Certified Contracting Excellence

Comprehensive Roofing & Electrical Solutions for Government, Commercial & Residential Projects

SBA 8(a), WOSB, EDWOSB & HubZone certified contractor serving Maryland, Virginia, D.C., and Baltimore with sustainable construction practices and proven expertise at facilities including NIST, The White House, and federal installations.

SBA 8(a) Certified
Small Disadvantaged Business
WOSB/EDWOSB
Women-Owned Small Business
HubZone Certified
Historically Underutilized Business
Government Ready
White House & NIST Experience

Comprehensive Construction Solutions

Certified expertise in roofing systems, electrical services, and sustainable construction practices

Complete Roofing Systems

All Major Systems Certified

Comprehensive roofing solutions including single-ply membranes, built-up systems, metal roofing, coatings, and specialty applications. Certified in all major systems used in the Mid-Atlantic region.

  • EPDM, TPO & PVC Systems
  • Built-Up & Modified Bitumen
  • Metal & Steep Slope Solutions
  • Spray Foam & Coating Systems

Professional Electrical Services

Government & Commercial Expertise

Trusted electrical contractor with proven performance at The White House, NIST, and federal facilities. Complete electrical solutions from residential to large-scale commercial and government projects.

  • Government & Commercial Projects
  • Residential Electrical Services
  • Solar & Renewable Energy (1-4 MW)
  • Industrial Control Systems

Sustainable Construction

Environmental Responsibility

Committed to environmental stewardship with measurable sustainability goals, including 20% greenhouse gas reduction by 2029 and energy-efficient construction practices.

  • Energy-Efficient Technologies
  • Sustainable Material Sourcing
  • Waste Management Programs
  • Annual Environmental Reporting

Sunsetter Products

Outdoor Living Solutions

Authorized dealer and professional installer of Sunsetter awnings and outdoor living products to enhance your outdoor spaces with weather protection and style.

General Contracting

Complete Project Management

Full-service general contracting with project management from concept to completion. Design/build capabilities, upgrades, replacements, and comprehensive repair services.

Certified Excellence in Construction

Doliveira Systems LLC is a certified general contractor with comprehensive expertise in roofing and electrical systems. Our certifications and proven track record with government and commercial clients demonstrate our commitment to excellence and reliability.

Building trust through quality, safety, and environmental responsibility.

SBA 8(a) Certified

Small Disadvantaged Business certification providing access to federal contracting opportunities and demonstrating our commitment to diversity in construction.

WOSB/EDWOSB

Women-Owned Small Business and Economically Disadvantaged Women-Owned Small Business certifications supporting diversity in federal contracting.

HubZone Certified

Historically Underutilized Business Zone certification supporting economic development in underutilized areas and providing contracting preferences.

PAUCP Certified

Pennsylvania Unified Certification Program certification ensuring compliance with state and local contracting requirements and standards.

Environmental Stewardship Commitment

We are committed to reducing our environmental impact through measurable sustainability goals and responsible construction practices.

20%
Emissions Reduction
Absolute greenhouse gas reduction target by 2029
10%
Intensity Target
Emissions per square foot reduction goal
2024
Baseline Year
Comprehensive measurement foundation

Proven Experience & Trusted Partnerships

Serving government, commercial, and residential clients across the Mid-Atlantic region

The White House

Trusted electrical contractor providing professional services at the highest levels of government with strict security and quality requirements.

NIST

Professional electrical services at the National Institute of Standards & Technology, demonstrating our capability with precision and technical excellence.

Federal Facilities

Extensive experience with Secret Service, GSA, DISA, and other federal installations requiring highest levels of security clearance and quality.

Service Areas

Maryland

Comprehensive construction services throughout Maryland

Virginia

Full-service contracting across Virginia

Washington D.C.

Government and commercial projects

Baltimore

Urban and suburban construction services

Ready to Start Your Project?

Experience the difference of working with a certified contractor committed to quality, safety, and environmental responsibility.