SOUTHERN MARYLNAD HEATING & AIR INC
UnclaimedSOUTHERN MARYLNAD HEATING & AIR INC is a USDOT-registered interstate carrier, 20 power units, 70 drivers operation based in Waldorf, MD.
Back to Maryland carriers
View all
Unclaimed
Unclaimed
Unclaimed
Unclaimed
Live public profile, unclaimed
KELLER BUS SERVICE
Interstate carrier in Waldorf, Maryland · Legal name: KELLER TRANSPORTATION INC
- Passengers
Awaiting owner claim
Claim this businessAbout KELLER BUS SERVICE
Keller Bus Service, USDOT 32700, is based in Waldorf, Maryland, and operates interstate passenger transport. The record lists 99 power units and 64 drivers. The carrier does not handle hazardous materials and was registered in 1974.
Send KELLER BUS SERVICE a message
Ask about availability, freight, or working together.
This profile is unclaimed. We’ll notify the company, but it must claim its profile before it can read or reply to your message.
Company overview
Awaiting owner confirmation- USDOT number
- 32700
- Operating authority
- MC119262
- Operation type
- Interstate
- Carrier classification
- PRIVATE PASSENGER, BUSINESS;PRIVATE PASSENGER, NON-BUSINESS;AUTHORIZED FOR HIRE
- Power units
- 102
- Buses
- 102
- Drivers
- 64
- CDL drivers
- 64
- Hazmat
- No
- Annual mileage reported
- 2,278,116 (2023)
- USDOT registered since
- 1974
- Safety rating
- Satisfactory
Built from public registration records.
Public record
Quick record snapshot
MCS-150No filing date
Safety ratingSatisfactory
AuthorityMC119262
Carrier registration and authority
Public carrier record fields that brokers, shippers and carriers commonly review before they look deeper.
Authority statusOn recordFMCSA authority record
Fleet size102 power unitsFMCSA registration
Safety ratingSMost carriers have no FMCSA safety rating on file
Insurance on fileNone on fileThe L&I file has no liability filing for this carrier
Insurance detailsPremiumAvailable with broker access
Authority historyPremiumAvailable with broker access
Detailed records with broker access
Everything below is included in one subscription and available on every carrier page and in your lookup dashboard.
Carrier risk scoreA 0 to 100 score from inspections, crashes, authority, insurance and safety rating, with the reasons listed.
Inspection historyRecent roadside inspections, each opening to the violations cited and any out-of-service orders.
Out-of-service ratesDriver and vehicle OOS rates set against the national averages.
Contact detailsRegistered phone, email and company officer from the FMCSA record, in your dashboard.
Full-record PDF and watchlistDownload the whole record as a timestamped PDF and save carriers to a watchlist.
Crash recordsRecent crashes with fatalities, injuries and tow-aways, from the federal crash file.
Insurance filingsLiability filings with insurer, policy, coverage, and effective and cancellation dates.
Authority historyGrants, revocations and reinstatements on the carrier's operating authority, with dates.
Change timelineChanges to name, address, authority and insurance, tracked as our FMCSA source data refreshes.
Shared registration detailsComing soon: other carriers that share an officer or address with this one.
Broker access is included in Premium membership. Monthly and annual plans available.
Record items to review
11 item in the public record needs review in the available source data.
Detailed broker review items are available with broker access.
Unlock this recordCompliance checklist
For owner reviewThese items are inferred from the public registration profile. Use them as a review checklist, then confirm live status with official FMCSA systems.
USDOT registration and MCS-150 biennial update
Check this company's MCS-150 deadline
Driver qualification files
DQ file services
Drug & Alcohol testing and FMCSA Clearinghouse
Clearinghouse services
Hours of service and ELD
ELD & HOS support
Vehicle maintenance files and annual inspections
Fleet safety and maintenance
Find DOT compliance providers serving carriers in Waldorf.
Request quotesExplore DOT compliance services in Maryland.
Is this your company?
Claim this page
Claim this page to manage how your company appears, respond to enquiries and add context to your public record.
Safety and inspection record
Summary of this carrier's public FMCSA roadside inspection and crash record.
256
Roadside inspections, 3 years
4
Crash records on file
Yes
Insurance filings on file
17 Sep 2026
Most recent inspection
Source: FMCSA public records, updated daily. Detailed inspection, crash and insurance records are available with broker access.
DOT compliance help in Maryland
Compare independent providers serving carriers in Maryland.
Request compliance helpCargo and services
Passengers
Other carriers in Waldorf, MD
NAOMI TRUCKING
UnclaimedNAOMI TRUCKING is a USDOT-registered interstate carrier, 23 power units, 23 drivers operation based in Waldorf, MD.
CHUTES INTERNATIONAL
UnclaimedCHUTES INTERNATIONAL is a USDOT-registered interstate carrier, 20 power units, 35 drivers operation based in Waldorf, MD.
WORLDWIDE MOVING SYSTEMS
UnclaimedWORLDWIDE MOVING SYSTEMS is a USDOT-registered interstate carrier, 20 power units, 21 drivers operation based in Waldorf, MD.
CARRUTH & SON INC
UnclaimedCARRUTH & SON INC is a USDOT-registered interstate carrier, 31 power units, 14 drivers operation based in Waldorf, MD.
NOBEL COURIER LLC
UnclaimedNOBEL COURIER LLC is a USDOT-registered interstate carrier, 12 power units, 15 drivers operation based in Waldorf, MD.
Recently added carriers
New USDOT registrations across the country.