All Products

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.

388 products

  • 4 Ft Black Heat Shrink 1" 3:1 Ratio by Sky High Supply Company
    4 Ft Black Heat Shrink 1" 3:1 Ratio by Sky High Supply Company
    Sky High Supply Company

    4 Ft Black Heat Shrink 1/2' 3:1 Ratio

    $4.00
    $4.00

    The 4 Ft Black Heat Shrink 1/2" 3:1 Ratio is a professional-grade heat-shrinkable tubing designed to provide insulation, environmental protection, and strain relief for cable connections...
  • 4 Ft Black Heat Shrink 1" 3:1 Ratio by Sky High Supply Company
    4 Ft Black Heat Shrink 1" 3:1 Ratio by Sky High Supply Company
    Sky High Supply Company

    4 Ft Black Heat Shrink 1" 3:1 Ratio

    $9.00
    $9.00

    Package Quantity 1 - 4ft Piece of Heat Shrink Adhesive lined  General Specifications 1" Heat Shrink 3:1 Ratio

  • Universal Barrel Cushion 1-1/4" (Pack of 10)Universal Barrel Cushion 1-1/4" (Pack of 10)
    Universal Barrel Cushion 1-1/4" (Pack of 10)
    Sky High Supply Company

    Universal Barrel Cushion 1-1/4" (Pack of 10)

    $26.00
    $26.00

    Universal Barrel Cushion – 1-1/4" EPDM Rubber Grommets (Pack of 10) Secure your cable installations with confidence using our Universal Barrel Cushions. This 10-pack of 1-1/4"...
  • Seven Hole Barrel Cushion 1-5/8" (Bag of 10)Seven Hole Barrel Cushion 1-5/8" (Bag of 10)
    Seven Hole Barrel Cushion 1-5/8" (Bag of 10)
    Sky High Supply Company

    Seven Hole Barrel Cushion 1-5/8" (Bag of 10)

    $39.00
    $39.00

    Seven Hole Barrel Cushion – 1-5/8" EPDM Rubber Grommets (Bag of 10) Built for high-performance cable management installations, this 10-pack of 1-5/8" Seven Hole Barrel Cushions...
  • Four Hole Barrel Cushion 1-5/8" (Bag of 10)Four Hole Barrel Cushion 1-5/8" (Bag of 10)
    Four Hole Barrel Cushion 1-5/8" (Bag of 10)
    Sky High Supply Company

    Four Hole Barrel Cushion 1-5/8" (Bag of 10)

    $39.00
    $39.00

    Four Hole Barrel Cushion – 1-5/8" EPDM Rubber Grommets (Bag of 10) Secure your fiber and coax cable runs with precision using our 1-5/8" Four Hole...
  • PSCC-2001 Orange PIM Shield Cushion 10.6-12.5mm
    Sky High Supply Company

    PSCC-2001 Orange PIM Shield Cushion 10.6-12.5mm

    $18.00
    $18.00

    PSCC-2001 Orange PIM Shield Cushion Pack of 10 Orange PIM Grommet for 7/8" PIM Snap-in For Cable Size 10.6mm to 12.5mm  
  • PSCC-1002 Gray PIM Shield Cushion 6.6-8.5mm
    Sky High Supply Company

    PSCC-1002 Gray PIM Shield Cushion 6.6-8.5mm

    $12.00
    $12.00

    ConcealFab Gray PIM Shield Cushions Pack of 10 Gray Cushions for 1/2" PIM Snap-ins Cable Size 6.6mm - 8.5mm
  • Barrel Cushion for 39-40mm Hybrid Cable - AT&T/Verizon/T-Mobile Compatible (Pack of 10)Barrel Cushion for 39-40mm Hybrid Cable - AT&T/Verizon/T-Mobile Compatible (Pack of 10)
    Barrel Cushion for 39-40mm Hybrid Cable - AT&T/Verizon/T-Mobile Compatible (Pack of 10)
    Sky High Supply Company

