PSC Z2LB: Repair Or Alteration of Highways/Roads/Streets/Bridges/Railways
Z2LB is the product and service code (PSC) federal agencies use for repair or alteration of highways/roads/streets/bridges/railways, in the maint, alter, repair nonbuildings group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.
- Open contracts now
- 7
Open contracts with PSC Z2LB, due soonest
- GAOA Kents Lk. CG Reconstruction, Fishlake NF, Utah
✦ The USDA Forest Service (Beaver Ranger District, Fishlake National Forest) wants a contractor to rebuild Kents Lake Campground near Beaver, Utah, under the Great American…
Due in 6 daysOct 15, 2026
- St. Marks NWR Aucilla Tram Road Bridge DB
✦ The U.S. Fish and Wildlife Service wants a small business to design and build changes to the Aucilla Tram Road Bridge and its water control structure at St.
Due in 6 daysOct 16, 2026
- CO-ROCKY MTN ARSNL NWR-PATCH HILL ROAD
✦ The U.S. Fish and Wildlife Service wants a contractor to patch about 338 square yards of asphalt and put a reverse (inverted) capeseal on all 0.75 miles of Rattlesnake Hill Road…
Due in 14 daysOct 23, 2026
- WWYK100209-Repair Perimeter Dr and Industrial Blvd
✦ The Air Force is seeking a contractor to repair Perimeter Drive and Industrial Blvd at Tinker AFB, Oklahoma.
Due in 20 daysOct 30, 2026
- YELL 338223 - Bridge Preservation
✦ The National Park Service (Denver Service Center) wants one prime contractor to preserve three small bridges in Yellowstone National Park, Wyoming: Lava Creek, Thumb Creek and an…
Due in 20 daysOct 30, 2026
- YELL 338223 - Bridge Preservation
✦ The National Park Service (Denver Service Center) wants a contractor to preserve three bridges in Yellowstone National Park, Wyoming: Lava Creek, Thumb Creek and Unnamed Creek.
Due in 20 daysOct 30, 2026
Where Z2LB sits in the PSC Manual
- Category: Service
- Group Z: Maint, Repair, Alter Real Property
- Group Z2: Maint, Alter, Repair Nonbuildings
- Code Z2LB: Repair Or Alteration of Highways/Roads/Streets/Bridges/Railways
NAICS codes used with PSC Z2LB
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Z2LB most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 237310 | Highway, Street, and Bridge Construction | On 5 open |
| 236220 | Commercial and Institutional Building Construction | On 1 open |
| 237990 | Other Heavy and Civil Engineering Construction | On 1 open |
On open notices right now, the most Z2LB work comes from Department of the Interior, Department of Agriculture and Dept of Defense.
Related PSC codes
- Z211 Maint – Rep – Alt/Dams
- Z212 Maint – Rep – Alt/Canals
- Z213 Maint – Rep – Alt/Mine Fire Cont
- Z214 Maint – Rep – Alt/Mine Subsidence Cont
- Z215 Maint – Rep – Alt/Surface Mine Reclam
- Z216 Maint – Rep – Alt/Dredging
- Z217 Dredging, Incl. Dustpan and Sea – Going Hoppers
- Z219 Maint – Rep – Alt/Other Consv Structure
- Z221 Maint – Rep – Alt/Airport Service Roads
- Z222 Maint – Rep – Alt/Hwys – RDS – STS – BRDGS – Ra
Frequently asked questions
What is PSC Z2LB?
Z2LB is the service code in the federal Product and Service Code (PSC) Manual for repair or alteration of highways/roads/streets/bridges/railways, under Z (Maint, Repair, Alter Real Property) and Z2 (Maint, Alter, Repair Nonbuildings). Agencies put a PSC on every contract to record what they bought.
What is the difference between a PSC and a NAICS code?
A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.
Which NAICS code goes with PSC Z2LB?
Most federal contract dollars under PSC Z2LB go with NAICS 237310 (Highway, Street, and Bridge Construction), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.
How do I find contracts that use PSC Z2LB?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 7 open notices use PSC Z2LB right now. FedReady can match new ones to your business and email you, free.