About Us

Established in 1946, we are a thriving corporation with 11 offices and projects in 48 states.  In 2019, we were ranked 187 out of the Top 500 Design Firms in the USA by Engineering News-Record .

Our staff consists of bright, talented professionals —… Learn More


Awards and Recognition Demonstrate Leadership in Evolution and Application of Innovative Technology
Our designs have gained local and national acclaim, and our firm has consistently been included in Engineering News-Record’s annual list of the “Top 500 … Learn More


Events, Presentations and Booth Exhibits

Our staff is active professionally. We attend conferences to expand our knowledge and remain on the forefront of technology and solutions, and to also share our knowledge and experiences through presentations… Learn More


“The primary goal for our firm is to do everything we can to help our clients succeed. For our staff, this goal creates a challenging and rewarding environment and greater understanding of the professional service aspect of engineering. We are v… Learn More


Our Staff Consists of Bright, Talented Professionals — Individuals with Diverse Backgrounds, Extensive Training, Specialties, and In-Depth Project Experience.

Our Corporate Mission states that we are dedicated to helping our clients succeed through e… Learn More

How to Apply

As a vibrant organization, we continually accept resumes from individuals with an enthusiasm for careers in civil, environmental, structural, electrical, transportation, and mechanical engineering. You may send your information by mail or email. Please… Learn More

Contact Us

We invest the time and energy to thoroughly understand each project for its functional, economical, political and environmental impact.

Our Corporate Mission states that we are dedicated to helping our clients succeed through excellence in engineering…. Learn More

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Corporate Headquarters

Madison, Wisconsin

910 West Wingra Drive
Madison, WI 53715

Phone: 608.251.4843
Fax: 608.251.8655
More Info


Phoenix, Arizona

5029 East Sunrise Drive, Suite 100
Phoenix, AZ 85044… Learn More

Brenham, Texas

Brenham, Texas

1906 Niebuhr Street
Brenham, TX 77833

Phone: 979.836.7937

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Cincinnati, Ohio

Cincinnati, Ohio

615 Elsinore Place, Suite 320
Cincinnati, OH 45202

Phone: 513.861.5600

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Columbus, Indiana

Columbus, Indiana

629 Washington Street
Columbus, IN, 47201

Phone: 812.372.9911

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Columbus, Ohio

Columbus, Ohio

425 W. Nationwide Boulevard, Suite 100
Columbus, OH 43215

Phone: 614.835.0460

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Indianapolis, Indiana

Indianapolis, Indiana

450 East 96th Street, Suite 500
Indianapolis, IN 46240

Phone: 317.423.0935
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Joliet, Illinois

Joliet, Illinois

1170 South Houbolt Road
Joliet, IL 60431

Phone: 815.744.4200
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Lexington, Kentucky

Lexington, Kentucky
651 Perimeter Drive, Suite 220
Lexington, KY 40517

Phone: 859.225.8500

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Louisville, Kentucky

Louisville, Kentucky
325 West Main Street, Suite 710
Louisville, KY 40202

Phone: 502.583.7020

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Madison, Wisconsin

Corporate Headquarters

910 West Wingra Drive
Madison, WI 53715

Phone: 608.251.4843

President and CEO : Matthew Richards, P.E.
Chairman: Theodore Richards, P.E.

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Milwaukee, Wisconsin

Milwaukee, Wisconsin

126 N. Jefferson Street, Suite 350
Milwaukee, WI 53202

Phone: 414.271.0771
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Phoenix, Arizona

Phoenix, Arizona

5029 East Sunrise Drive, Suite 100
Phoenix, AZ 85044

Phone: 602.437.3733
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Plan Distribution

Strand Associates Bid Documents – Quest

Brenham, TX Office Bid Documents – CIVCAST

Plan Holders are requested to provide an e-mail address if they wish to receive addenda and other information electronically. Plan holders are requested to designate… Learn More

Project Gallery

Buildings and Facilities
Green Infrastructure
Municipal / General Civil
Transportation / Aviation
Water Supply

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Buildings and Facilities

As a full-service consulting engineering firm, we offer the convenience of one firm for all your facilities and information technology (IT) needs. This includes complete planning, design, renovation and restoration, construction-related, and administration… Learn More


Our firm has experience with the design of a variety of civic and community structures, including public works, municipal buildings, vehicle storage facilities, utility administration, and park shelters.

