NIGP 28537: Generators, Portable, Engine Driven (Including Fog and Mist Types)
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
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Opportunities by state
| Rank | State | Open now | Posted, last 90 days |
|---|---|---|---|
| 1 | Florida | 0 | 2 |
| 2 | Georgia | 0 | 2 |
| 3 | Michigan | 0 | 2 |
| 4 | Arizona | 1 | 1 |
| 5 | California | 0 | 1 |
| 6 | District of Columbia | 0 | 1 |
| 7 | Mississippi | 0 | 1 |
| 8 | Texas | 0 | 1 |
| 9 | Wisconsin | 0 | 1 |
UNSPSC codes for 28537
About NIGP 28537
NIGP 28537 Generators, Portable, Engine Driven (Including Fog And Mist Types), an Item code, covers portable diesel and gas-powered generator units that state and local governments deploy for emergency backup power, temporary site operations, and specialized applications at water treatment plants, detention facilities, lift stations, and landfills. Recent solicitations show mixed demand: some jurisdictions procure complete portable units for standby duty or rental arrangements, others specify stationary generators incorrectly coded here, and a few seek portable odor-control misting systems using gasoline engines. Water and wastewater utilities dominate the actual buying activity, along with county emergency management and municipal water departments; several jurisdictions have issued multiple bids within the past quarter, signaling either urgent replacement cycles or planned capital refreshes.
State and county agencies across Texas, Georgia, and Florida drive recent activity, with standout repeat buyers including the City of Temple (Texas), Cobb County (Georgia), White County (Georgia), and Collier County (Florida). Representative opportunities include the North Texas Municipal Water District requesting two Lincoln Frontier 400X diesel-driven welder/generators (ITB 26163B, due July 29, 2026), the City of Temple soliciting mobile diesel generators with 850-gallon or larger fuel capacity for its Water Treatment Plant under EPA grant funding (ITB BID550226, due August 5, 2026), West Travis County Public Utility Agency requesting five Cummins-powered stationary and mobile 125 kW units for lift stations (sealed bid due July 10, 2026), and Macon Water Authority seeking installation of a generator fueling system replacement at the Amerson Water Treatment Plant requiring 51 percent self-performance by the general contractor (sealed bid due August 11, 2026, with mandatory pre-bid July 28). The code also captures portable misting-system procurement—the County of Orange, California seeking one trailer-mounted odor-control unit with gasoline-powered pump (IFB IFB2993046601JDW, due April 23, 2026)—and cooperative purchasing vehicles such as Sourcewell's electrical power generation equipment procurement (South Dakota RFP 26RFP062326, due June 23, 2026).
Quick answers
What is NIGP 28537?
NIGP 28537 is Generators, Portable, Engine Driven (Including Fog and Mist Types), an item in NIGP 28, The Trades: Electrical, Engineering, HVAC, Plumbing, and Welding.
Which states post the most state and local bids under NIGP 28537?
The states with the most state and local contract opportunities under NIGP 28537 posted in the last 90 days are Florida (2), Georgia (2) and Michigan (2).
Which UNSPSC codes match NIGP 28537?
NIGP 28537 maps to 4 UNSPSC codes, including 21101805 Fog or mist generators, 23271709 Welding generator and 26111614 Piezo-electric generator.
What is the latest state & local contract opportunity under NIGP 28537?
The latest state & local contract opportunity under NIGP 28537 is Emergency Power Supply Systems [Industrial Generators and Automatic Transfer Switch] Preventative Maintenance, Testing and Repair Services from Arizona, posted October 2, 2026.
On GovTribe
See everything under NIGP 28537
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