Yei Engineers
- Company typePrivate
- Founded1978
- HeadquartersOakland, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
Yei Engineers firmographics
Firmographics- Name
- Yei Engineers
- Legal name
- YEI Engineers Inc.
- Website
- https://yeiengineers.com
- Company type
- Private
- Founded year
- 1978
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Ownership category
- akta.pro rank
Yei Engineers industry classification
Industry- Product category
- Engineering Services
- NAICS
- Engineering Services (54133), Engineering Services (541330)
- SIC
- Services-Engineering, Accounting, Research, Management (8700)
- akta.pro primary industry
- MEP (Mechanical, Electrical & Plumbing) Engineering Consulting (BPAHAIAE)
Keywords
Where Yei Engineers is headquartered
LocationHeadquarters
- HQ city
- Oakland
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
Yei Engineers business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales
Revenue model
- Engineering Design Services: Professional engineering consulting services for infrastructure projects including electrical, mechanical, plumbing, and fire protection design. Revenue generated through project-based engagements with government agencies, transit authorities, and institutional clients.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels1 record
Yei Engineers product offering
Product offeringCore offering
Yei Engineers provides multi-discipline MEP (Mechanical, Electrical, Plumbing) engineering design and consulting services for infrastructure projects across transit, aviation, ports and marine, government, commercial, and utility markets. Core offerings include electrical engineering (medium/high voltage, lighting, UPS, solar PV), mechanical engineering (HVAC, fire protection, boilers, chillers), plumbing engineering (medical gases, greywater conservation), sustainability services (LEED certification, energy modeling), and fire protection/alarm system design.
Product overview
Yei Engineers is a traditional engineering firm providing multidisciplinary engineering services rather than a technology platform or software product. The company offers a comprehensive portfolio of engineering services including Electrical, Mechanical, Plumbing, Sustainability, Fire Protection, and Fire Alarm engineering. These services are provided across diverse markets including Transportation (Aviation, Ports and Marine, Transit), Corporate and Commercial, Laboratories, Education and Cultural, Energy and Utility, and Government and Institution sectors. The services are delivered as professional consulting engineering rather than as a product or software platform.
Differentiator
Problem solved
Functional benefit
Products and services
- Electrical Engineering Services
- Mechanical Engineering Services
- Plumbing Engineering Services
- Sustainability Services
- Fire Protection Services
- Fire Alarm Services
Companies that use Yei Engineers
Customer profileNamed customers12 records
Segments7 records
Ideal customer profiles4 records
Yei Engineers technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Yei Engineers partnerships and signals
Strategic signalScale indicators2 records
Recent moves5 records
Expansion highlights4 records
Yei Engineers competitors and assessment
Company assessmentBroad incumbents
- AECOM: Global engineering and infrastructure services giant offering full-spectrum transportation, ports, aviation, and MEP design; competes with YEI on large California infrastructure pursuits as a broad incumbent rather than pure MEP specialist.
- Stantec: Global engineering, architecture, and environmental services firm with substantial California operations serving transit, water, government, and aviation clients.
- Tetra Tech: Engineering and consulting services firm with water, energy, environment, and infrastructure practices; competes for California public-sector engineering work with much broader scope.
- WSP USA: Large global engineering consultancy with significant California transit, aviation, and facilities practice; a broad incumbent against which YEI competes on California public infrastructure projects.
- T.Y. Lin International: Civil and infrastructure engineering firm with strong California transit, bridge, and rail practice; an adjacent peer sharing YEI's government-infrastructure customer base.
Direct peers
- Interface Engineering: MEP and sustainable design firm with strong transit, aviation, and government practice on the U.S. West Coast; directly competitive with YEI for Bay Area and Pacific infrastructure work.
- Affiliated Engineers: MEP firm with deep life-sciences, university, and mission-critical practice; comparable multi-discipline services, project-based consulting model, and DBE-eligible competitor dynamic.
- Syska Hennessy Group: MEP and technology systems design firm serving transit, aviation, government, and mission-critical clients; competes head-to-head with YEI for the same California infrastructure and airport projects.
- IMEG Corp: National MEP and structural engineering consulting firm serving commercial, government, healthcare, and institutional clients; directly comparable to YEI in core electrical, mechanical, and plumbing design services and project-based delivery model.
- ME Engineers: Specialty MEP engineering consultancy focused on aviation, transit, sports, and cultural facilities; closely mirrors YEI's vertical strategy and design-build delivery approach.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat3 records
Key risks5 records
Key highlights5 records
Customer concentration
Yei Engineers social profiles
Digital presenceYei Engineers compliance and trust
Trust signalCompliance3 records
Yei Engineers financial estimates
Financial estimateRevenue estimate
Valuation estimate
Yei Engineers leadership team
Management profileNumber of profiles
Profiles6 records
Yei Engineers funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Yei Engineers M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Yei Engineers
What does Yei Engineers do?
Yei Engineers provides multi-discipline MEP (Mechanical, Electrical, Plumbing) engineering design and consulting services for infrastructure projects across transit, aviation, ports and marine, government, commercial, and utility markets. Core offerings include electrical engineering (medium/high voltage, lighting, UPS, solar PV), mechanical engineering (HVAC, fire protection, boilers, chillers), plumbing engineering (medical gases, greywater conservation), sustainability services (LEED certification, energy modeling), and fire protection/alarm system design.
Is Yei Engineers a public or private company?
Yei Engineers is a private company. It is classified as management employee owned and is currently operating.
When was Yei Engineers founded?
Yei Engineers was founded in 1978. It employs 11 to 50 people.
Where is Yei Engineers based?
Yei Engineers is headquartered in Oakland, United States, in the North America region.
How does Yei Engineers make money?
One revenue line is on record: engineering Design Services.
Who are Yei Engineers's main competitors?
Broad incumbents on record are AECOM, Stantec, Tetra Tech, WSP USA and T.Y. Lin International. Direct peers are Interface Engineering, Affiliated Engineers, Syska Hennessy Group, IMEG Corp and ME Engineers.
Does Yei Engineers have an API?
No public API is recorded for Yei Engineers.
What industry is Yei Engineers in?
Yei Engineers's product category is Engineering Services. Its primary akta.pro industry code is BPAHAIAE, MEP (Mechanical, Electrical & Plumbing) Engineering Consulting. Its NAICS code is 54133 and its SIC code is 8700.