MAY CONSTRUCTION INC
AUTHORIZEDUSDOT
1256411
MC Number
N/A
Fleet Size
21
Total Drivers
20
Last updated: March 16, 2026
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Safety overview
MAY CONSTRUCTION INC is a mid-size interstate motor carrier based in MADISON, South Dakota, operating 21 power units with 20 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 100.0% runs above the national average of 5.51%. No crashes on file. FMCSA records show 1 inspection for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in South Dakota is 7.6% and the average vehicle OOS rate is 29.8% across 6,099 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
1
Total
50%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
0
Total Crashes
Similar carriers in South Dakota
Other carriers in the same state with a similar fleet size.
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ANCO CONSTRUCTION LLC
Frequently asked questions
Is MAY CONSTRUCTION INC authorized to operate?
Yes. MAY CONSTRUCTION INC (USDOT #1256411) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is MAY CONSTRUCTION INC's safety record?
MAY CONSTRUCTION INC has 1 inspection on file and no crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does MAY CONSTRUCTION INC operate?
MAY CONSTRUCTION INC operates 21 power units with 20 drivers on file. That puts them in the mid-size range.
Does MAY CONSTRUCTION INC transport hazardous materials?
No. MAY CONSTRUCTION INC does not have a hazardous materials flag in the FMCSA database.
Where is MAY CONSTRUCTION INC located?
MAY CONSTRUCTION INC is based in MADISON, South Dakota at 23484 455TH AVE, 57042. Phone: (605) 530-1002.
What are MAY CONSTRUCTION INC's out-of-service rates?
MAY CONSTRUCTION INC's driver out-of-service rate is 100.0%, compared to the national average of 5.51%. Higher than average, which could point to driver compliance issues. Their vehicle out-of-service rate is 100.0% (national average: 20.72%). Above average, which may point to vehicle maintenance gaps.