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Certifications and Required Forms

The Maryland Department of Transportation is the State's official certification agency for firms seeking  status as a:

  • Minority Business Enterprise (MBE)
  • Disadvantaged Business Enterprise (DBE)
  • Airport Concessions Disadvantaged Business Enterprise (ACDBE)
  • Small Business Enterprise (SBE)


  1. Application – Applicant submits a complete application and all required supporting documentation.  All applications can be submitted online.
  2. Investigation – An investigator reviews documentation submitted by applicant, conducts an on-site/job-site visit and prepares an investigative report.
  3. Evaluation – MBE Advisory Committee (MBEAC) reviews the investigative report to evaluate whether the applicant firm meets the MBE/DBE/ACDBE program requirement
  4. Determination – MBEAC Chair issues a written determination.

Annual Review
MDOT certified firms must provide, every year on the anniversary of the date of your firm's certification, the MDOT no change affidavit and supporting documents. 

SBE Only Certification 
The Small Business Enterprise Certification is a race and gender neutral program. Certified DBEs will automatically be certified as SBEs, but all other firms must apply for SBE certification. 

MBE/DBE/ACDBE Certification
OMBE highly recommends applicants complete the Uniform Certification Application for firms seeking both MBE and DBE certification.  OMBE will use this single application to evaluate candidates for eligibility in both programs simultaneously. Applicants can also elect to be evaluated for ACDBE certification in addition to the MBE and DBE Certifications.

MBE Only Certification
MBE-certified firms can fulfill the minority participation goals established on State-funded contracts.  

DBE Only Certification
DBE-certified firms can fulfill the disadvantaged business participation goals on contracts issued by the U.S. Department of Transportation (USDOT).

ACDBE Only Certification
ACDBE-certified firms can fulfill the disadvantaged business participation goals on concessionaire contracts administered through the MDOT Maryland Aviation Administration (MAA).  

DBE Interstate Certification
Interstate Certification is available to DBE firms that are already certified by their home state.

Expansion of Services Request
MDOT certified firms that add new products or services may expand existing NAICS codes by requesting an Expansion of Services.

Important Notice to Out-of-State Firms

Firms headquartered outside of Maryland must be certified by a governmental agency in your home state before applying for certification in Maryland. Out-of-State firms may also need to meet other requirements in order to do business in Maryland, such as being registered and in good standing with the Maryland Department of Assessments and Taxation.

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