
PLACE HOLDER
3Tier is DOT (multiple states) certified Disadvantaged Business Enterprise (DBE) as well as Small and Minority certified in certain jurisdictions. As an engineering design firm, we fall under the Architectural and Engineering Services.
S/M/DBE AES Firm
3Tier is a full service Mechanical, Electrical, Plumbing, and Process (MEPP) Engineering and Consulting firm and Civil Engineering experience with COA firm licenses in several states including NC† and FL. Tailored MEPP systems designed or engineered as the Engineer of Record, sub consultants, or can assist as third party QA/QC reviewers for Federal, State, Municipal, Industrial, and commercial clients.
In addition to helping meet minority participation goals, 3Tier’s personnel has experiences in several specialized codes/standards, such as NFPA 502 – Standard for Road Tunnels, Bridges, and Other Limited Access Highways, NFPA 820 – Standard for Fire Protection in Wastewater Treatment and Collection Facilities and 10 States Standards and ASME NQA-1 – Nuclear Quality Assurance Certification.
3Tier’s Federal Identifiers
- UEI – R6LLZ4FJNYT7
- DUNS (deprecated) – 117002102
- Cage Code – 8FP50
3Tier’s Classification System Codes
NAICS Codes
- 541330
- 541340
- 541420
- 221310
- 221320
- 221330
NAICS Codes
- 541330
- 541340
- 541420
- 221310
- 221320
- 221330
Description
- Eng. Services Prof.
- CAD/Drafting Services
- Industrial Design Services
- Water Treatment Plants or Facilities
- Sewage Treatment Plants or Facilities
- HVAC Eng.
