiber Jumpers & PIM Solutions

  • THHN & Copper Wire

  • Conduit, Unistrut, and Mounting Hardware

  • Lugs, Barrel Cushions, Tapes, and Accessories

  • Safety Labels & Reflective Markers

Need help finding a product? Our knowledgeable team is here to support electrical contractors, telecom techs, and infrastructure pros every step of the way.

  • AT&T Caution 2B Tower Sign (PIM Rated) by Sky High Supply Company
    AT&T Caution 2B Tower Sign (PIM Rated)
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    AT&T Caution 2B Tower Sign (PIM Rated)

    $17.95
    $17.95
  • Plastic Barrier Chain (Per Foot) by Sky High Supply Company
    Plastic Barrier Chain (Per Foot)
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    Plastic Barrier Chain (Per Foot)

    $2.25
    $2.25
  • 10 Lb Hexagonal Rubber Base for Delineator Post by Sky High Supply Company
    10 Lb Hexagonal Rubber Base for Delineator Post
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    Sold out
    10 Lb Hexagonal Rubber Base for Delineator Post

    $25.00
    $25.00
  • Safety Delineator Post (45" Tall w/Base) by Sky High Supply Company Safety Delineator Post (45" Tall w/Base)
    Safety Delineator Post (45" Tall w/Base)
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     Add To Cart
    Sold out
    Safety Delineator Post (45" Tall w/Base)

    $46.00
    $46.00
  • AT&T Caution 2 Rooftop Sign (PIM Rated) by Sky High Supply Company
    AT&T Caution 2 Rooftop Sign (PIM Rated)
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     Add To Cart
    AT&T Caution 2 Rooftop Sign (PIM Rated)

    $17.95
    $17.95
  • Verizon Wireless White Contact Information Sign (8" x 12")
    Verizon Wireless White Contact Information Sign (8" x 12")
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    Verizon Wireless White Contact Information Sign (8" x 12")

    $30.00
    $30.00
  • "10 Meter 6 Strand LC-LC Singlemode Outdoor Rated Fiber Trunk Cable with blue LC connectors and black jacket"
    10m LC-LC SM Fiber Trunk, 6 Strand Outdoor Rated
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    10m LC-LC SM Fiber Trunk, 6 Strand Outdoor Rated

    $275.00
    $275.00
  • LC-LC Duplex OM4 Multi Mode Aqua PVC Fiber Jumper (Various Sizes)
    LC-LC Duplex OM4 Multi Mode Aqua PVC Fiber Jumper (Various Sizes)
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     Add To Cart
    LC-LC Duplex OM4 Multi Mode Aqua PVC Fiber Jumper (Various Sizes)

    $20.00
    $20.00
  • LC-LC Duplex OM3 Multi Mode Aqua PVC Fiber Jumper (Various Sizes)
    LC-LC Duplex OM3 Multi Mode Aqua PVC Fiber Jumper (Various Sizes)
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     Add To Cart
    LC-LC Duplex OM3 Multi Mode Aqua PVC Fiber Jumper (Various Sizes)

    $20.00
    $20.00
  • LC-LC BiDi Simplex Yellow PVC Fiber Jumper (Various Sizes) by Sky High Supply Company
    LC-LC BiDi Simplex Yellow PVC Fiber Jumper (Various Sizes)
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     Add To Cart
    LC-LC BiDi Simplex Yellow PVC Fiber Jumper (Various Sizes)

    $8.00
    $8.00
  • SC-LC Duplex Single Mode Yellow PVC Fiber Jumper (Various Sizes)
    SC-LC Duplex Single Mode Yellow PVC Fiber Jumper (Various Sizes)
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     Add To Cart
    SC-LC Duplex Single Mode Yellow PVC Fiber Jumper (Various Sizes)

    $13.00
    $13.00
  • LC-LC Duplex Single Mode Yellow PVC Fiber Jumper (Various Sizes)
    LC-LC Duplex Single Mode Yellow PVC Fiber Jumper (Various Sizes)
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     Add To Cart
    LC-LC Duplex Single Mode Yellow PVC Fiber Jumper (Various Sizes)

    $11.00
    $11.00
  • Fiber Tags (Pack of 50)
    Fiber Tags (Pack of 50)
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    Fiber Tags (Pack of 50)

    $27.50
    $27.50
  • Wax String #9 175 Yard Roll
    Wax String #9 175 Yard Roll
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    Wax String #9 175 Yard Roll

    $16.00
    $16.00
  • 20M LC-ODC Hybrid Fiber Jumper
    20M LC-ODC Hybrid Fiber Jumper
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    20M LC-ODC Hybrid Fiber Jumper

    $90.00
    $90.00
  • Verizon Wireless Green Information Sign (8" x 12")
    Verizon Wireless Green Information Sign (8" x 12")
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    Verizon Wireless Green Information Sign (8" x 12")

    $30.00
    $30.00
  • Verizon Wireless Yellow Caution Sign (6"H x 7.5"W)
    Verizon Wireless Yellow Caution Sign (6"H x 7.5"W)
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     Add To Cart
    Verizon Wireless Yellow Caution Sign (6"H x 7.5"W)

    $30.00
    $30.00
  • Verizon Wireless Yellow Guidelines Sign (8" x 12")
    Verizon Wireless Yellow Guidelines Sign (8" x 12")
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     Add To Cart
    Verizon Wireless Yellow Guidelines Sign (8" x 12")

    $30.00
    $30.00
  • Verizon Wireless Orange Warning Sign (6"H x 7.5"W)
    Verizon Wireless Orange Warning Sign (6"H x 7.5"W)
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    Verizon Wireless Orange Warning Sign (6"H x 7.5"W)

    $30.00
    $30.00
  • Verizon Wireless Blue Notice Sign (6"H x 7.5"W)
    Verizon Wireless Blue Notice Sign (6"H x 7.5"W)
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     Add To Cart
    Verizon Wireless Blue Notice Sign (6"H x 7.5"W)

    $30.00
    $30.00
  • Black 40" Reflective Transmitter Sticker for Cell Sites Black Transmitter Sticker (Pack of 10)
    Black Transmitter Sticker (Pack of 10)
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    Black Transmitter Sticker (Pack of 10)

    $125.00
    $125.00
  • Red Transmitter Sticker (Pack of 10)
    Red Transmitter Sticker (Pack of 10)
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    Red Transmitter Sticker (Pack of 10)

    $125.00
    $125.00
  • GPS Cable for IXRE Router – 6 ft LMR-240, N-Male to 1.0-2.3 Male | Verizon Cell Site Compatible | Sky High Telecom Supply GPS Cable for IXRE Router – 6 ft LMR-240, N-Male to 1.0-2.3 Male | Verizon Cell Site Compatible | Sky High Telecom Supply
    IXRE GPS Cable – LMR-240, N-Male to 1.0-2.3 Male: 6ft (Verizon Site Compatible)
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     Add To Cart
    IXRE GPS Cable – LMR-240, N-Male to 1.0-2.3 Male: 6ft (Verizon Site Compatible)

    $70.00
    $70.00
  • Square D - QO2125 - 125 Amp Circuit Breaker Square D - QO2125 - 125 Amp Circuit Breaker
    Square D - QO2125 - 125 Amp Circuit Breaker
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    Square D - QO2125 - 125 Amp Circuit Breaker

    $89.99
    $89.99
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