NIGP 28542: Insulation Materials and Insulators: Compounds, Varnish, etc.
Item
Code facts
NIGP codes come from the NIGP Code (NIGP: The Institute for Public Procurement, maintained by Periscope Holdings), and state and local contract opportunities from the governments' procurement sites.
State & local contract opportunities
Opportunities by state
| Rank | State | Open now | Posted, last 90 days |
|---|---|---|---|
| 1 | California | 1 | 1 |
UNSPSC codes for 28542
About NIGP 28542
NIGP 28542 Insulation Materials And Insulators: Compounds, Varnish, Etc., an Item code, covers electrical insulation products and related compounds that state and local governments procure as components within larger electrical system repairs, equipment maintenance, and distribution infrastructure projects. Recent solicitations show governments purchasing insulators, heat shrink tubing, connectors, and related electrical components alongside broader equipment acquisitions rather than as standalone commodity buys, with insulators appearing as line items within electrical parts and connector packages for operational maintenance and infrastructure expansion.
The issuing bodies span school districts, county sheriffs, cooperative purchasing vehicles, municipal transit authorities, and rural electric cooperatives. Northside Independent School District in San Antonio, Texas issued IFB 2026098 on June 8, 2026 for electrical equipment, parts, supplies, and repairs with a July 1, 2026 response date, replacing an expiring contract. The County of Orange Sheriff-Coroner Department in California posted IFB 0603029702SC in May 2026 for 144 line items of electrical connectors and components including heat shrink tubing and miscellaneous parts needed for radio and audio/video equipment upkeep, with a three-year initial term renewable for two additional one-year periods. Sourcewell, a Minnesota cooperative purchasing entity, issued RFP 061626 on May 12, 2026 for law enforcement equipment available to thousands of government agencies across multiple states, with a June 16, 2026 deadline. Florida Keys Electric Cooperative posted a call for quotes in April 2026 for materials for a new electric distribution feeder including insulators and electrical components. Activity appears concentrated in Texas, California, Florida, and Minnesota, with broader multistate reach through cooperative purchasing vehicles.
Quick answers
What is NIGP 28542?
NIGP 28542 is Insulation Materials and Insulators: Compounds, Varnish, etc., an item in NIGP 28, The Trades: Electrical, Engineering, HVAC, Plumbing, and Welding.
Which states post the most state and local bids under NIGP 28542?
The states with the most state and local contract opportunities under NIGP 28542 posted in the last 90 days are California (1).
Which UNSPSC codes match NIGP 28542?
NIGP 28542 maps to 3 UNSPSC codes, 39121337 Electrical sealing solvent or cement, 39121721 Electrical insulators and 39131608 Duct sealing system.
What is the latest state & local contract opportunity under NIGP 28542?
The latest state & local contract opportunity under NIGP 28542 is RFP for Parrot Garden Electrical Subpanel Upgrade Work from California, posted September 10, 2026.
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