    Barrel Cushion for 39-40mm Hybrid Cable - AT&T/Verizon/T-Mobile Compatible (Pack of 10)

    $32.00
    $32.00

    Package Quantity 10 Grommets General Specifications EPDM Rubber UV Rated Inside Hole 39-40mm Designed for hybrid cable (6x12 6x24)

  • 1/2" Barrel Cushion with 1/4" Hole (Pack of 10)
    Sky High Supply Company

    1/2" Barrel Cushion with 1/4" Hole (Pack of 10)

    $10.00
    $10.00

    Package Quantity (10) 1 Hole Rubber Grommet Barrel Cushion General Specifications  EPDM Rubber Designed for Fiber Optic Jumpers Designed for RET Cables

  • Two Hole Barrel Cushion 1 5/8" (Pack of 10)Two Hole Barrel Cushion 1 5/8" (Pack of 10)
    Two Hole Barrel Cushion 1 5/8" (Pack of 10)
    Sky High Supply Company

    Two Hole Barrel Cushion 1 5/8" (Pack of 10)

    $32.00
    $32.00

    Package Quantity Ten- 2 Hole Rubber Grommets Two Holes  General Specifications  EPDM Rubber Designed for Hybrid Power Cables Designed Telecom Cables

  • Ten Hole Barrel Cushion 1 5/8" (Pack of 10)Ten Hole Barrel Cushion 1 5/8" (Pack of 10)
    Ten Hole Barrel Cushion 1 5/8" (Pack of 10)
    Sky High Supply Company

    Ten Hole Barrel Cushion 1 5/8" (Pack of 10)

    $33.00
    $33.00

    Package Quantity Ten- 10 Hole Multi-Hole Grommets General Specifications  EPDM Rubber Designed for Fiber Optic Jumpers Designed for RET Cables

  • Multi-hole Barrel Cushion 1-5/8" (Pack of 10)Multi-hole Barrel Cushion 1-5/8" (Pack of 10)
    Multi-hole Barrel Cushion 1-5/8" (Pack of 10)
    Sky High Supply Company

    Multi-hole Barrel Cushion 1-5/8" (Pack of 10)

    $37.00
    $37.00

    Package Quantity 6 Multi-Hole Grommets General Specifications  EPDM Rubber Designed for Hybrid Cable Designed for Fiber Optic Jumpers Designed for RET Cables

  • 7/8" Universal Barrel Cushion (Pack of 10)7/8" Universal Barrel Cushion (Pack of 10)
    7/8" Universal Barrel Cushion (Pack of 10)
    Sky High Supply Company

    7/8" Universal Barrel Cushion (Pack of 10)

    $17.00
    $17.00

    The 7/8" Universal Barrel Cushion is a precision-molded EPDM rubber grommet designed to reduce vibration and protect cables in telecom installations where 7/8" coaxial or hybrid...
  • 1-1/4" Barrel Cushion (Pack of 10)1-1/4" Barrel Cushion (Pack of 10)
    1-1/4" Barrel Cushion (Pack of 10)
    Sky High Supply Company

    1-1/4" Barrel Cushion (Pack of 10)

    $29.00
    $29.00

    Package Quantity 10 Grommets General Specifications EPDM Rubber Designed for hybrid cable Designed for 7/8"

  • Universal Barrel Cushion 1-5/8" (Pack of 10)Universal Barrel Cushion 1-5/8" (Pack of 10)
    Universal Barrel Cushion 1-5/8" (Pack of 10)
    Sky High Supply Company

    Universal Barrel Cushion 1-5/8" (Pack of 10)

    $26.00
    $26.00

    Package Quantity 10 Grommets General Specifications EPDM Rubber Designed for hybrid cable Designed for fiber optic cable Designed for RET cable

  • 3/4" Black Velcro Hook & Loop Strips (Roll of 50)3/4" Black Velcro Hook & Loop Strips (Roll of 50)
    3/4" Black Velcro Hook & Loop Strips (Roll of 50)
    Sky High Supply Company

    3/4" Black Velcro Hook & Loop Strips (Roll of 50)