Our design team features:

Full-service… Learn More

Civil, Structural, Architectural

We are a comprehensive resource for civil, structural, and architectural services for building and facilities projects.  Our experience includes plan development, design, and bid and construction-related services for both public-and private-sector clients.

Services … Learn More


We provide engineering and architectural plan development and design services for commercial office buildings, retail, and recreational facilities. Our projects include build-outs, modifications of existing facilities, and new building development.

Our… Learn More

Electrical Engineering

Our electrical staff has the expertise to handle today’s complex electrical needs.  We can assist with needs ranging from energy evaluation, system plan development and design, to bid and construction-related assistance, for both private- and public-sector cl… Learn More

Electrical Power

Our team of engineers has the expertise to provide comprehensive solutions to today’s complex electrical needs. Our staff experience includes industrial, commercial, and municipal system designs that strive to exceeds our clients’ expectations.

Our des… Learn More

Emergency Services

We provide engineering and architectural plan development and design services for police, fire, and emergency medical services (EMS) departments and agencies. Our projects include greenfield facilities, existing station renovations, and historic building… Learn More

Food and Beverage Facility Services

Food and beverage facilities require a diverse team of skilled, industry-seasoned professionals experienced in facility, plant utilities, and power systems to support manufacturing needs. We provide solutions to minimize plant disruptions, provide production… Learn More

Information Technology

Information management and security continue to become more important as we expand our digital use and storage of data.  Our team of information technology specialists provide the expertise needed to stay current related to network and security system … Learn More


We provide architectural and engineering services for manufacturing facilities throughout the country. Our design team features all architectural and engineering disciplines in-house to provide a well-coordinated approach for projects. Projects include… Learn More

Mechanical Engineering

Our mechanical, refrigeration, plumbing, and fire protection team has expertise in new designs, modifications, renovations, and upgrades.  Our experienced staff provide solutions that will enhance performance and minimize energy costs.

Our system … Learn More


Refrigeration systems are typically complex cooling systems designed for large industrial or commercial operations.  These systems require an experienced team of professionals to plan, design, and implement additions or modifications. Our team provides … Learn More


We provide plan development, design, and implementation services for Supervisory Control and Data Acquisition (SCADA) systems.

Services included:

Evaluating existing systems for improvement or replacement.
Developing complete system specifications… Learn More

Green Infrastructure Solutions

Our Green Infrastructure Solutions group draws from all of our areas of expertise — wastewater, stormwater, municipal, transportation, water supply, and buildings and facilities — to provide specialized services that meet the continually evolving needs … Learn More

BMP Design

Our Green Infrastructure Solutions group has extensive expertise in all aspects of sustainable stormwater controls and green infrastructure best management practices (BMPs). Areas of expertise include:

Rain gardens.
Porous pavements.
Bioretention… Learn More

CSO/SSO Abatement

Across the country, municipalities are facing incredibly high costs to reduce their combined sewer overflows (CSOs) and sanitary sewer overflows (SSOs). We provide a wide range of services to assist clients with CSO and SSO compliance, such as consent… Learn More

Energy Use

Reducing energy consumption and incorporating energy efficient and renewable energy technologies in existing or proposed facilities is like putting money back in our client’s pockets. We consider and identify practical and measureable green facility d… Learn More

Green Buildings – LEED

Our green infrastructure services include full service design of green buildings and facilities that incorporate state-of-the-art features aimed at creating more sustainable spaces. Our designs have incorporated elements such as geothermal heating and… Learn More

