NIGP 557: Mass Transportation, Transit Bus Accessories and Parts

Class

Code facts

Codes under it
37
Open opportunities
14 179 posted in the last 90 days

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

Notice Posted Due
Big Bus Parts - Misc Open · California · 260658
WWC- Steel Wheel Kit CUES Compatible Open · Florida · 27-P-00062
Big Bus Parts - Misc Closed · California · 260655
Overhead Door & Gate Maintenance, Service, and Repairs Open · California
WWC- Steel Wheel Kit CUES Compatible Open · Florida · 27-P-00056
LAMP ASSEMBLY, REAR TURN SIGNAL AMBER LED - ref 2101244 Closed · Texas
Big Bus Parts - Misc Closed · California · 260651
SWITCH, MANUAL ACTUATION - ref 2101242 Closed · Texas
PROP BATTERY DOOR - ref 2101238 Closed · Texas
WIRE HARNESS RADIATOR , FANS GEN 2 - ref 2101230 Closed · Texas
Bus Repair Time and Materials Open · Georgia
SWITCH, MANUAL ACTUATION - ref 2101194 Closed · Texas
REGULATOR SVR 4018 - ref 2101180 Closed · Texas
MUDGUARD, FRT CENTER - ref 2101179 Closed · Texas
Big Bus Parts - Misc Closed · California · 260649
MUDGUARD, FRT OUTER - ref 2101178 Closed · Texas
PANEL REAR BODY SS - ref 2101177 Closed · Texas
HINGE, ACCESS DOOR, WELDED, ACCESSORY - ref 2101176 Closed · Texas
GLASS WINDOW SLIDE FRONT - ref 2101175 Closed · Texas
LINKEO FLEX CONNECTOR EXHAUST STEEL - ref 2101166 Closed · Texas
LANYARD, DIPSTICK F/HYD, RESERVOIR - ref 2101159 Closed · Texas
Big Bus Parts - Misc Closed · California · 260648
ASSEMBLY, BATTERY ACCESS DOOR - ref 2101158 Closed · Texas
SLIDER ASSEMBLY, DRAWER LOCKOUT - ref 2101157 Closed · Texas
Big Bus Parts - Misc Closed · California · 260645
Big Bus Parts - Misc Closed · California · 260644
Signage for KSFB facilities Closed · Kentucky · RFB 758 2700000147 3
HARNESS, ENG, INTERFACE - NEW FLYER FLEET 43 - ref 2101137 Closed · Texas
Wayfinding Signage for Clear Creek Trail Closed · Colorado —
Sharp Park MTB Trail Project Closed · Michigan —
IWQ 139288 Purchase of 5, 000 Gallon Heavy-Duty Vertical Polyethylene Liquid Storage Tanks Closed · Georgia
Signage for KSFB facilities Closed · Kentucky · RFB 758 2700000147 2
ICE melt compound BPO | 2100577 Closed · Texas
Big Bus Parts - Misc Closed · California · 260642
Seating Upholstery Services for FLL Closed · Florida
2027-2028 Emergency Distribution, Transmission & Substation Restoration Open · Florida
Elementary Renovations - Signage Closed · Texas
Eastern Wharf Way Finding Signage - Event No. 12567 Closed · Georgia
Big Bus Parts - Misc Closed · California · 260636
RFP Notice - 20260097 -- Rear Facing ADA Securement - Parts and Labor Open · Oregon
New Boiler Installation - MC Blanchard Judicial Building Closed · Florida —
Big Bus Parts - Misc Closed · California · 260637
1/4 TUBE RIGID MALE BRASS SWIVEL ELBOW - ref 2101048 Closed · Texas
Belt, LAP restraint female end - REF 2101034 Closed · Texas
Hose, 141108/MP0800/FJ0800/52. 5 - REF 2101047 Closed · Texas
New Admin Building Bid Package 2 Closed · Michigan
Filter, polypropylene - REF 2101033 Closed · Texas
Automatic passenger counter (APC) system for concho valley transit district Open · Texas
Vehicle Glass Replacement and Repair Services Open · Michigan
Big Bus Parts - Misc Closed · California · 260634
Show 40 more

Latest 50 of 2,155 listed here. See the rest on GovTribe.