    $18.00
    $18.00

      Black Velcro Hook & Loop Strips Roll of 50 3/4" Wide (at hook) 8" Long  
  • 15" Black Cable Ties (Pack of 100)15" Black Cable Ties (Pack of 100)
    15" Black Cable Ties (Pack of 100)
    Sky High Supply Company

    15" Black Cable Ties (Pack of 100)

    $15.00
    $15.00

    15" Black Cable Ties (Pack of 100) 15" Long Nylon Zip Tie 120lb Breaking Strength Pack of 100

  • LDF4-50A 1/2 inch Heliax coaxial cable from Andrew/CommScope, low-loss RF transmission line.
    LDF4-50A 1/2 inch Heliax coaxial cable from Andrew/CommScope, low-loss RF transmission line.
    Sky High Supply Company

    LDF4-50A 1/2″ Heliax Coaxial Cable – Low-Loss RF Transmission

    $2.35
    $2.35

    The industry-standard LDF4-50A 1/2″ Heliax Coaxial Cable delivers exceptional low-loss RF performance for wireless infrastructure, broadcast, and high-reliability telecom applications. Designed for durability, consistent electrical characteristics,...
  • JMA UXP-NM-12 Power Connector for 7/8 Coax Cable – Sky High Supply
    JMA UXP-NM-12 Power Connector for 7/8 Coax Cable – Sky High Supply
    Sky High Supply Company

    JMA UXP-NM-12 Connector

    $30.00
    $30.00

    JMA UXP-NM-12 Power Connector High-Performance Power Connector for Reliable Wireless Networks The JMA UXP-NM-12 connector is a high-performance RF power connector designed for exceptional durability and...
  • JMA UXP-NF-12 N Female connector for 1/2 inch corrugated coaxial cable LDF4 telecom RF connector
    JMA UXP-NF-12 N Female connector for 1/2 inch corrugated coaxial cable LDF4 telecom RF connector
    Sky High Supply Company

    JMA UXP-NF-12 N Female Connector for 1/2" Corrugated Cable (LDF4 / Equivalent)

    $30.00
    $30.00

    Bad connectors fail after you've already forgotten about them. That costs you time, money and even credibility. The JMA UXP-NF-12 N Female Connector is engineered for...
  • JMA UXP-4MT-12 4.3-10 Male Connector for 1/2" Annular Cable for sale from SkyHigh-Supply in Hillsborough, NJ
    JMA UXP-4MT-12 4.3-10 Male Connector for 1/2" Annular Cable for sale from SkyHigh-Supply in Hillsborough, NJ
    Sky High Supply Company

    JMA UXP-4MT-12 4.3-10 Male Connector for 1/2" Annular Cable - AT&T/Verizon/T-Mobile Approved

    $35.00
    $35.00

    The JMA UXP-4MT-12 is a precision-engineered 4.3-10 male RF connector designed for use with 1/2" annular cables. Built for high-performance in demanding telecom and wireless infrastructure...
  • JMA UXP-DM-12 Connector
    Sky High Supply Company

    JMA UXP-DM-12 Connector

    $36.00
    $36.00

    JMA UXP-DM-12 Connector – 1/2" Coax Cable Compatible The JMA UXP-DM-12 is a precision-engineered 1/2" male connector designed to deliver superior performance in wireless and telecom...
  • JMA UXP-4MT-12S Connector
    Sky High Supply Company

    JMA UXP-4MT-12S Connector

    $35.00
    $35.00

    JMA Wireless UXP-4MT-12S 4.3-10 Male Connector for 1/2" Superflexible Cable
  • JMA UXP-DM-12S ConnectorJMA UXP-DM-12S Connector
    JMA UXP-DM-12S Connector
    Sky High Supply Company

    JMA UXP-DM-12S Connector

    $30.00
    $30.00

    JMA UXP-DM-12S – 1/2" Straight Male Connector for Premium Coaxial Cables The JMA UXP-DM-12S is a rugged, straight 1/2" male connector engineered for precision and performance...
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