ISI Envision

We serve our clients with excellent engineering by delivering long-lasting, resilient, and sustainable infrastructure that solve their problems and meet their project goals. The same is true in providing excellent engineering for our environment. Protecting… Learn More

MS4 Compliance

As national stormwater regulations continue to impose more stringent water quality requirements, we have assisted our clients with cost-effective permit compliance strategies. Our MS4 compliance services have included permit negotiations, development… Learn More

Stream Restoration

One of our firm’s many specialties is combatting erosion and providing flood relief through naturalized stream restoration design. In many cases, the waterway is experiencing hydromodification issues because of upstream urban development, requiring a… Learn More

Sustainable Planning

We have distinguished ourselves as national leaders in sustainable planning, particularly as it relates to regional master planning efforts targeting issues such as combined sewer overflow reduction, stormwater management, transportation networks, and… Learn More


Sustainable transport systems are becoming increasingly important initiatives in transportation on local, regional, and national levels. Transport systems have significant impacts on the environment, accounting for nearly 25 percent of the world’s energy c… Learn More

Watershed Management

Watershed planning is the foundation for the successful management of any stormwater program, whether small or large. Our expertise in regional watershed planning includes hydrologic and hydraulic modeling of watersheds of various sizes, urban and rural… Learn More

Municipal / General Civil

As municipal engineers, our firm’s involvement with local governments varies with the needs of each community. For many, we serve as the designated city, town, or village engineer providing comprehensive engineering services, including attending public m… Learn More

Financial Assistance

We are able to assist communities with capital improvement planning and in the selection of financing methods. We are familiar with state and federal grant programs and often assist in applications for grants, developing reports, preliminary cost estimates,… Learn More

Geographic Information Systems

Geographic Information Systems (GIS) and computerized mapping focus on two broad arenas. The first, manages facilities and records. It links databases such as tax records, water billing addresses, sewer locations, and other types of infrastructure records… Learn More

Land and Site Development

Our firm has a Land Development Division devoted exclusively to providing services for development projects. Since 1968, we have provided a full-range of services specifically related to land development, zoning assistance, land use planning, landscape… Learn More

Local Streets and Streetscapes

We regularly assist clients with redevelopment and urban renewal of existing downtown corridors and city streetscapes. As a full-service engineering firm, we can address diverse engineering needs and serve clients during all phases of project development,… Learn More

Natural Gas Distribution

Our staff has been providing engineering services for natural gas distribution systems since the early 1980s. We have the expertise and experience to assist communities who operate their own natural gas distribution systems. Many of our clients have their… Learn More

Sanitary Sewer and Pumping

We have a broad background in engineering services for wastewater conveyance systems and pumping stations. Our experience includes projects involving extension and/or reinforcement of existing collection systems, as well as complete planning, design,… Learn More


We understand that comprehensive stormwater management involves analyzing, planning, designing, and implementing. This requires an understanding of the nature and effectiveness of the variety of methods to convey and treat stormwater.

By virtue of… Learn More

Stormwater Utilities

We recognize that no matter how effective a potential stormwater management solution may be, if it cannot be funded, it cannot be built. We have experience with a number of available potential funding sources, including creation of stormwater utilities.

Many… Learn More

Surveying and Land Acquisition

We own state-of-the-art electronic surveying instruments and utilize computer-based coordinate geometry and surveying programs in the execution of our surveying work.