Opportunities by state

Rank State Open now Posted, last 90 days
1 Texas 2 86
2 California 2 44
3 Florida 6 25
4 Georgia 1 6
5 Michigan 1 3
6 Kentucky 0 3
7 Ohio 1 2
8 Colorado 0 2
9 Connecticut 0 2
10 Oregon 1 1
11 Missouri 0 1
12 Nevada 0 1
13 New Jersey 0 1
14 New Mexico 0 1
15 North Carolina 0 1
Show all 15

Codes under 557

NIGP code
55705 Air Conditioning, Heating and Ventilation
55710 Axles, Including Suspension, Springs, Shocks, Struts, etc.
55712 Bicycle Racks for Transit Buses
55715 Body Panels, Frames, Trim, and Parts
55720 Brake Parts/Linings
55722 Communications Equipment and Accessories, Transit Bus
55723 Cooling System Parts and Accessories
55725 Electrical Accessories and Parts (Not Lighting)
55730 Engines, Complete
55732 Exhaust System Parts and Accessories
55733 Engine Parts
55734 Filters: Air, Fuel, Oil, etc.
55735 Floors, Matting
55736 Fuel System Parts and Accessories
55737 Gauges and Meters (Including Speedometers)
55738 Hubodometers
55740 Glazing/Mirrors (Including Window, Door and Windshield Glass)
55744 Insulation, Transit Bus
55750 Lamps/Lighting, Lens, and Signals, Interior and Exterior
55752 Lubricating Systems and Parts (see 557-34 for Filters)
55753 Power and Drive Train Components and Parts (Transit Bus)
55754 Radiators, Heater Cores, etc.
55755 Reflectors
55756 Recycled Transit Bus Accessories and Parts
55760 Seating and Upholstery
55762 Signage, Advertising Type (Interior and Exterior)
55763 Signage, Destination/Route
55764 Stanchions and Grab Rails
55765 Steering Components and Parts
55770 Tanks: Air, Fuel, Water
55775 Transmissions, Complete
55778 Transmission Parts
55780 Undercarriage/Frame (Including Alignment Parts)
55785 Wheels, Parts, and Accessories
55790 Wheelchair Lifts and Accessories
55792 Windows and Doors Including Parts and Accessories
55793 Windshield Wipers, Washers, Parts and Accessories
Show all 37

About NIGP 557

NIGP 557 Mass Transportation, Transit Bus Accessories and Parts, Class code, encompasses OEM and aftermarket components for fleet maintenance and operational reliability across transit agencies. State and local governments procure this code to support routine and emergency repair of bus fleets, with the majority of recent activity focused on miscellaneous replacement parts, specialized components such as air-conditioning and heating systems, battery servicing, headsign electronics, and retrofit kits for school buses. The Orange County Transportation Authority dominates the recent opportunity stream with dozens of miscellaneous big bus parts solicitations issued on compressed timelines (often same-day posting and due dates), reflecting ongoing inventory replenishment and opportunistic procurement. Award is made to the lowest responsive, responsible bidder with available inventory; OCTA routinely splits awards among multiple vendors based on overall benefit, with warranty terms as a stated evaluation factor. Bidders must be original equipment manufacturers, authorized dealers, approved resellers, or OEM-authorized agents, and brand-name substitutes require pre-approval through OCTA's approved-equal process with fully supported technical documentation at no cost to the authority. All freight and delivery costs must be included in bid pricing, and bidders must provide both their own and pass-through genuine manufacturer warranties, bearing full responsibility for both categories.

Transit authorities in California, Florida, North Carolina, and other states account for the recent activity, with Palm Beach County issuing an RPQ for mass transit bus parts on a pre-qualified vendor model and Broward County Transit soliciting an open-end battery-maintenance contract for a 415-bus fleet with FTA compliance requirements. School districts and regional transit operators add to the mix: Rockwood School District (Missouri) sought school bus A/C retrofit kits; Bibb County Schools (Georgia) bid charter bus services districtwide; Sarasota County Transit solicited paratransit vehicle inspection and Buy America audit services; Santa Monica Department of Transportation requested electronic bus headsign parts; and NEORide, a regional council representing 45 transit agencies across 13 states, issued an RFP for a mobility platform and turnkey microtransit and paratransit services with proposals due November 20, 2026. Geographic distribution spans California (OCTA, Santa Monica), Florida (Orange County, Palm Beach, Broward, Sarasota), North Carolina (Charlotte Area Transit System), Georgia, Missouri, Texas, Kentucky, and multi-state cooperative arrangements. The code remains active for parts vendors with OEM relationships and established distribution channels seeking predictable, volume-based maintenance opportunities in the transit sector.

Quick answers

What is NIGP 557?

NIGP 557 is Mass Transportation, Transit Bus Accessories and Parts, a class in NIGP 29, Transit Equipment and Related Services, Mass.

What codes are under NIGP 557?

NIGP 557 has 37 codes under it with their own GovTribe pages, including 55705 Air Conditioning, Heating and Ventilation; 55710 Axles, Including Suspension, Springs, Shocks, Struts, etc.; and 55712 Bicycle Racks for Transit Buses.

Which states post the most state and local bids under NIGP 557?

The states with the most state and local contract opportunities under NIGP 557 posted in the last 90 days are Texas (86), California (44) and Florida (25).

What is the latest state & local contract opportunity under NIGP 557?

The latest state & local contract opportunity under NIGP 557 is Big Bus Parts - Misc from California, posted November 9, 2026.

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See everything under NIGP 557

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