Data Services In Alexandria VA At NW Database Services

Data Cleaning, Data Cleansing, Data Scrubbing, Deduplication, Data Transformation, NCOA, Mail PreSorts, Email Verification, Email Append, & Phone Append Services in Alexandria Virginia

Get The Best Database Services In Alexandria Virginia

We provide data services to businesses and organizations in Alexandria VA and all Virginia cities. With over 3 decades of experience in the database business, you won’t find a company that can solve your specific database needs with higher quality service or better prices than Northwest Database Services. No matter what your specific need is, our team will find a data service solution to suit your situation.


More Cities and States Where We Offer Data Cleaning Services

We Are A Full Service Data Services That Can Help You Run Your Business

Northwest Database Services is a full-spectrum data service that has been performing data migration, data scrubbing, data cleaning, and de-duping data services for databases and mailing lists, for over 34 years. NW Database Services provides data services to all businesses, organizations, and agencies in Alexandria VA and surrounding communities.

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What We Do

Database Services

When you need your data to speak to you regarding your business’s trends, buying patterns or just whether or not your customers are still living.

Data Transformation

We provide data transformation services for Extract, Transform and Load (ETL) operations typically used in data migration or restoration projects.

De-duplication Service

Duplication of data plagues every database and mailing list. Duplication is inevitable, constantly keeps growing and erodes the quality of your data.

Direct Mail - Presorts

It’s true the United States Postal Service throws away approximately thirty five percent of all bulk mail every year! Why so much? Think: “Mailing list cleanup.

Email-Phone Append

With access to more than 500 million email addresses, Northwest Database Services uses one of the most comprehensive and unique data sets in the industry.


Over 40 million Americans change their address annually, which makes us do the work to maintain a high-quality mailing list while you focus on your business.

We Are Here To Help!

8 + 2 =


Sandersville, GA 31082


gch [@]
To use email, remove the brackets


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Information About Data Cleaning And Data Services

Methods of Quantitative Data Analysis

There are many ways to gain insights from quantitative data. These are the most effective and common methods to analyze quantitative data.

Regression analysis: This method determines the relationship among variables to find out if they have any correlations. Regression can also help predict future trends and make forecasts.

Monte Carlo simulation: This algorithm uses your data to generate models that can predict outcomes and probabilities. It considers all possible outcomes and determines the likelihood of each one occurring. Data analysts use advanced risk analysis to predict the future.

Analyse of cohorts: A cohort refers to a group who shares certain characteristics or behaviors over a time period. A cohort could include students who started university in 2020 or customers who bought via your app in February. A cohort analysis allows you to group your data and examine how they have changed over time. This is particularly useful in identifying patterns and adapting products or service to them.

Cluster analysis: This exploratory technique is used to find patterns in data. Cluster analysis can be used to group data points into groups that are either internally homogeneous, or externally heterogeneous. Although data points in a cluster may be identical, they might not be the same as others. A preprocessing step, or to determine how data is distributed within a dataset, can be used by clustering.

Analysing time series: This is how to identify patterns and cycles within time. A time series is a collection of data points that measure the same variable over different periods. It is possible to see weekly sales figures or sign ups for email each month. Analysts can predict the future by analyzing trends over time. This is a great way to make business decisions.

Online Access to Open Source Data

Data analysts may also be able to analyze data from other databases. It all depends on what field you are looking for and the type of data. The internet is full of free and open datasets spanning a range of sectors, from government, business and finance, to science, transport, film, and entertainment–pretty much anything you can think of.

What Data Should I Use in My Research?

We can now distinguish between qualitative and quantitative data. What type of research should I choose? It will depend on what type of project you’re working on and who the client is. These guidelines will assist you in getting started.

Quantitative research is used when a hypothesis or theory must be confirmed or validated. If the data can be clearly shown in numbers, it is called quantitative research. A city census shows the total population, incomes, and other pertinent information.

Northwest Database Services has 34+ years experience with all types of data services, including mail presorts, NCOA, and data deduplication. If your database systems are not returning poor data, it is definitely time for you to consult with a data services specialist. We have experience with large and small data sets. Often, data requires extensive manipulation to remove corrupt data and restore the database to proper functionality. Call us at (360)841-8168 for a consultation and get the process of data cleaning started as soon as possible.

NW Database Services
404 Insel Rd
Woodland WA 98674

City of Alexandria VA Information

Alexandria VA

Alexandria, United States of America, is an independent city located in the northern region of Virginia. It is located on the Potomac River’s western bank, approximately 7 miles (11km) south of Washington, D.C. Alexandria is the third largest “principal City” in the Washington metropolitan area. This area is part of the larger Washington–Baltimore combined stat area.


Old Town Alexandria, also known simply as “Old Town”, is the historic center of Alexandria. It is home to many boutiques, restaurants and antique shops, making it a popular destination for both residents and visitors. Many Alexandria neighborhoods, like Old Town are compact and easily accessible by foot. It is the sixth largest independent city in Virginia and has the highest income. Alexandria addresses are available in large parts of Fairfax County that is located to the west and south of the city. This area, however, is under Fairfax County’s jurisdiction and independent from the city. To avoid confusion, the city is sometimes called the “City of Alexandria”. (See the “Neighborhoods” paragraph below). Arlington County, which is adjacent to the city, was previously called “Alexandria County” until it was renamed in 1920 by the Virginia General Assembly to reduce confusion.


This area has hot, humid summers with mild to cool winters. According to the Koppen climate classification, Alexandria has a humid, subtropical climate.


The 2010 census showed that the city had 139,966 residents, 68,082 households, and 30,978 families. The population density was 8,452.0 people per square mile (3.263.3/km2). At an average density 4,233.2/square mile (1,634.4/km2), there were 68,082 housing units.


Alexandria’s own mass transit system, DASH, connects points of interest to local transit hubs. DASH was redesigned in 2021 and no longer charges fare. Alexandria is also served by Metrobus, Washington Metro and the Virginia Railway Express (also known as the VRE). A free trolley-diesel bus service is available on King Street, from the King Street Metro Station to Waterfront. Hornblower Cruises operates The Potomac Water Taxi between Georgetown and The Wharf Development in Washington, DC, and the National Harbor development, Prince George’s County, Maryland.

Top Businesses

Alexandria is home to the Institute for Defense Anases, VSE and The Motley Fool. ThinkFun, Oblon, Mandiant, BoatUS and the Pentagon Federal Credit Union are some of the companies based in Alexandria.


Alexandria VA Map