State-of-the-art equipment includes the new generation High Definition survey system… Learn More


We have performed wetland permitting and design services since 1989 and have provided wetland delineation, mitigation, restoration, and construction and stream restoration services since 1993. Much of this work involves delineating and assessing impacted… Learn More

Transportation / Aviation

Our transportation services include planning, designing, and administering construction of local streets and rural highways, major urban arterials, U.S. and state highways, tollways, and the interstate system.  Services on these projects have involved … Learn More


Our Aviation services include plan development, design, and construction management for more than 50 General Aviation (GA) airports. We are experienced in applying FAA and state DOT guidelines in accomplishing GA airport improvements.  Since the 1970s, … Learn More

Airport Planning

Our firm has led and prepared several Airport Development Plan (ADP) reports, wherein we provide airport owners airport management tools and detailed guidance for airport infrastructure development for typical 10-15 year periods. These reports have mirrored… Learn More

Facility Extensions / Expansions

Runway and parallel taxiway extensions, as well as apron expansions, are made primarily based on aircraft demand. Our firm has designed these infrastructure improvements for aircraft ranging from 12,500-pound single wheel to 90,000-pound dual-wheel loadings,… Learn More

Hangars and Fuel Farms

Revenue-producing infrastructure development greatly assists airport owners in providing long-term cash flows. These constant revenues aid airport owners in solidifying local political support for their airports and help fund needed future pavement rehabilitation… Learn More

Lighting Improvements

Typical GA airport lighting includes rotating beacons, lit wind cones, edge/threshold lighting, guide signs, approach lighting, electrical vaults/equipment, security lighting, backup generators, and LED lighting (when appropriate to reduce maintenance… Learn More

Pavement Rehabilitation

Proper airfield pavement rehabilitation is a process that involves budget availability, materials testing, alternatives analysis, detailed specifications, and construction management.  Our firm has designed pavement rehabilitation improvements for more … Learn More

Bike and Pedestrian Facilities

Bike and pedestrian paths are often accommodated as part of our road projects and are increasingly becoming popular as stand-alone projects. These facilities accommodate a mix of users, including bikers, pedestrians, joggers, wheelchairs, baby strollers, … Learn More

Bridges and Structures

We provide plan development, design, and construction services for bridges. After an in-depth inspection, anticipated costs have often justified rehabilitation over replacement. This option saves money and often can extend the life of the structure a… Learn More

Environmental Compliance

We routinely guide clients through the regulatory process, helping them earn project approvals and preventing project delays. Our team of environmental specialists manages the process. Our broad range of environmental compliance services include the following:

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We understand the importance of intelligent transportation systems (ITS) and its diverse applications. ITS systems can provide:

Measurable benefits to travelers.
Help minimizing traveler delay with reliable real-time route information.
Real-time… Learn More

Public Involvement

We build stakeholder relationships with local planners, transportation professionals, city administrators, and the public that are productive, up-front, and at a level appropriate for the scope associated with a project. We present information accurately … Learn More


We routinely complete right-of-way plats for various federal, state, and municipal projects.  Plats are in conformance with the appropriate facilities development manuals and plat guides. Subdivision plats for developers and municipalities are completed … Learn More


Successful roundabout solutions require specialized expertise that is based on both qualitative guidelines and specific standards. As a nationally recognized expert, our engineers understand the importance and interdependence of the sizing, markings,… Learn More

Rural Highways

Our staff help DOTs and counties maintain and enhance their rural highway system. We are fully knowledgeable about federal funding requirements and can help clients with projects ranging from resurfacing to multi-lane freeway/expressway conversion. Our… Learn More


We own state-of-the-art electronic surveying instruments and utilize computer-based coordinate geometry and surveying programs in the execution of our surveying work.

State-of-the-art equipment includes the new generation High Definition survey system… Learn More


We provide engineering design and construction-related services for a wide array of tollway projects. Everything from lane widening and alignment modifications to toll plazas to interchanges and entry and exit ramps. We have designed new superstructures,… Learn More

Traffic Signals

We have provided plan development, design, and construction services for a wide-range of traffic signal projects. Our experience has included hundreds of permanent and temporary traffic signals, and the integration of innovative features, such as Adaptive… Learn More


We have been providing leading edge traffic engineering and transportation planning services for more than 20 years. Our full-service transportation staff has grown to more than 80 professionals and spanning all of our 11 offices. We take pride in the… Learn More

Urban Arterials

Our comprehensive engineering services have helped communities transform their urban arterials to accommodate multi-modal transportation and revitalize their downtown or commercial corridors. Our services in this area include the following:

Alternatives… Learn More

Urban Freeways

We help clients succeed in delivering high quality urban freeways, whether it is through expansion, reconstruction, or rehabilitation. Our services in this arena include the following:

Complex interchange design

Single point urban… Learn More


We have engineered wastewater treatment and biosolids management projects for large and small municipalities and industries as well as sanitary districts, towns, villages, and institutions throughout the United States, with concentration in the states … Learn More

Collection System Modeling

We have extensive experience with dynamic modeling of hydraulically-complex wastewater collection systems. Models we use include XPSWMM, SewerCAD, InfoWorks, Hydra, and simple spreadsheets. The impact of wet-weather events (rainfall and snow melt) upon… Learn More


One of our areas of specialization in the environmental engineering field is conveyance and pumping of wastewater and stormwater, as either combined sewer or separate sanitary and stormwater systems. Our experience includes a wide range of projects, from… Learn More

I/I and SSES

Prior to beginning design of most significant conveyance projects, we complete a comprehensive report or planning study to identify current and future conveyance facility needs. These reports and studies are often preceded by extensive flow monitoring… Learn More


Permitting assistance can significantly reduce compliance costs and keep projects moving forward. As a leader in the wastewater industry, we regularly assist clients with a wide range of permitting issues associated with the construction of wastewater… Learn More

Process Modeling

Wastewater process modeling has become a key tool in the efficient and effective design of modern wastewater treatment facilities, and we have been using computer-generated process modeling for wastewater projects for more than a decade. We have extensive… Learn More

Regulatory Compliance

We offer various compliance services that enable facilities to comply with local, state, and federal regulations, while realizing cost savings through operational changes, and identify practices that have high environmental liability. Typical environmental… Learn More


Wastewater engineering has been a core service provided by our firm since our establishment in 1946. Our success has been attributed to sound application of engineering principles, which leads to well-designed and operated WWTPs and conveyance facilities…. Learn More

Watershed Management

We have specialized in environmental consulting for more than 70 years and are well qualified to complete many types of environmental science and engineering projects related to surface and groundwater quality. We have the capabilities to perform watershed… Learn More

Water Supply

Water supply is a major focus of our environmental services. We provide a complete range of supply, storage, pumping, distribution, treatment, security, and supervisory system control services, from planning phase, through design, and into construction…. Learn More

Corrosion Control

Aging infrastructure, changes in water chemistry, and switching sources are some of the many circumstances that may lead to water distribution system corrosion or scaling. Our qualified staff has assisted numerous Utilities in evaluating the potential… Learn More


Our water main work for clients has ranged from threading replacement mains through existing utility crowded streets to preparing plans for new subdivisions to allow critical development to proceed. Our projects have included everything from extension… Learn More

Hydraulic Modeling

We have unmatched experience in the creation and evaluation of water system models. We have completed models for communities with 400 to more than 200,000 customers and have developed both stand-alone hydraulic models as well as models that work in conjunction … Learn More

Source Supply

Whether groundwater or surface water, our engineers are routinely assisting clients with investigating, testing, and developing new sources of water supply. We have designed more than 100 new water wells, from shallow sand and gravel wells, to intermediate… Learn More

System Master Planning

We are recognized as experts in the analysis and evaluation of water systems through master planning.

We have conducted many master planning efforts for populations ranging from 400 to more than 200,000. Water system master planning establishes a guide… Learn More

Water Storage

Throughout our history, we have completed numerous water storage facilities, including tanks of different shapes, styles, and sizes. Elevated storage has consisted of the modern single-pedestal tank to the more simple standpipes. Tank sizes have ranged… Learn More

Water Treatment

Considered experts in water treatment, our engineers have the experience needed to implement treatment strategies to handle issues ranging from simple nuisance contaminants to complex problems such as VOC’s and challenging surface water sources. Our g… Learn More

Strand Associates, Inc.