Business Details
48 Years
experience
Emergency
services
Engineering & Consulting Services for Public & Private Sector Clients
Sigma Associates delivers innovative, quality engineering solutions through a multi-disciplinary approach. Founded in 1978, we provide engineering, program management, construction management, and IT services for public agencies and private clients across the United States. Our team of professional engineers, construction managers, and technical specialists collaborates with stakeholders to address complex challenges from project concept through maintenance. With over 40 years of experience, we have successfully completed 600+ projects valued at $1.6 billion, emphasizing client satisfaction through high-quality service and strategic partnerships. Our Midwest and Mid-Atlantic offices enable rapid mobilization to serve clients nationwide.We prioritize integrity, innovation, and excellence in every project phase, from planning and design to long-term maintenance. Our expertise spans water/wastewater systems, transportation infrastructure, energy projects, and government contracts. We maintain a diverse workforce capable of handling large-scale initiatives while offering tailored staffing solutions. Our commitment to exceeding quality standards has fostered repeat clientele and industry recognition. Through customized training programs and advanced technologies like GIS and SCADA systems, we enhance infrastructure reliability and performance.
Services
Engineering Services
Program Management
Architectural Support
Green Technologies
Staff Augmentation
Information Technology
Asset Management
GIS Consulting
Training Programs
Details
- Year established: 1978
Highlights and features
- We have completed 600+ projects valued at $1.6 billion since 1978
- Our multi-disciplinary team handles complex infrastructure projects nationwide
- We maintain a client-focused approach with on-call maintenance support
- Our workforce includes certified engineers and technical specialists
- We offer tailored staffing solutions and advanced technology integration
Services
Engineering Services
Our engineering team provides comprehensive planning, design, and construction administration for infrastructure projects. We specialize in electrical, mechanical, civil, and structural engineering for water/wastewater systems, transportation networks, and energy facilities. Our services include permit compliance, bidding assistance, and long-term maintenance planning to ensure system reliability.
Program Management
We deliver end-to-end program management for complex infrastructure initiatives. Our experts oversee strategic planning, budget control, and technical execution across multiple project phases. With experience managing $1.6 billion in construction projects, we ensure timely delivery while maintaining quality standards and regulatory compliance for government and private sector clients.
Green Technologies
Our sustainable design solutions focus on low-impact infrastructure development and environmental stewardship. We implement green technologies for water management systems, energy-efficient facilities, and eco-friendly site development. These solutions help clients meet regulatory requirements while reducing environmental impact through innovative, code-compliant engineering practices.
Staff Augmentation
We provide highly qualified engineering and technical personnel for temporary or long-term project needs. Our vetted professionals include engineers, inspectors, and IT specialists with expertise in infrastructure projects. This service offers flexibility for clients requiring specialized skills without expanding their permanent workforce.
GIS Consulting
Our geographic information systems (GIS) consulting supports infrastructure planning and asset management. We create detailed spatial data solutions for water distribution networks, transportation systems, and land development projects. These mapping tools enhance decision-making through visual analysis of infrastructure relationships and environmental factors.
Questions
What engineering services does Sigma Associates offer?
We provide electrical, mechanical, civil, and structural engineering services for infrastructure projects including water/wastewater systems, transportation networks, and energy facilities.
How long has Sigma Associates been in business?
Sigma Associates has delivered engineering solutions since 1978, with over 40 years of experience managing infrastructure projects nationwide.
What types of clients do you work with?
We serve public agencies, government entities, and private sector clients including water utilities, transportation departments, energy companies, and commercial institutions.
Do you handle large-scale infrastructure projects?
Yes, we've completed 600+ projects valued at $1.6 billion, including major water treatment plants, transportation systems, and energy infrastructure developments.